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Title: The Deaf Perspective: A Content Analysis Study to Determine Deaf and Hard-of-Hearing Individuals' Perceptions and Attitudes Towards Music.
Creator: Watkins Wilver, Corinne Scalia, Darrow, Alice-Ann, Standley, Jayne M., Gooding, Lori F. (Lori Fogus), Florida State University, College Ofmusic, College of Music
Abstract/Description: The purpose of the present study was to determine deaf and hard-of-hearing individuals’ perceptions and attitudes towards music. Content analysis was used to examine online weblogs, vlogs, videos, and articles written by deaf or hard-of-hearing individuals that focused on the topic of music. Results revealed a total of 27 relevant online sources used in the current study. Of those sources, 215 individual comments about music were analyzed for thematic content and placed into one of 18...
Show moreThe purpose of the present study was to determine deaf and hard-of-hearing individuals’ perceptions and attitudes towards music. Content analysis was used to examine online weblogs, vlogs, videos, and articles written by deaf or hard-of-hearing individuals that focused on the topic of music. Results revealed a total of 27 relevant online sources used in the current study. Of those sources, 215 individual comments about music were analyzed for thematic content and placed into one of 18 separate categories. The five categories or themes with the highest percentages of comments were (1) music experienced through visual or vibratory methods, (2) music and Deaf Culture, (3) personal fulfillment through music, (4) the importance of music, and (5) preference for musical instruments. Of the 215 comments, visual or vibratory stimuli were the most cited methods of experiencing music for Deaf or hard-of-hearing individuals. Many comments in the study stated feeling the vibrations produced by music is vital to being able to fully access the sound. Comments from deaf musicians also cited the importance of feeling the vibrations produced by their instruments to be able to discriminate between pitches. Thirty-seven comments in the study contained material focused on personal fulfillment through music listening, and comments on why music is significant for Deaf or hard-of-hearing individuals. Several comments within the study simply stated and validated that deaf and hard-of-hearing individuals enjoy music listening and participate in music making. Specific examples of comments about music made by deaf individuals can be found within the results section of this paper. Limitations to the study as well as implications for music educators and music therapists are also discussed.
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Date Issued: 2017
Identifier: FSU_FALL2017_Watkins_fsu_0071N_14272
Format: Thesis

Title: Estimation of Nitrogen Load from Septic Systems to Surface Waterbodies in Indian River County, FL.
Creator: Lei, Hongzhuan, Ye, Ming, Wang, Xiaoqiang, Shanbhag, Sachin, Florida State University, College of Arts and Sciences, Department of Scientific Computing
Abstract/Description: Excessive nitrogen loading to surface water bodies has resulted in serious environmental, economical, ecological, and human health problems, such as groundwater contamination and eutrophication in surface water. One important source of nitrogen in the environment, especially in densely populated coastal areas in Florida, is due to wastewater treatment using onsite sewage treatment and disposal systems (OSTDS) (a.k.a., septic systems). Moreover, due to the population expansion, nitrogen loads...
Show moreExcessive nitrogen loading to surface water bodies has resulted in serious environmental, economical, ecological, and human health problems, such as groundwater contamination and eutrophication in surface water. One important source of nitrogen in the environment, especially in densely populated coastal areas in Florida, is due to wastewater treatment using onsite sewage treatment and disposal systems (OSTDS) (a.k.a., septic systems). Moreover, due to the population expansion, nitrogen loads from septic systems are expected to increase. Therefore, sustainable decision-making and management of nitrogen pollution due to septic systems are urgently needed. In this thesis, two software are used to simulate the whole process of nitrogen (ammonium and nitrate) transport starting from septic systems to finally reach the surface waterbodies. One software is VZMOD, and the other one is the ArcGIS-based Nitrogen Load Estimation Toolkit (ArcNLET). VZMOD is seamlessly integrated with ArcNLET in the way as follows. VZMOD is firstly used to simulate the flow and nitrogen transport in the vadose zone, which is between drain field infiltrative surface and water table, based on the assumption of steady-state, one-dimensional vertical reactive transport with constant incoming fluxes of water, ammonium, and nitrate. The ammonium and nitrate concentrations, given by VZMOD at the water table, are then used as the inputs to the modeling of ammonium and nitrate fate and transport in groundwater in ArcNLET, considering heterogeneous hydraulic conductivity and porosity as well as spatial variability of septic system locations, surface water bodies, and distances between septic systems and surface water bodies. In addition, the key mechanisms controlling nitrogen transport, including advection, dispersion, and denitrification, are also considered in ArcNLET. The study sites of this thesis research are the Main-South Canal (MSC) drainage basin and the City of Sebastian located in Indian River County in southeast Florida. Surface water bodies (e.g., rivers and streams) and groundwater at the two site discharge to the Southern Indian River Lagoon, where the ecological and biological integrity has deteriorated in the last several decades due to the decline in water quality caused in part by nitrogen pollution. There are in total 12,741 septic systems in the MSC area, while in the City of Sebastian, the number of septic systems is 4,883. The process of simulating nitrogen reactive transport from septic tanks to surface water bodies consists of the following three steps: (1) based on the site-specific data, such as DEM, waterbodies, septic locations, hydraulic conductivity and porosity, forward models of VZMOD and ArcNLET is developed, (2) based on the measured data of system state variables, such as water level and nitrogen concentration, the forward models are calibrated, and (3) the calibrated models are used to simulate nitrogen plumes and to estimate nitrogen load from the septic systems to surface water bodies. Considering the modeling ability and the site complexity, two questions, (1) what are the nitrogen characteristics of these two sites, (2) can my model be able to capture these nitrogen characteristics, have been investigated in this study, and the major findings are as follows: (1) The simulated nitrogen plumes and load estimates exhibit substantial spatial variability in the both sites, and the depth from drainfields to water table is important to nitrogen reactive transport, especially the ammonium nitrification to nitrate. (2) Ammonium and nitrate loads for the Main-South Canal drainage basin are largely located in the south to the South Canal drainage basin. Along the ditches and canals, the ammonium concentration is lower due to the small distance between water table and drainfields. There exists a region located in the southeast drainage basin where ammonium loading is high. (3) Incomplete nitrification process is exposed under the vadose zone while the denitrification process is mostly complete in the saturated zone in the Main-South Canal area. (4) The nitrification process is largely complete under the unsaturated zone while the denitrification process is incomplete in the saturated zone in the City of Sebastian area. (5) Reduction ratio is lower while nitrogen loading to surface waterbodies per septic system is larger in the City of Sebastian area than in the Main-South Canal area. (6) The flow model calibration in the City of Sebastian area is not as satisfactory as in the Main-South Canal area, because of the simplified assumption that water table is a subdued replica of topography used in ArcNLET is not satisfied at the study site. These results can be used to support the on-going Basin Management Action Plan. More efforts, such as investigating the soil condition (e.g. micro-bacteria content, dissolved oxygen or dissolved organic carbon and pH) and specific septic system environment, are also needed to verify these results and to develop more insights about the nitrogen processes in the study areas.
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Date Issued: 2017
Identifier: FSU_FALL2017_Lei_fsu_0071N_14260
Format: Thesis

Title: Evolution of the Material Properties of Mineralized Dental Tissues.
Creator: Kay, David Ian, Erickson, Gregory M., Lenhert, Steven John, Oates, William, Steppan, Scott J., Florida State University, College of Arts and Sciences, Department of Biological...
Show moreKay, David Ian, Erickson, Gregory M., Lenhert, Steven John, Oates, William, Steppan, Scott J., Florida State University, College of Arts and Sciences, Department of Biological Science
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Abstract/Description: During their 473 million-year diversification, gnathostomes came to exploit an unprecedented variety of trophic niches. Modifications to dental form and mineralized tissue constituents (i.e. enamel, dentines and in a few taxa, cementum) facilitated their exploitation of novel prey and/or plant matter. In general, it has been assumed that the intra-tissue level biomechanics of these constituents had little bearing on whole-tooth functionality, aside from enamel in mammals showing dental...
Show moreDuring their 473 million-year diversification, gnathostomes came to exploit an unprecedented variety of trophic niches. Modifications to dental form and mineralized tissue constituents (i.e. enamel, dentines and in a few taxa, cementum) facilitated their exploitation of novel prey and/or plant matter. In general, it has been assumed that the intra-tissue level biomechanics of these constituents had little bearing on whole-tooth functionality, aside from enamel in mammals showing dental occlusion. Specifically, many mammals possess teeth that self-wear to functionality and show a diversity of derived dental tissues (e.g. prismatic enamel fabrics, coronal cementum) – some which have been shown to possess unique biomechanical attributes to resist wear and fracture. Here I formally test the hypothesis that the primitive gnathostome hard tissue material properties remained static prior to the cladogenesis of Mammalia. An ancillary goal is to glean initial insights on how the material properties of these dental tissues in non-mammalian and mammalian taxa may contribute to whole-tooth form, function, performance and diets. Properties were tested and examined using two standardized material science techniques, microindentation and nanoindentation, as well as a novel technique for quantifying fracture propagation from cracks formed during microindentation. The results from this investigation suggest these material properties are highly variable among gnathostome dentitions. Aside from hardness, there is not a significant relationship between most material properties and diet aside from enamel hardness. There are also complex fracture patterns seen in the enamels of mammals and chondrichthyans, showing that gnathostome lineages independently evolved properties to control fracture and damage done to tooth enamel. Overall, this study suggests that in the case of enamel hardness, natural selection operated at the tissue level to bring about shifts in tooth functionality throughout the gnathostome radiation. More material properties (i.e. fracture toughness) need to be investigated to uncover the true functional import of material properties in dental tissues and establish how the tissue complexes contributed to whole tooth function.
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Date Issued: 2017
Identifier: FSU_FALL2017_Kay_fsu_0071N_14152
Format: Thesis

Title: Effects of Consuming Cottage Cheese or Casein Protein Beverage Before Sleep on Morning Appetite and Resting Energy Expenditure in Active, Collegiate-Aged Women.
Creator: Leyh, Samantha, Ormsbee, Michael J., Panton, Lynn B., Williams, Diana L., Florida State University, College of Human Sciences
Abstract/Description: BACKGROUND: There is a window of opportunity for the overnight period where pre-sleep protein intake yields favorable benefits. Previous studies report that dietary protein consumption prior to sleep is fully digested and absorbed by the body, thereby stimulating overnight muscle protein synthesis, and increases resting metabolism the following morning compared to placebo in college-aged men. However, little is known about how pre-sleep feeding effects the female population or how whole foods...
Show moreBACKGROUND: There is a window of opportunity for the overnight period where pre-sleep protein intake yields favorable benefits. Previous studies report that dietary protein consumption prior to sleep is fully digested and absorbed by the body, thereby stimulating overnight muscle protein synthesis, and increases resting metabolism the following morning compared to placebo in college-aged men. However, little is known about how pre-sleep feeding effects the female population or how whole foods influence metabolism the following morning compared to a liquid supplement. PURPOSE: To investigate the extent to which consumption of cottage cheese (CC) effects next-morning resting energy expenditure (REE) and appetite compared to isocaloric casein protein (CP) and a non-energy containing placebo (PL) when consumed before sleep in active, college-aged females. METHODS: In a randomized, partially-blind, crossover design, ten active females (age, 23.1 ± 1.8 yrs; body fat, 22 ± 4.6%) ingested either pre-sleep CC (160 kcals, 30g protein, 10g carbohydrate, 0g fat), CP (160 kcals, 30g protein, 10g carbohydrate, 0g fat) or PL (0 kcals) ~30 min before sleep. To maintain exercise regimen throughout the study, participation in physical activity took place every other day to exclude the 24 hours leading up to an experimental visit. All participants were tested during the follicular phase of their menstrual cycle. Participants slept overnight in the laboratory and upon waking the next morning (0500-0800), measurements of REE and subjective measures of satiety, hunger, and desire to eat were recorded. Statistical analyses were conducted using a one-way ANOVA for metabolic variables and changes in appetite. Significance was accepted at P < 0.05. All values are reported as means ± SD. RESULTS: There were no significant differences in acute and next morning REE as well as no differences in sleep quality, RER and measures of hunger, satiety and desire to eat the following morning across treatments. CONCLUSIONS: In college-aged, active females pre-sleep consumption of 30g of protein (160kcals), from either cottage cheese or casein protein, is not metabolically different than consuming a non-caloric placebo. These results suggest eating at night pre-sleep does not hinder next morning metabolism.
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Date Issued: 2017
Identifier: FSU_FALL2017_Leyh_fsu_0071N_14139
Format: Thesis

Title: Ultrafast Laser Machining of Dielectrics: A Sharp Interface Model.
Creator: Woerner, Peter Christopher, Oates, William, Lin, Shangchao, Guo, Wei, Florida State University, College of Engineering, Department of Mechanical Engineering
Abstract/Description: High temperature pressure sensing is desirable for a broad range of applications related to re-entry of space vehicles and control of combustion processes; however, limited materials can sustain temperatures above 1000C while under time-varying pressure. A sapphire based optical pressure transducer has been proposed for measuring pressure at temperatures approaching 1600C. Manufacturing such sensors has focused on picosecond laser machining. Current research has produced models which can...
Show moreHigh temperature pressure sensing is desirable for a broad range of applications related to re-entry of space vehicles and control of combustion processes; however, limited materials can sustain temperatures above 1000C while under time-varying pressure. A sapphire based optical pressure transducer has been proposed for measuring pressure at temperatures approaching 1600C. Manufacturing such sensors has focused on picosecond laser machining. Current research has produced models which can predict ablation depth for longer (ns) pulses and shorter (fs) pulses but there is an underwhelming amount of research focusing on predicting and understanding the mechanics of picosecond pulses. This is partially because of transitions in the mode of ablation processes associated with photothermal versus photochemical behavior. We put forth a general model for laser ablation using Maxwell's equations and a sharp interface equation and compare different constitutive laws which couple the two equations together. The proposed modeling results are compared to laser machining experimental data on sapphire from the literature to illustrate key material parameter uncertainty and sensitivity to the laser machining process. Bayesian uncertainty quantification is used to help validate the approximations within the constitutive equations.
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Date Issued: 2016
Identifier: FSU_FALL2017_Woerner_fsu_0071N_13473
Format: Thesis

Title: Dissipation of Mesoscale Energy by Vortex-Topography Interaction.
Creator: Bishnu, Siddhartha, Dewar, William K., Chassignet, Eric P., Clarke, Allan J., Kopriva, David A., Florida State University, College of Arts and Sciences, Department of Earth,...
Show moreBishnu, Siddhartha, Dewar, William K., Chassignet, Eric P., Clarke, Allan J., Kopriva, David A., Florida State University, College of Arts and Sciences, Department of Earth, Ocean, and Atmospheric Science
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Abstract/Description: Energy is introduced into the oceans primarily at large scales by means of wind, tides and surface buoyancy forcing. This energy is transferred to the smaller mesoscale eld through the geostrophic instability processes. The mesoscale eld appears not to have accelerated appreciably over the last several decades, so we can assume that the mesoscale loses energy at roughly the same rate it receives energy. Interestingly, how the mesoscale loses energy is not quite clear. We have been exploring...
Show moreEnergy is introduced into the oceans primarily at large scales by means of wind, tides and surface buoyancy forcing. This energy is transferred to the smaller mesoscale eld through the geostrophic instability processes. The mesoscale eld appears not to have accelerated appreciably over the last several decades, so we can assume that the mesoscale loses energy at roughly the same rate it receives energy. Interestingly, how the mesoscale loses energy is not quite clear. We have been exploring topographic interaction as a pathway by which the mesoscale may lose energy to unbalanced forward cascading flows. To demonstrate this phenomenon, an approximate model theory is developed which consists of solving a reduced set of the momentum equations in density coordinates for any topographic conguration. The equations are solved using a high order spectral element technique and the results are similar to already published MITgcm simulations.
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Date Issued: 2017
Identifier: FSU_FALL2017_Bishnu_fsu_0071N_14263
Format: Thesis

Title: Designing Time Efficient Real Time Hardware in the Loop Simulation Using Input Profile Temporal Compression.
Creator: Chatterjee, Sourindu, Faruque, Md Omar, Steurer, Mischa, Li, Hui, Florida State University, College of Engineering, Department of Electrical and Computer Engineering
Abstract/Description: The modern day smart grid technology relies heavily on data acquisition and analysis. A distributed controller governs smart microgrid functions with one or more renewable sources and smart controllable loads. This sort of intelligent, scalable system is the primary drive for the Energy Internet (EI). Hence, in modern-day power systems engineering to analyze, understand and make efficient system design choices that capture robustness and scalability, Hardware in the Loop (HIL) simulations are...
Show moreThe modern day smart grid technology relies heavily on data acquisition and analysis. A distributed controller governs smart microgrid functions with one or more renewable sources and smart controllable loads. This sort of intelligent, scalable system is the primary drive for the Energy Internet (EI). Hence, in modern-day power systems engineering to analyze, understand and make efficient system design choices that capture robustness and scalability, Hardware in the Loop (HIL) simulations are required. Real-Time Simulations (RTS) is the state of the art technology thrusting the capstone of innovation for this industry. As engineers, we can model, simulate and validate smart grids operations more rapidly, robustly and reliably using RTS. With enough smaller time step for the simulation, the boundary between the real and the simulated systems slowly vanishes. It also enables the system to be simulated as Controller Hardware in the Loop (CHIL) or Power Hardware in the Loop (PHIL) setups, evolving and imitating the real physical world. The HIL (Hardware in the Loop) setup also enables a real data source or sink to be in the system to form the loop of exchange between the simulated system and real-world hardware which is most often a control hardware. The implementation of such a setup is made possible at Center for Advanced Power Systems (CAPS), named as Hardware in the Loop Test-Bed (HIL-TB). This evaluation architecture provides a systematic solution to HIL simulations. Now the sampling time for real-world sensors is generally in the order of microseconds, enabling this collected data to emulate the cyber-physical domain accurately. Thus, the challenge previously was to address the throughput of real-world input data into the simulated system efficiently and correctly. The quality of the Design of Simulation (DoS) using the real world data in the form of Real Time Input Profile (RTIP), improves, affects the quality of response of the real-time cyber-physical system simulation. Thus great care needs to be taken to prepare, prune and project the RTIPs to improve and enhance the system performance evaluation index. To solve this problem, partially successful attempts have been made in the direction of machine learning by using methods like clustering and regression to characterize large input profiles or by breaking them into subsections using fixed length sliding window techniques. These classic methods then perform data analysis on those sub-pieces to distinguish among a variety of input profiles and assign an index. These sub-profiles or sections would be then loaded into the simulation as environmental input to represent the physical system in the HIL simulations. This traditional procedure is observed to be arbitrary because clustering algorithms and metrics for methods like regression or classification are user-defined and there exists no standard practice to deal with huge input profiles. There have also been confusions regarding the size of the sliding window to create subsections, subsection joining logic, etc. Thus, to address this issue, the primary focus of this study is to present a systematic, controlled, reliable procedure to explore, screen, crop large input profiles and then to compress the same by selecting sections with most relative importance using a modified version of “knapsack” dynamic programming algorithm. This compression primarily aims to shrink down the total simulation time without much loss of information. The latter part of this study focuses towards response driven performance evaluation of the HIL simulations. This is ensured by targeted compression of original input profile based on the certain requirement of the simulation. This approach ensures that the control algorithm (CHIL simulations) or any other system operator is driven in a specific direction in the simulation response space by effectively sampling the input parameters space. The fully automated HIL-TB evaluation framework aided with Input Profile Time Compression (IPTC) module delivers a fast-convergent validation for the performance evaluation with relatively similar system response. In this study, the IPTC module has been applied to seven load profiles to compress their temporal length by a third. The case study used for the simulation with these RTIPs is the Future Renewable Electric Energy Delivery and Management (FREEDM) IEEE seven node system. The test results show great coherence between the uncompressed and compressed response and validate the performance of the IPTC module applied to real-world HIL simulations. Thus, it can conclude that the functionality of the IPTC module is validated by the quality of simulation response gained out of the compressed simulation as compared to uncompressed simulation. In future, endeavors can be made in this path by expanding the functionality of this compression module to not only identifying and managing important sections based on some initial assumption about the objective of the control application but also providing cognitive, autonomous understanding of the behavior of the controls and using that knowledge accomplishing compression of large input profiles.
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Date Issued: 2017
Identifier: FSU_FALL2017_CHATTERJEE_fsu_0071N_14274
Format: Thesis

Title: Fossil Excavation, Museums, and Wyoming: American Paleontology, 1870-1915.
Creator: Cameron, Marlena Briane, Doel, Ronald Edmund, Ruse, Michael, Buhrman, Kristina Mairi, Varry, Sandra, Florida State University, College of Arts and Sciences, Program in History...
Show moreCameron, Marlena Briane, Doel, Ronald Edmund, Ruse, Michael, Buhrman, Kristina Mairi, Varry, Sandra, Florida State University, College of Arts and Sciences, Program in History and Philosophy of Science
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Abstract/Description: Displays of dinosaurs have become a staple of modern natural history museums, but these did not emerge until the turn of the twentieth century. Through the work of Edward Drinker Cope and Othniel Charles Marsh in this field (despite their intense rivalry), paleontology grew as a discipline and, after losing federal funding, found a new home in museums and universities. Recognizing the potential of large dinosaurs for display and education, major natural history museums such as the American...
Show moreDisplays of dinosaurs have become a staple of modern natural history museums, but these did not emerge until the turn of the twentieth century. Through the work of Edward Drinker Cope and Othniel Charles Marsh in this field (despite their intense rivalry), paleontology grew as a discipline and, after losing federal funding, found a new home in museums and universities. Recognizing the potential of large dinosaurs for display and education, major natural history museums such as the American Museum of Natural History in New York under Henry Osborn began competing for their own specimens. Much work has been done on the efforts of these emerging large museums. Smaller museums such as the University of Wyoming Museum, however, have been much less studied. Through its proximity to immense, rich fossil fields, the university became directly connected to the major events shaping paleontology at the time. Yet differences in the pedagogy and intentions behind its formation—a sense of state pride rather than the concerns of wealthy, elite sponsors—served to set it apart from larger, more well-known institutions.
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Date Issued: 2017
Identifier: FSU_FALL2017_Cameron_fsu_0071N_14117
Format: Thesis

Title: Characterization of a Monoclonal Antibody Specific to Hen Alpha-Livetin.
Creator: Mu, Han, Rao, Qinchun, Sathe, Shridhar K., Yang, Wei, Florida State University, College of Human Sciences, Department of Nutrition, Food, and Exercise Science
Abstract/Description: Egg is one of the major allergens with specific labeling requirements. α-livetin, which also called chicken serum albumin (CSA), is one of the major allergens in egg need to be detected in food matrix. A monoclonal antibody (mA) specific to α-livetin was developed, but the property of this mAb is not clear. The relationship between matrix effect, extractability of α-livetin and their thermostability during in vitro study need to be elaborated. Our research aims (1) to characterize this mAb...
Show moreEgg is one of the major allergens with specific labeling requirements. α-livetin, which also called chicken serum albumin (CSA), is one of the major allergens in egg need to be detected in food matrix. A monoclonal antibody (mA) specific to α-livetin was developed, but the property of this mAb is not clear. The relationship between matrix effect, extractability of α-livetin and their thermostability during in vitro study need to be elaborated. Our research aims (1) to characterize this mAb that is specific for α-livetin; (2) to develop a novel extraction buffer for α-livetin (CSA) in egg yolk and chicken blood; (3) we hypothesis matrix-induced thermal instability of α-livetin (CSA) because of hydrophobic effect (hydrophobic effect) and chemical interaction (thiol-disulfide interchange) interaction. mAb was purified from the supernatant using immunoaffinity. Indirect non-competitive ELISA was performed to study the selectivity of mAb. Two-dimensional gel electrophoresis was performed to further investigate the isoelectric point (pI). SDS PAGE was performed to study the molecular integrity and solubility of the target protein with different pH conditions. BCA assay was performed to study the solubility of the target protein with different heating conditions. Western blot was performed to study the mAb selectivity; to verify the target protein’s molecular weight; to optimized the extractability of the extraction buffer; to investigate antigenicity of the target protein under extraction buffer with different pH conditions; to test the antigenicity of the target protein under different heat treatment conditions. As to the results of this study, the target protein of the mAb is α-livetin (chicken serum albumin) (70 kDa). As for buffer selection, on one hand, detergent increased the solubility of the target protein, on the other hand, based on the property of this mAb reducing reagent was required to cleave the disulfide bond of α- livetin to enhance antigenicity intensity. As for pH effect, α-livetin remained its antigenicity under neutral condition after heat treatment in the novel extraction buffer, and its immunoreactivity did not change significantly (P > 0.05) after heat treatment. Finally, a novel extraction buffer (10mM DTT with 0.1% SDS in PBS under neutral pH) was developed. The target protein was successfully isolated. The target’s antigenicity reaction with the mAb decreased after heat treatment was confirmed.
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Date Issued: 2017
Identifier: FSU_FALL2017_Mu_fsu_0071N_14238
Format: Thesis

Title: Fixed-Point Implementation of Discrete Hirschman Transform.
Creator: Thomas, Rajesh, DeBrunner, Victor E., DeBrunner, Linda S., Harvey, Bruce A., Florida State University, FAMU-FSU College of Engineering, Department of Electrical and Computer...
Show moreThomas, Rajesh, DeBrunner, Victor E., DeBrunner, Linda S., Harvey, Bruce A., Florida State University, FAMU-FSU College of Engineering, Department of Electrical and Computer Engineering
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Abstract/Description: Digital Signal Processing (DSP) performs a very important role in various applications of electrical engineering like communications and signal enhancement. In many situations one finds that the DSP hardware available are fixed point processors. In these situations, it is necessary to perform DSP with high accuracy using the least amount of hardware resources. This thesis looks into an approach to calculate the two dimensional Discrete Hirschman Transform (DHT), the inverse DHT, the Hirschman...
Show moreDigital Signal Processing (DSP) performs a very important role in various applications of electrical engineering like communications and signal enhancement. In many situations one finds that the DSP hardware available are fixed point processors. In these situations, it is necessary to perform DSP with high accuracy using the least amount of hardware resources. This thesis looks into an approach to calculate the two dimensional Discrete Hirschman Transform (DHT), the inverse DHT, the Hirschman Cosine Transform (HCT) and the inverse HCT using fixed-point hardware. The complex coefficients required for the transform are calculated beforehand and saved as vectors. Special attention has been given to minimize errors due to scaling. The processed image and the original image does not show significant difference even for DFT or DCT length of 128. Mean square errors of -37 dB for the DHT and -40 dB for the HCT could be obtained for DFT and DCT lengths of 128.
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Date Issued: 2017
Identifier: FSU_FALL2017_Thomas_fsu_0071N_14271
Format: Thesis

Title: Community in the Academy: Musicianship and Transformation in University Old Time Ensembles and Local Music Scenes.
Creator: Riley, Holly Bugg, Bakan, Michael B., Jackson, Margaret R., Edwards, Leigh H., Florida State University, College of Music
Abstract/Description: This thesis explores values, identities, and practices found within community organizations and academic institutions that are mediated and made manifest in old-time ensembles and their surrounding music communities. The multi-site study includes primary ethnography from the author’s six years of participation and musicianship in the old-time ensembles at the University of North Carolina at Greensboro and Florida State University, as well as the surrounding communities of Greensboro and...
Show moreThis thesis explores values, identities, and practices found within community organizations and academic institutions that are mediated and made manifest in old-time ensembles and their surrounding music communities. The multi-site study includes primary ethnography from the author’s six years of participation and musicianship in the old-time ensembles at the University of North Carolina at Greensboro and Florida State University, as well as the surrounding communities of Greensboro and Tallahassee. The complex workings of these ensembles are contrasted with more established and performance-based programs, both in community folk music settings and in traditional university music schools. These old-time ensembles catalyze issues of individual and group identity, institutionalism and administration, invented and historical tradition, and folk music practice.
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Date Issued: 2017
Identifier: FSU_FALL2017_Riley_fsu_0071N_13922
Format: Thesis

Title: A Comparative Study between a Single Sorption Constant Model and a Humic Ion Binding Model.
Creator: Pham, Serena Otsuka, Ye, Ming, Shanbhag, Sachin, Huang, Chen, Florida State University, College of Arts and Sciences, Department of Scientific Computing
Abstract/Description: Software packages that model geochemical speciation and complexation are useful for predicting how different materials such as heavy metals and organic matter interact with the environment. The East Fork Poplar Creek (EFPC) in Oak Ridge, Tennessee suffers from extensive mercury pollution as a result of post-WWII activities to develop thermonuclear weapons. A current model that predicts the speciation of mercury and methylmercury species treats dissolved organic matter (DOM) as a single entity...
Show moreSoftware packages that model geochemical speciation and complexation are useful for predicting how different materials such as heavy metals and organic matter interact with the environment. The East Fork Poplar Creek (EFPC) in Oak Ridge, Tennessee suffers from extensive mercury pollution as a result of post-WWII activities to develop thermonuclear weapons. A current model that predicts the speciation of mercury and methylmercury species treats dissolved organic matter (DOM) as a single entity instead of a multidimensional and multisite molecule. The Humic-Ion Binding Model VII is a discrete multisite model implemented by default in the WHAM7 software that represents binding behavior between protons, metal cations, and humic substances. Implementing Model VII into the current EFPC model using the PHREEQC speciation program can predict site interactions of organic matter with mercury and methylmercury. Adding surface complexation to the model shows a substantial increase in the amount of methylmercury bound to DOM compared to the original model. Thus, when appropriate, employing a surface complexation model in geochemical simulations should be considered.
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Date Issued: 2017
Identifier: FSU_FALL2017_Pham_fsu_0071N_14265
Format: Thesis

Title: The Mindfulness Meditation Training for Sport and Injury Rehabilitation with High School Athletes: A Pilot Study.
Creator: Cooper, Brandon T., Chow, Graig Michael, Tenenbaum, Gershon, Canto, Angela I., Florida State University, College of Education, Department of Educational Psychology and Learning...
Show moreCooper, Brandon T., Chow, Graig Michael, Tenenbaum, Gershon, Canto, Angela I., Florida State University, College of Education, Department of Educational Psychology and Learning Systems
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Abstract/Description: Injury in sport is a frequent occurrence that often causes athletes to experience stress, frustration, anger, depression, and pain. Mindfulness practice has shown to be efficacious in reducing stress and pain, while improving well-being. Despite this, there is limited research investigating the effects of mindfulness-based interventions with injured athletes. In the current study, the Mindfulness Meditation Training for Sport 2.0 (MMTS 2.0; Baltzell, Caraballo, Chipman, & Hayden, 2014) was...
Show moreInjury in sport is a frequent occurrence that often causes athletes to experience stress, frustration, anger, depression, and pain. Mindfulness practice has shown to be efficacious in reducing stress and pain, while improving well-being. Despite this, there is limited research investigating the effects of mindfulness-based interventions with injured athletes. In the current study, the Mindfulness Meditation Training for Sport 2.0 (MMTS 2.0; Baltzell, Caraballo, Chipman, & Hayden, 2014) was implemented and evaluated with three high school female athletes. Utilizing a nonconcurrent multiple baseline among subjects design, participants completed measures of pain, stress, well-being, self-compassion, and mindfulness throughout the intervention. Two participants improved in mindfulness and self-compassion relative to baseline levels. The same two participants also reported reductions in pain and stress, and improvements in psychological well-being subscales autonomy and self-acceptance. Improvements in mindfulness and self-compassion corresponded with adherence to between-session meditation exercises. The participant with the lowest adherence reported reductions in mindfulness, self-compassion, and well-being, and did not complete post-intervention follow-up assessment. Overall, results were mixed and should be interpreted with caution. Future research should continue to evaluate the impact of mindfulness and self-compassion interventions like the MMTS 2.0 with injured athletes to determine its utility.
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Date Issued: 2017
Identifier: FSU_FALL2017_Cooper_fsu_0071N_14268
Format: Thesis

Title: Geography, Economic Institutions, Political Institutions, and Economic Performance.
Creator: Ferraro, Amanda Catherine, Gwartney, James D., Norrbin, Stefan C., Beaumont, Paul M., Sherron, Katie A., Kitchens, Carl T., Florida State University, College of Social Sciences...
Show moreFerraro, Amanda Catherine, Gwartney, James D., Norrbin, Stefan C., Beaumont, Paul M., Sherron, Katie A., Kitchens, Carl T., Florida State University, College of Social Sciences and Public Policy, Department of Economics
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Abstract/Description: Does geography impact economic growth directly even after considering economic and political institutions? This paper explores which countries are the most geographically disadvantaged and if these disadvantages play a role in their economic growth and per capita income levels. A group of the 30 most geographically disadvantaged countries is determined by summing multiple geography variables to understand the overall disadvantages these countries face. The difference between per capita income...
Show moreDoes geography impact economic growth directly even after considering economic and political institutions? This paper explores which countries are the most geographically disadvantaged and if these disadvantages play a role in their economic growth and per capita income levels. A group of the 30 most geographically disadvantaged countries is determined by summing multiple geography variables to understand the overall disadvantages these countries face. The difference between per capita income levels and growth rates of these countries compared to other developing countries is analyzed to discover the disadvantage these geographic characteristics have. This analysis will explore how important geography is to growth relative to economic and political institutions, and whether the effects of geography change over time.
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Date Issued: 2017
Identifier: FSU_FALL2017_Ferraro_fsu_0071N_14141
Format: Thesis

Title: The Effects of Music Tempo on Physical and Psychological Aspects of Isometric Strength Exercise.
Creator: Feiss, Robyn Sienna, Tenenbaum, Gershon, Chow, Graig Michael, Zhang, Qian, Florida State University, College of Education, Department of Educational Psychology and Learning Systems
Abstract/Description: This study examined the effects of different tempo music selections on effort-related thoughts, rating of perceived exertion (RPE), affect, heart rate, and performance of isometric strength exercises. Participants were assigned to one of three conditions: silent control, fast tempo music first followed by slow tempo music, and slow tempo music first followed by fast tempo music. Participants performed a baseline test of two different isometric strength exercises and then completed the...
Show moreThis study examined the effects of different tempo music selections on effort-related thoughts, rating of perceived exertion (RPE), affect, heart rate, and performance of isometric strength exercises. Participants were assigned to one of three conditions: silent control, fast tempo music first followed by slow tempo music, and slow tempo music first followed by fast tempo music. Participants performed a baseline test of two different isometric strength exercises and then completed the exercises two additional times under the assigned condition. Measures of HR, RPE, and effort-related thoughts (i.e., attention) were taken throughout each exercise and participants reported their levels of arousal and pleasantness at the end of the three trials. Three-way mixed RM ANOVAs were performed for HR, RPE, and attention to determine differences among the three conditions for 30 and 60 seconds and 30, 60, and 90 seconds of each exercise. A RM ANOVA was performed to test for differences in time until volitional exhaustion among conditions and a one-way ANOVA was performed on each measure of affect. No significant differences were found between conditions during any of the trials for any repeated measures; indicating both the presence of music and music tempo failed to influence HR, RPE, and attention. No differences between conditions in time to exhaustion emerged, indicating that contrary to hypotheses neither the addition of music nor the tempo of music effected time until volitional exhaustion. Lastly, no differences between either music condition and the silent control condition was observed, indicating music was unable to influence emotion affect during exercise. Conclusion: The presence of music nor the tempo of music was able to influence physical or psychological aspects of isometric strength exercise as it has been shown to do in aerobic and other strength-type exercises.
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Date Issued: 2017
Identifier: FSU_FALL2017_Feiss_fsu_0071N_14261
Format: Thesis

Title: The Effects of Military Service Experience on Psychiatric Symptoms among U.S. Firefighters.
Creator: Gai, Anna R., Joiner, Thomas, Ganley, Colleen M., Franklin, Joseph, Florida State University, College of Arts and Sciences, Department of Psychology
Abstract/Description: Individuals employed in first responder professions are at risk for the development of psychiatric symptoms. Two of these professions, firefighting and military service, demonstrate a strong overlap of employees. Prior research has demonstrated increased prevalence rates of psychiatric symptoms, including suicide-related behaviors among firefighters. Subpopulations within this occupation provide an opportunity to inform tailored prevention and intervention tactics. One such subpopulation are...
Show moreIndividuals employed in first responder professions are at risk for the development of psychiatric symptoms. Two of these professions, firefighting and military service, demonstrate a strong overlap of employees. Prior research has demonstrated increased prevalence rates of psychiatric symptoms, including suicide-related behaviors among firefighters. Subpopulations within this occupation provide an opportunity to inform tailored prevention and intervention tactics. One such subpopulation are firefighters with military service history (concurrent and prior). The current study looks to investigate psychiatric symptom differences between firefighters with and without military service history. We hypothesized an additive effect of military service, such that firefighters with a history of military service will be at increased risk for various psychiatric symptoms compared to their civilian-only counterparts. In addition, potential theoretically-based explanatory constructs will be used to investigate mechanisms of significant relationships between military service and psychiatric outcomes. Results did not support an additive effect of military service history within the firefighting profession, as firefighters with military service history were not more likely to endorse various psychiatric symptoms. Military service history was found to be significantly related to career NSSI, such that firefighters with a history of military service were 2.52 times more likely to report a career history of NSSI. Emotion dysregulation did not explain this relationship. Further investigation into the type of military service history suggests firefighters who are also reservists in the armed forces are at particular risk for suicide-related behaviors. Compared to civilian-only firefighters, firefighters with a history of active duty service and national guard service also demonstrated increased risk for suicide-related behaviors. The present study’s results indicate the type of military service, rather than military service in general, is particularly relevant for suicide-related behaviors within a firefighter population. Future directions for further investigation into this unique population are discussed.
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Date Issued: 2017
Identifier: FSU_FALL2017_Gai_fsu_0071N_14210
Format: Thesis

Title: Assessing the Clinical Utility of Non-Invasive Brain Stimulation in the Treatment of Anxious Arousal and Sensory Hypersensitivity: A Targeted Transcranial Alternating Current Stimulation Study.
Creator: Clancy, Kevin J., Li, Wen, Sachs-Ericsson, Natalie J., Eckel, Lisa A., Florida State University, College of Arts and Sciences, Department of Psychology
Abstract/Description: The ability of transcranial alternating current stimulation (tACS) to augment underlying rhythmic fluctuations of neuronal activity provides meaningful implications in the treatment of neuropsychiatric disorders characterized by aberrations in neural oscillations. However, in evaluating its clinical utility, evidence is lacking for the efficacy of tACS to induce long-term (> 24 hours) plastic changes that translate to lasting behavioral outcomes. Here, we repeatedly administered alpha...
Show moreThe ability of transcranial alternating current stimulation (tACS) to augment underlying rhythmic fluctuations of neuronal activity provides meaningful implications in the treatment of neuropsychiatric disorders characterized by aberrations in neural oscillations. However, in evaluating its clinical utility, evidence is lacking for the efficacy of tACS to induce long-term (> 24 hours) plastic changes that translate to lasting behavioral outcomes. Here, we repeatedly administered alpha-frequency tACS across 4 consecutive days in 38 healthy adults to evaluate lasting changes in local alpha power and directed connectivity as well as clinically-relevant indices of anxious arousal and affective sensory processing. Replicating previous findings, participants who received active stimulation (vs. a sham control group) demonstrated transient increases in resting occipito-parietal alpha power that lasted 30 minutes post-stimulation, reflecting acute entrainment to the exogenous electrical stimulation. However, these effects were short-term, returning to baseline levels 24 hours after stimulation. Conversely, long-term increases in intrinsic posteriorfrontal alpha-frequency connectivity emerged and persisted across all 4 days, reflecting plastic-changes in directed cortico-cortical networks. These lasting connectivity changes were paralleled by sustained decreases in anxious arousal and increases in perceived pleasantness of auditory stimuli. These findings suggest that while local oscillatory activity may be constrained by a self-sustaining thalamo-cortical loop that restores cortical oscillations to baseline, long-range oscillatory connectivity may strengthen over time through plastic synaptic changes in intrinsic cortico-cortical networks. The lasting augmentation of this inter-areal oscillatory network via tACS provides meaningful implications in an array of affective and cognitive processes that are orchestrated through the integrity of these global networks. This provides novel extensions of tACS applications, shifting neuromodulatory targets from local oscillations to global oscillatory networks to progress the clinical utility of this technology.
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Date Issued: 2017
Identifier: FSU_FALL2017_Clancy_fsu_0071N_14146
Format: Thesis

Title: Application of Thermal Network Model for Designing Superconducting Cable Components.
Creator: Indrakanti, Shiva Charan, Pamidi, Sastry V., Foo, Simon Y., Moss, Pedro L., Florida State University, FAMU-FSU College of Engineering, Department of Electrical and Computer...
Show moreIndrakanti, Shiva Charan, Pamidi, Sastry V., Foo, Simon Y., Moss, Pedro L., Florida State University, FAMU-FSU College of Engineering, Department of Electrical and Computer Engineering
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Abstract/Description: High Temperature Superconductors (HTS) have the advantage of carrying direct current at zero resistance when operated below their critical temperature. At lower temperatures, these superconductors have the capability of carrying higher current densities. HTS power systems have applications in electrical power grids, defense, naval, aircraft, and industrial sectors. HTS devices enable higher efficiency while providing resiliency and reliability to power systems. This study developed models for...
Show moreHigh Temperature Superconductors (HTS) have the advantage of carrying direct current at zero resistance when operated below their critical temperature. At lower temperatures, these superconductors have the capability of carrying higher current densities. HTS power systems have applications in electrical power grids, defense, naval, aircraft, and industrial sectors. HTS devices enable higher efficiency while providing resiliency and reliability to power systems. This study developed models for superconducting cable system with two terminations, HTS cable, and cryo-cooler. The models combined electrical and cryogenic thermal aspects of the superconducting cable system. Several operating scenarios were simulated. Some contingencies such as cryo-cooler failure, circulation system failure were also modeled. A comparison of AC and DC cables was also analyzed in the system. The simulation models help in the analysis of the effects of system failure and to estimate the time required to turn off the system before the cable is affected. The results indicate that most of the heat load into the system is due to the terminations which are the interfaces between the superconducting cable and the room temperature components. In the contingency situations such as cryo-cooler failure, the time required to turn-off the system is several minutes. These results help us protect the cable from catastrophic damage during unexpected situations. Through these models, it is possible to calculate the maximum current that can be run through the system before the cable reaches a potential quench.
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Date Issued: 2017
Identifier: FSU_FALL2017_Indrakanti_fsu_0071N_14273
Format: Thesis

Title: Well-Being Amenities in the Corporate Urban Campus.
Creator: Osborne, Anna Lorraine, Huber, Amy M., Dawkins, Jim (James D.), Ransdell, Marlo E., Florida State University, College of Fine Arts, Department of Interior Design
Abstract/Description: To improve employee well-being, reduce healthcare costs, and meet the desires of a younger workforce, this study used frameworks of holistic wellness to identify which well-being amenities, services, and programs (i.e. those aimed at encouraging healthy behaviors) are valued by urban campus employees and what influential factors encourage their utilization. To enhance employee well-being and reduce healthcare costs many companies have adopted wellness programs which incorporate a myriad of...
Show moreTo improve employee well-being, reduce healthcare costs, and meet the desires of a younger workforce, this study used frameworks of holistic wellness to identify which well-being amenities, services, and programs (i.e. those aimed at encouraging healthy behaviors) are valued by urban campus employees and what influential factors encourage their utilization. To enhance employee well-being and reduce healthcare costs many companies have adopted wellness programs which incorporate a myriad of programs, services, and amenities for the purpose of improving health. Yet, according to the research organization, RAND (2014), participation rates are low (20% to 40%) while reasons for this remain unclear. Literature has identified obesity, lack of physical activity (PA) and stress management as the leading health concerns within the current workplace (Hallal, Andersen, Bull, Guthold & Hanskell, 2012; Makrides, Heath, Farquharson & Veinot, 2007). In order to align potential amenities aimed at improving such health conditions, the author studied amenity types and organized them accordingly based upon the International Facility Management Association’s amenity categorization (2012). By cross-comparing these health concerns to IFMA’s amenity categories, it was determined that Food & Refreshments, Fitness & Recreation, and Work-Life Balance appeared to have the highest potential to improve these health concerns. Thus, these three types of amenities were the focus of this study. At the same time, changing workforce demographics suggest a growing preference towards urban areas that offer access to public amenities, thus leading companies to rethink their office locations in hopes of attracting and retaining talent (Vogelmann, 2016). Yet, despite evidence suggesting the work environment plays an important role in achieving these goals, employers may forfeit desirable amenities when faced with acquiring real estate capable of supporting their staff within desirable, yet costly, urban locations. Consequently, urban campus employees are a demographic of growing importance, as their workplace environment typically offers close proximity to many amenities. As amenities have come to be viewed as a means to satisfy business objectives, understanding their role and effectiveness within the workplace may play an important role in improving employee wellness, and attracting and retaining talent. However, there is little empirical knowledge regarding which amenities employees’ value or which factors may influence their utilization. Therefore, this research study sought to determine the well-being amenities valued by corporate urban campus employees, and what factors play a role in their utilization.
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Date Issued: 2017
Identifier: FSU_SUMMER2017_Osborne_fsu_0071N_14113
Format: Thesis

Title: Using Radar-Derived Parameters to Develop Probabilistic Guidance for Lightning Cessation within Isolated Convection near Cape Canaveral, Florida.
Creator: Patton, Joseph Ray, Fuelberg, Henry E., Hart, Robert E. (Robert Edward), Chagnon, Jeffery M., Florida State University, College of Arts and Sciences, Department of Earth, Ocean,...
Show morePatton, Joseph Ray, Fuelberg, Henry E., Hart, Robert E. (Robert Edward), Chagnon, Jeffery M., Florida State University, College of Arts and Sciences, Department of Earth, Ocean, and Atmospheric Science
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Abstract/Description: Almost daily summer time thunderstorms in central Florida frequently halt outdoor operations, requiring that one wait some prescribed time after an observed lightning flash to safely resume activities. This is an especially important problem for the U.S. Air Force’s 45th Weather Squadron (45WS). Prior research suggests that these wait times might be safely shortened by observing reflectivity values and hydrometeor type with radar to safely predict that lightning has ended for a particular...
Show moreAlmost daily summer time thunderstorms in central Florida frequently halt outdoor operations, requiring that one wait some prescribed time after an observed lightning flash to safely resume activities. This is an especially important problem for the U.S. Air Force’s 45th Weather Squadron (45WS). Prior research suggests that these wait times might be safely shortened by observing reflectivity values and hydrometeor type with radar to safely predict that lightning has ended for a particular isolated thunderstorm. The main goal of this study was to create a usable operational tool that would create probabilistic guidance for the 45WS to use for determining total lightning cessation for isolated storms. The study analyzed dual-polarized radar data from isolated thunderstorms to develop probabilistic lightning cessation guidance for the 45WS. We tracked 184 isolated storms in central Florida at 1 min intervals using radar and lightning detection systems including radar reflectivity and hydrometeor classification at isothermal levels. For each isolated storm we investigated its maximum reflectivity and graupel presence at the 0, -5, -10, -15, and -20°C levels and composite (maximum) reflectivity. A random sample of all the 1 min interval data was used to train a generalized linear model (GLM) to make a probabilistic prediction that cessation had occurred. The GLM revealed that the most statistically significant predictors for lightning cessation were maximum reflectivity at the composite and 0 °C levels along with graupel presence at the -5, -10, -15, and -20°C levels. The GLM was trained with 1000 random samples of minutes to bootstrap the results, with the median values of the final set of predictor coefficients used to calculate probabilities that cessation had occurred at that minute. Forecast verification statistics from another random sample of tracked minutes then were used to analyze the performance of the GLM with different probability thresholds (95.0%, 97.5%, and 99.0%) for determining lightning cessation. Applying this cessation guidance from our GLM as though the storms were occurring in real time revealed that only about 1% of the 184 storms in our data set had observed lightning after the GLM suggested cessation had already occurred, an event which would threaten life and property. Even the median of the most conservative probability threshold (99.0%) improved on the guidance currently being used by the 45WS, while the 95.0% probability guidance had a median wait time of just 9 min after cessation.
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Date Issued: 2017
Identifier: FSU_SUMMER2017_Patton_fsu_0071N_14100
Format: Thesis

Title: Simulation of Li-Ion Coin Cells Using COMSOL Multiphysics.
Creator: Chepyala, Seshuteja, Moss, Pedro L., Weatherspoon, Mark H., Andrei, Petru, Florida State University, FAMU-FSU College of Engineering, Department of Electrical and Computer...
Show moreChepyala, Seshuteja, Moss, Pedro L., Weatherspoon, Mark H., Andrei, Petru, Florida State University, FAMU-FSU College of Engineering, Department of Electrical and Computer Engineering
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Abstract/Description: Lithium batteries have played an important role since early 1980’s to provide us with energy for small portable devices. Due to the increasing demand and limited availability of fossil fuels there is a need to shift to renewable energy. In this thesis, the fabrication procedure for the lithium ion coin cell is extensively analyzed. A brief introduction into the lithium ion battery is discussed, the physics and chemistry of the materials is explained. Emphasis is made on the importance of...
Show moreLithium batteries have played an important role since early 1980’s to provide us with energy for small portable devices. Due to the increasing demand and limited availability of fossil fuels there is a need to shift to renewable energy. In this thesis, the fabrication procedure for the lithium ion coin cell is extensively analyzed. A brief introduction into the lithium ion battery is discussed, the physics and chemistry of the materials is explained. Emphasis is made on the importance of calendaring an electrode. LiFePO4 was mixed with the Super P, PVDF and NMP at appropriate stoichiometric amounts and half coin cells were produced with the reference electrode as lithium foil. The effects of calendaring in terms of discharge capacity, density profile and ac impedance was analyzed. The resulting material sample were analyzed in two parts, Sample A was left as is and Sample B was calendared. The calendared electrode exhibited a lower impedance when observed with the impedance test. The calendared electrode exhibited a higher discharge capacity of about 162 mAh/g at C/10 rate when compared to the uncalendared electrode with a discharge capacity of about 152 mAh/g at C/10. The experimental results were than compared to the simulated model constructed in Comsol Multiphysics. The coin cell model in COMSOL was started with use of the existing model for cylindrical cells. The parameters and equations required for the setup were analyzed and discussed. The comparison of the experimental vs simulated results yielded some preliminary information. However, this work is still in progress, for building further models with different materials for the coin cells.
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Date Issued: 2017
Identifier: FSU_SUMMER2017_Chepyala_fsu_0071N_14110
Format: Thesis

Title: A Study on Semantic Relation Representations in Neural Word Embeddings.
Creator: Chen, Zhiwei, Liu, Xiuwen, He, Zhe (Professor of Information Studies), Zhao, Peixiang, Florida State University, College of Arts and Sciences, Department of Computer Science
Abstract/Description: Neural network based word embeddings have demonstrated outstanding results in a variety of tasks, and become a standard input for Natural Language Processing (NLP) related deep learning methods. Despite these representations are able to capture semantic regularities in languages, some general questions, e.g., "what kinds of semantic relations do the embeddings represent?" and "how could the semantic relations be retrieved from an embedding?" are not clear and very little relevant work has...
Show moreNeural network based word embeddings have demonstrated outstanding results in a variety of tasks, and become a standard input for Natural Language Processing (NLP) related deep learning methods. Despite these representations are able to capture semantic regularities in languages, some general questions, e.g., "what kinds of semantic relations do the embeddings represent?" and "how could the semantic relations be retrieved from an embedding?" are not clear and very little relevant work has been done. In this study, we propose a new approach to exploring the semantic relations represented in neural embeddings based on WordNet and Unified Medical Language System (UMLS). Our study demonstrates that neural embeddings do prefer some semantic relations and that the neural embeddings also represent diverse semantic relations. Our study also finds that the Named Entity Recognition (NER)-based phrase composition outperforms Word2phrase and the word variants do not affect the performance on analogy and semantic relation tasks.
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Date Issued: 2017
Identifier: FSU_SUMMER2017_Chen_fsu_0071N_14103
Format: Thesis

Title: User Generated Branding versus Brand Generated Advertising on Facebook: The Impact of Content Source on Perceptions, Attitudes and Purchase Intention.
Creator: Diwanji, Vaibhav Shwetangbhai, Cortese, Juliann, Chapa, Sindy, McDowell, Stephen D., Florida State University, College of Communication & Information, School of Communication
Abstract/Description: This study examined the influence of User Generated Branding (UGB) on consumers’ attitudes and purchase intentions by comparing it to brand generated advertising on the world’s largest social media website: Facebook (eMarketer, 2016). The research was theoretically grounded by the Theory of Planned Behavior (TPB), which helped in understanding how consumers’ attitudes toward a behavior would form their behavioral intentions. The advent of User Generated Branding on Facebook has radically...
Show moreThis study examined the influence of User Generated Branding (UGB) on consumers’ attitudes and purchase intentions by comparing it to brand generated advertising on the world’s largest social media website: Facebook (eMarketer, 2016). The research was theoretically grounded by the Theory of Planned Behavior (TPB), which helped in understanding how consumers’ attitudes toward a behavior would form their behavioral intentions. The advent of User Generated Branding on Facebook has radically changed the communication patterns between brands and consumers. Facebook, at its core, is a place for interpersonal communications. Therefore, it offers its members with emotional benefits through networking and conversations. But, as it is slowly evolving into a marketing platform (Scale, 2008), users have found many practical commercial implications in terms of information search on the platform before deciding to purchase an item. UGB refers to “the strategic and operative management of brand-related user generated content (UGC) by the brand and its consumers to achieve brand goals (Burmann & Arnhold, 2009, p. 3).” Brand-related user generated content is any type of data, information or media, voluntarily created and contributed by regular people who are consumers of a specific brand, which comes across as useful or entertaining to other consumers (Krumm et al., 2008). On the other hand, brand generated advertising is any form of media-related strategies and tactics, usually paid, deployed by a business in order to establish as well as maintain effective and ongoing communications with its customers (Stuhfaut & Davis, 2010). The current research tried to explore into this collaboration between consumers and brands as well as other consumers on Facebook (Saxena & Khanna, 2013). The present research posited that UGB, as an added consumer interaction touch point about brands on Facebook, could play a more decisive role than brand generated ads in shaping users’ perceptions, attitudes, and purchase intentions. 669 undergraduate students from a major university in Southeastern USA voluntarily participated in this research. In an online survey, the subjects were randomly assigned to one of the two experimental conditions, framed as either a UGB Facebook post or a brand generated ad post. Inattentive and inconsistent responses were eliminated using dummy test questions. So, the final sample size consisted of 539 participants (n = 539). The findings suggested that there was not a statistically significant difference in how these two sources of content impacted users’ attitudes and purchase intentions (p = .05). Both UGB posts and brand generated ads on Facebook were seen to play complementary roles in influencing consumers’ intentions to purchase. This research offered useful insights to marketers and advertisers in finding the right kind of content combination on Facebook that would induce favorable perceptions, attitudes and purchase intention. Practical implications showed that, on Facebook, brands should flexibly adapt their promotional strategies to users’ brand-related interactions. From an academic perspective, the present study was seen to contribute toward filling the prevailing gap in the literature in investigating consumer behavior patterns related to UGB on Facebook, considering the ever increasing popularity of the website (de Vries et al., 2012).
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Date Issued: 2017
Identifier: FSU_SUMMER2017_Diwanji_fsu_0071N_13948
Format: Thesis

Title: Driver Behavior in Mixed Connected-Automated and Conventional Vehicle Traffic at a Freeway Merge.
Creator: Chityala, Sneha, Sobanjo, John Olusegun, Ozguven, Eren Erman, Spainhour, Lisa, Florida State University, College of Engineering, Department of Civil and Environmental Engineering
Abstract/Description: Wireless communication through automated and connected vehicles is an evolving technology. This ameliorates the driving conditions, reduces time spent in traffic and curtails the crash occurrences. One of the most challenging areas, where these interactions can be most useful, are freeway merge ramps. Both the drivers on mainline and the drivers merging would be skeptical about their decisions at this location. The drivers who want to merge to the freeway mainline would seek to find an...
Show moreWireless communication through automated and connected vehicles is an evolving technology. This ameliorates the driving conditions, reduces time spent in traffic and curtails the crash occurrences. One of the most challenging areas, where these interactions can be most useful, are freeway merge ramps. Both the drivers on mainline and the drivers merging would be skeptical about their decisions at this location. The drivers who want to merge to the freeway mainline would seek to find an appropriate gap to enter the mainline of the freeway. While the technology of connected and automated vehicles is being promoted, the reality now is that for the foreseeable future, the traffic would not comprise 100% of such connected and automated vehicles. In other words, there will be a mixed traffic of manually-driven and connected/automated vehicles, with various levels of automation in the latter types of vehicles. Capturing the driver behavior at the merge locations into a freeway with such mixed traffic, will be useful in learning and improving safety on the roadways. The Driving Simulator is a useful device in capturing driver behaviors. In this study scenarios are developed in the Driving Simulator which allows mixed traffic on mainline and also observe the driver behaviors from the ramp onto the merge. Overall there were three variations in the mixed traffic flow for the mainline freeway: 0%, 50% and 75% penetration rates. The freeway traffic was generated for the mixed traffic by first developing a mixed probability distribution which assumes exponential distributions for the inter-arrival times of manually-driven vehicles and a constant headway (uniform distribution) is assumed between connected vehicles. The mixed distribution was then used to randomly generate vehicles through Monte Carlo simulation, with assigned headways in the Driving Simulator for the various connected vehicle penetration rates. The subject driver’s speed along the ramp is monitored, as well as the speeds of those vehicles on the freeway. The gaps between freeway vehicles, which were accepted by the subject driver, were recorded for the various situations and scenarios. There were a total of 41 participants, with 29 young drivers (younger than 65 years) and 12 elderly drivers (65 years and older, amongst which 2 were between 55 and 65 years old). Three scenarios were presented to the drivers. The first driving task was to determine headway gap acceptance for the three penetration rates, based on the perception of the subject drivers (without driving). The second test involved the subjects actually driving on the ramp and implementing a suitable gap to merge on the freeway traffic at each ramp. From the data collected, the critical gaps were estimated based on perception. The gaps accepted while driving were also tabulated analyzed. It was observed that the critical gap for the young drivers in 0%, 50%, 75% penetrations rate are 2.9 sec, 1.8 sec, and 1.7 sec respectively. The critical gaps observed for elderly drivers aged over 65 are 3.5 sec, 2.0 sec, and 1.9 sec respectively. Based on an Analysis of Variance (ANOVA), there is no evidence to prove the equality of means for different groups classified by age, gender and driving experience in both perception and actual driving conditions for 0% and 50% penetration rates. It was observed that the headway gaps accepted by young and drivers, both by perception and driving in 0% penetration rate were 2.39 sec and 2.35 sec respectively. The headway gaps accepted by elderly drivers both by perception and driving in 0% penetration rate were 2.4 sec and 2.72 sec respectively. When the ANOVA was performed between the 0% and 50% penetration rates of driving conditions, it was observed that there is a lot of variation in the mean headway gaps accepted. The values of average headway gaps accepted for young drivers were estimated as 2.36 sec and 1.53 sec respectively, in the 0% and 50% penetration rates. For the elderly drivers the average headway gap values observed were 2.72 sec and 1.55 sec respectively, in the 0% and 50% penetration rates traffic. The results also indicated the subject driver acceleration and deceleration behavior at the merge ramp. The results also showed that when the (aggressive) drivers accelerated to match the velocity of mainline traffic and merged in between connected-automated vehicles with the shortest gap, effects were noticed on the mainline traffic, where the main line traffic had to decelerate rapidly. Overall, it was observed that the subject drivers accepted shorter headway gaps as the penetration rates increases.
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Date Issued: 2017
Identifier: FSU_SUMMER2017_Chityala_fsu_0071N_14121
Format: Thesis

Title: Comparing Samos Document Search Performance between Apache Solr and Neo4j.
Creator: Stallard, Adam Preston, Zhao, Peixiang, Smith, Shawn R., Haiduc, Sonia, Nistor, Adrian, Florida State University, College of Arts and Sciences, Department of Computer Science
Abstract/Description: The Distributed Oceanographic Match-Up Service (DOMS) currently under development is a centralized service that allows researchers to easily match in situ and satellite oceanographic data from distributed sources to facilitate satellite calibration, validation, and retrieval algorithm development. The Shipboard Automated Meteorological and Oceanographic System (SAMOS) initiative provides routine access to high-quality marine meteorological and near-surface oceanographic observations from...
Show moreThe Distributed Oceanographic Match-Up Service (DOMS) currently under development is a centralized service that allows researchers to easily match in situ and satellite oceanographic data from distributed sources to facilitate satellite calibration, validation, and retrieval algorithm development. The Shipboard Automated Meteorological and Oceanographic System (SAMOS) initiative provides routine access to high-quality marine meteorological and near-surface oceanographic observations from research vessels. SAMOS is one of several endpoints connected into the DOMS network, providing in-situ data for the match-up service. DOMS in-situ endpoints currently use Apache Solr as a backend search engine on each node in the distributed network. While Solr is a high-performance solution that facilitates creation and maintenance of indexed data, it is limited in the sense that its schema is fixed. The property graph model escapes this limitation by removing any prohibiting requirements on the data model, and permitting relationships between data objects. This paper documents the development of the SAMOS Neo4j property graph database including new search possibilities that take advantage of the property graph model, performance comparisons with Apache Solr, and a vision for graph databases as a storage tool for oceanographic data. The integration of the SAMOS Neo4j graph into DOMS is also described. Various data models are explored including spatial-temporal records from SAMOS added to a time tree using Graph Aware technology. This extension provides callable Java procedures within the CYPHER query language that generate in-graph structures used in data retrieval. Neo4j excels at performing relationship and path-based queries, which challenge relational-SQL databases because they require memory intensive joins due to the limitation of their design. Consider a user who wants to find records over several years, but only for specific months. If a traditional database only stores timestamps, this type of query could be complex and likely prohibitively slow. Using the time tree model in a graph, one can specify a path from the root to the data which restricts resolutions to certain time frames (e.g., months). This query can be executed without joins, unions, or other compute-intensive operations, putting Neo4j at a computational advantage to the SQL database alternative. That said, while this advantage may be useful, it should not be interpreted as an advantage to Solr in the context of DOMS. Solr makes use of Apache Lucene indexing at its core, while Neo4j provides its own native schema indexes. Ultimately they each provide unique solutions for data retrieval that are geared for specific tasks. In the DOMS setting it would appear that Solr is the most suitable option, as there seems to be very limited use cases where Neo4j does outperform Solr. This is primarily because the use case as a subsetting tool does not require the flexibility and path-based queries that graph database tools offer. Rather, DOMS nodes are using high performance indexing structures to quickly filter large amounts of raw data that are not deeply connected, a feature of large data sets where graph queries would indeed become useful.
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Date Issued: 2017
Identifier: FSU_SUMMER2017_Stallard_fsu_0071N_13933
Format: Thesis

Title: Development of a Simple Microfluidic Device for Characterizing Chemotaxis of Macrophage in Response to Myelin Basic Protein.
Creator: Jia, Xiaolin, Chung, Hoyong, Mohammadigoushki, Hadi, Florida State University, College of Engineering, Department of Chemical and Biomedical Engineering
Abstract/Description: Microfluidic devices are widely used for cell-based analysis. There are always needs to develop simpler, more effective and/or less costly devices than the existing ones for this application. A simple microfluidic device has been fabricated and tested for studying chemotaxis of macrophages in this study. The device was made of polydimethylsiloxane bound to a cell culture dish. It consisted of a millimeter-sized cavum and two arrays of straight channels of 5 um in width and 6um height and...
Show moreMicrofluidic devices are widely used for cell-based analysis. There are always needs to develop simpler, more effective and/or less costly devices than the existing ones for this application. A simple microfluidic device has been fabricated and tested for studying chemotaxis of macrophages in this study. The device was made of polydimethylsiloxane bound to a cell culture dish. It consisted of a millimeter-sized cavum and two arrays of straight channels of 5 um in width and 6um height and about two millimeters in length. The channels connected the cavum, in which a chemoattractant was loaded, with the surrounding environment, in which the macrophages were cultured. The device was first tested with a known chemoattractant - fetal bovine serum and the chemoattractive property of myelin basic protein (MBP) was then studied using the device. The macrophages were found to migrate towards to the MBP-loaded cavum in larger quantity and greater distance than those in the control samples. The results prove the usefulness of the microfluidic device for chemotaxis assay and indicate that MBP is a chemoattractant for the macrophages.
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Date Issued: 2017
Identifier: FSU_SUMMER2017_Jia_fsu_0071N_13978
Format: Thesis

Title: Dependency Collapsing in Instruction-Level Parallel Architectures.
Creator: Brunell, Victor J., Whalley, David B., Tyson, Gary Scott, Yuan, Xin, Florida State University, College of Arts and Sciences, Department of Computer Science
Abstract/Description: Processors that employ instruction fusion can improve performance and energy usage beyond traditional processors by collapsing and simultaneously executing dependent instruction chains on the critical path. This paper describes compiler mechanisms that can facilitate and guide instruction fusion in processors built to execute fused instructions. The compiler support discussed in this paper includes compiler annotations to guide fusion, exploring multiple new fusion configurations, and...
Show moreProcessors that employ instruction fusion can improve performance and energy usage beyond traditional processors by collapsing and simultaneously executing dependent instruction chains on the critical path. This paper describes compiler mechanisms that can facilitate and guide instruction fusion in processors built to execute fused instructions. The compiler support discussed in this paper includes compiler annotations to guide fusion, exploring multiple new fusion configurations, and developing scheduling algorithms that effectively select and order fusible instructions. The benefits of providing compiler support for dependent instruction fusion include statically detecting fusible instruction chains without the need for hardware dynamic detection support and improved performance by increasing available parallelism.
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Date Issued: 2017
Identifier: FSU_SUMMER2017_Brunell_fsu_0071N_14109
Format: Thesis

Title: Estimation of Power Density of Modular Multilevel Converter Employing Set Based Design.
Creator: Toshon, Tanvir Ahmed, Faruque, Md Omar (Professor of Electrical and Computer Engineering), Foo, Simon Y., Bernadin, Shonda Lachelle, Soman, Ruturaj, Florida State University,...
Show moreToshon, Tanvir Ahmed, Faruque, Md Omar (Professor of Electrical and Computer Engineering), Foo, Simon Y., Bernadin, Shonda Lachelle, Soman, Ruturaj, Florida State University, FAMU-FSU College of Engineering, Department of Electrical and Computer Engineering
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Abstract/Description: Medium Voltage DC (MVDC) system is becoming a captivating alternative for designing All Electric Ship (AES) for the US Navy. Modular Multilevel Converter (MMC) is considered as an essential component of MVDC systems for its scalability and efficacy. Designing such a power electronic converter for an electric ship is a challenging task in terms of volume constraints in an electric ship.Preliminary naval ship design used point based spiral design techniques, but the complexity and some...
Show moreMedium Voltage DC (MVDC) system is becoming a captivating alternative for designing All Electric Ship (AES) for the US Navy. Modular Multilevel Converter (MMC) is considered as an essential component of MVDC systems for its scalability and efficacy. Designing such a power electronic converter for an electric ship is a challenging task in terms of volume constraints in an electric ship.Preliminary naval ship design used point based spiral design techniques, but the complexity and some disadvantages of such design techniques don’t necessarily produce the most feasible cost effective design. To overcome the issue, the US Navy is exploring the application of Set Based Design(SBD) for designing naval architecture through Smart Ship System Design (S3D) to aid the early stage ship design.This thesis explores the areas of SBD to have a better understanding and knowledge of the design techniques. This is accomplished by design exercise employing SBD to design an essential component of the MVDC breaker-less architecture which is Modular Multilevel Converter. The effort begins with investigating the scaling factors for MMC and apply them to estimate the power density of the converter through exploration of SBD.The outcome of this work is expected to aid early stage ship design exercises using S3D which will enable a guideline for applying SBD concepts to integrate into ship system design.
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Date Issued: 2017
Identifier: FSU_SUMMER2017_TOSHON_fsu_0071N_14095
Format: Thesis

Title: Evaluation of a Bispectral Fog Detection Technique with a Low Earth Orbiting Satellite for Fog Events in Florida.
Creator: Swearingen, Aaron, Ray, Peter S., Liu, Guosheng (Professor of Earth, Ocean and Atmospheric Science), Misra, Vasubandhu, Florida State University, College of Arts and Sciences,...
Show moreSwearingen, Aaron, Ray, Peter S., Liu, Guosheng (Professor of Earth, Ocean and Atmospheric Science), Misra, Vasubandhu, Florida State University, College of Arts and Sciences, Department of Earth, Ocean, and Atmospheric Science
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Abstract/Description: According to the United States Department of Transportation (US DOT), an average of over 28,000 crashes and almost 500 deaths annually occurred as a result of fog-related vehicular accidents. In Florida, the January 2008 and January 2012 fog-related multi-car accidents claimed the lives of four and eleven people, respectively. A more effective fog warning system could include the use of remote sensing. The ground observation sites used to detect fog statewide are both widely and unevenly...
Show moreAccording to the United States Department of Transportation (US DOT), an average of over 28,000 crashes and almost 500 deaths annually occurred as a result of fog-related vehicular accidents. In Florida, the January 2008 and January 2012 fog-related multi-car accidents claimed the lives of four and eleven people, respectively. A more effective fog warning system could include the use of remote sensing. The ground observation sites used to detect fog statewide are both widely and unevenly dispersed. Many high-traffic areas affected by fog are not monitored by ground equipment, leading to poor forecasting and detection of fog in these areas. A combination of both ground observations and remote sensing may lead to better statewide fog detection and forecasting. A bispectral nighttime fog detection technique is used to determine the presence of fog across the state of Florida. This technique uses brightness temperature differences (BTD) between two infrared (IR) channels. The performance of the technique is validated through the use of six months of observation data from AWOS/ASOS sites across the state. An optimum fog detection threshold is found based on the BTD values. Both the optimum threshold and the skill of the optimum threshold are compared to a previous study which used a geostationary satellite for fog detection. The bispectral technique shows little skill, with a large amount of misses and false detections of fog. The low skill can be attributed to the fact that MODIS makes only one nighttime pass which may not necessarily be when fog has formed. The increased spatial resolution of the MODIS sensor over the previous generation GOES Imager does not make up for the decreased number of nighttime satellite passes in a given day.
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Date Issued: 2017
Identifier: FSU_SUMMER2017_Swearingen_fsu_0071N_14009
Format: Thesis

Title: An Examination of El Niño and La Niña Teleconnections to Sahel and Guinea Coast Rainfall in the Context of the 1968 Rainfall Regime Change.
Creator: Vaughan, Thomas Ashley, Nicholson, Sharon E., Sura, Philip, Liu, Guosheng (Professor of Earth, Ocean and Atmospheric Science), Florida State University, College of Arts and...
Show moreVaughan, Thomas Ashley, Nicholson, Sharon E., Sura, Philip, Liu, Guosheng (Professor of Earth, Ocean and Atmospheric Science), Florida State University, College of Arts and Sciences, Department of Earth, Ocean, and Atmospheric Science
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Abstract/Description: The Sahel and Guinea Coast regions of Africa have long been the subject of studies on interannual and intraseasonal rainfall variability. The unique geography, monsoon circulation regime, and a variety of climatic teleconnections produce large variations in year-to-year rainfall across the region. These large fluctuations in rainfall can have devastating effects on the inhabitants of West Africa, who rely on the rainfall for both agriculture and human consumption. Thus, a better understanding...
Show moreThe Sahel and Guinea Coast regions of Africa have long been the subject of studies on interannual and intraseasonal rainfall variability. The unique geography, monsoon circulation regime, and a variety of climatic teleconnections produce large variations in year-to-year rainfall across the region. These large fluctuations in rainfall can have devastating effects on the inhabitants of West Africa, who rely on the rainfall for both agriculture and human consumption. Thus, a better understanding of the nature of rainfall variability in the area is warranted. The El Niño/Southern Oscillation (ENSO), one of the most studied climate phenomena, is known to have far-reaching impacts on weather across the globe. This study provides one of the most comprehensive and complete analyses of the relationship between ENSO and rainfall across the Sahel and Guinea Coast to date. Several previous studies have found little connection between Sahel rainfall and ENSO phase, while others have suggested that ENSO can result in changes within the monsoon circulation and cause a reduction in Sahel rainfall during El Niño years. By utilizing the largest and longest dataset of rainfall gauge data available, this study provides an analysis of rainfall anomalies experienced during El Niño and La Niña years from 1921-2012 in the context of a major shift in the rainfall regime that occurred around the year 1968. This research finds that before 1968, rainfall during the peak Sahel rainy season in El Niño years was below normal, but above normal in the Guinea Coast. The same is observed after 1968, but the anomalies are of stronger magnitude than before 1968, suggesting an increased ENSO-Sahel rainfall teleconnection after 1968. Similar intensifications of the El Niño signal are observed in other seasons as well. In general, opposite rainfall anomalies were observed during La Niña years when compared to El Niño years. An increase in La Niña influence in more recent years is also detected. An analysis of the consistency of the ENSO signal suggests that the ENSO rainfall response is most consistent in areas of the Sahel during the JAS (-1), OND (-1), JAS, and OND seasons. Evidence also suggests that there was a weakening of the Sahel/Guinea Coast dipole after 1968. Finally, an analysis of upper air circulations shows few differences in zonal winds during El Niño and La Niña years versus non-ENSO years, suggesting the relationship between ENSO and Sahel rainfall may be fairly weak. There are some subtle differences seen, however, when comparing years before 1968 to years afterwards that were consistent with the observed rainfall anomalies in certain seasons. This study concludes that the rainfall response to El Niño and La Niña events in the Sahel and Guinea Coast as a whole is relatively inconsistent, but there was some meaningful connection found between ENSO and rainfall in the Sahel during certain seasons outlined above. This relationship intensified after the 1968 rainfall regime change, consistent with findings from previous studies.
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Date Issued: 2017
Identifier: FSU_SUMMER2017_Vaughan_fsu_0071N_14087
Format: Thesis

Title: Experimental Characterization of Photoresponsive Azobenzene Polymers.
Creator: Chowdhury, Sadiyah Sabah, Oates, William, Lin, Shangchao, Ordóñez, Juan Carlos, Florida State University, College of Engineering, Department of Mechanical Engineering
Abstract/Description: Azobenzene is a photo responsive polymer which undergoes molecular change under exposure to certain wavelengths of light. This molecular shape change can cause an overall macroscopic shape change in an azobenzene polymer network. This promising photostrictive behavior has broad range of applications in flow control, robotics and energy harvesting applications. The conversion of solar energy directly into mechanical work provides unique capabilities in adaptive structures. In this thesis,...
Show moreAzobenzene is a photo responsive polymer which undergoes molecular change under exposure to certain wavelengths of light. This molecular shape change can cause an overall macroscopic shape change in an azobenzene polymer network. This promising photostrictive behavior has broad range of applications in flow control, robotics and energy harvesting applications. The conversion of solar energy directly into mechanical work provides unique capabilities in adaptive structures. In this thesis, stress measurements show that irradiated azo-LCN experience photochemical and thermomechanical stress. Experimental results show that stress response depends highly on the range of pre-stress applied and the threshold pre-stress differs for different polarization directions.
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Date Issued: 2017
Identifier: FSU_SUMMER2017_Chowdhury_fsu_0071N_13891
Format: Thesis

Title: It's like I've Walked Right out of My Dreams: Dream Ballets in the Broadway Musical.
Creator: Perez, Natalia Alexis, Brewer, Charles E. (Charles Everett), Bakan, Michael B., Buchler, Michael Howard, Florida State University, College of Music
Abstract/Description: This thesis analyzes selected dream ballets, examining their appearances and investigating how they were used throughout their existence, offering a new perspective on an often-neglected dramatic device of American music theater. Each chapter analyzes the dream ballet from a different interrelated perspective: (1) as a transformative, liminal stage in the course of plot through which the main character(s) undergo some rite of passage (e.g., a “coming of age” ritual); (2) as a device of...
Show moreThis thesis analyzes selected dream ballets, examining their appearances and investigating how they were used throughout their existence, offering a new perspective on an often-neglected dramatic device of American music theater. Each chapter analyzes the dream ballet from a different interrelated perspective: (1) as a transformative, liminal stage in the course of plot through which the main character(s) undergo some rite of passage (e.g., a “coming of age” ritual); (2) as a device of theatrical artifice rather than an engine of dramatic action; and (3) as a vehicle of political agency. My study analyzes four iconic examples: the dream ballet sequences of Oklahoma! (1943), Carousel (1945), West Side Story (1957), and Billy Elliot the Musical (London, 2005). A relatively unexamined field in academic discourse, the dream ballet has rarely been the focus of scholarly investigation. Many of the secondary sources I use in this paper are either studies of the genre generally or of specific productions or biographies on significant figures of my research. My primary sources are housed in archival manuscript collections at the New York Library for the Performing Arts or the Library of Congress, where I conducted my research the summer of 2016. I integrate such sources with theoretical approaches derived from psychology, cultural anthropology, gender studies, and other fields—Sigmund Freud’s classic formulations in The Interpretation of Dreams (1899), Victor Turner’s anthropological concept of liminality, and Ellen Koskoff’s work on performing gender—to move beyond the specific case studies toward a broader musicological consideration of the dream ballet as a dramatic device. Through this approach, I bring the dream ballet to the fore of musicological thought, revealing new insights into the musical, cultural, and performative dimensions of music theater.
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Date Issued: 2017
Identifier: FSU_SUMMER2017_Perez_fsu_0071N_14097
Format: Thesis

Title: Life History, Diet, and Reproductive Dynamics of the Sheepshead (Archosargus Probatocephalus) in the Northeastern Gulf of Mexico.
Creator: Heil, Austin David, Brooke, Sandra, Chanton, Jeffrey P., Huettel, Markus, Baco-Taylor, Amy R. (Amy Rose), Florida State University, College of Arts and Sciences, Department of...
Show moreHeil, Austin David, Brooke, Sandra, Chanton, Jeffrey P., Huettel, Markus, Baco-Taylor, Amy R. (Amy Rose), Florida State University, College of Arts and Sciences, Department of Earth, Ocean, and Atmospheric Science
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Abstract/Description: Sheepshead (Archosargus probatocephalus) are a popular recreational fisheries species in the Gulf of Mexico. Unfortunately, the highest reported catch of this species occurs primarily during their reproductive period. As a result, fishers have expressed their concerns to management about a potential overharvest. This research attempts to fill in the biological gaps for Sheepshead in order to provide management with information that will ensure future successful management practices. The...
Show moreSheepshead (Archosargus probatocephalus) are a popular recreational fisheries species in the Gulf of Mexico. Unfortunately, the highest reported catch of this species occurs primarily during their reproductive period. As a result, fishers have expressed their concerns to management about a potential overharvest. This research attempts to fill in the biological gaps for Sheepshead in order to provide management with information that will ensure future successful management practices. The specific goals of this research are to: (1) examine the life history of Sheepshead in the northeastern Gulf of Mexico (NE GOM), (2) understand the prey composition and feeding habits during their reproductive period, (3) determine the distribution of spawning adults, and (4) assess the spatial and temporal changes in abundance and population demographics on offshore sites. Sheepshead were captured from three unique habitats (nearshore estuaries, Sikes Cut, and offshore reefs) from January 2016- April 2017 in the NE GOM. Sheepshead were sampled exclusively during their reproductive period, which is from January through May, using a variety of different fishing methods. Otoliths were removed, sectioned and aged for 224 individuals. Von Bertalanffy growth equations were fit to the length-at-age data from this region. Growth was found to be variable across their geographic range. Maximum asymptotic length (441mm) and growth rate (0.24) were consistent with previous studies in Florida. Average age of Sheepshead was much higher than in other regions of Florida, potentially due to habitat degradation and development in the regions like Tampa Bay compared to the lack of development along the NE GOM’s “Forgotten Coast”. Stomach and intestinal contents were removed, identified to the highest taxonomic level, and the volumes were enumerated to assess for fullness. Contents and stomach fullness were compared across habitats. Multidimensional scaling plots with presence absence transformation of Sheepshead stomach content data were created using a Bray–Curtis similarity matrix. A one-way ANOSIM showed no significant (p=0.79) difference in Sheepshead diet by habitat type. This suggested feeding habits overlapped across habitat type. This could be a result of (1) similar prey items across habitats, (2) movement between habitats, or (3) different digestion rates of hard-bodied organisms. Sheepshead exhibited proportionally more empty stomachs and lower fullness scores offshore. Feeding was less frequent on offshore reefs, which could be due to less prey, energy reserves from past feeding events, or more focus on spawning. Gonads were removed, weighed, and either macroscopically staged (males), or histologically staged (females). Gonadosomatic indices, spawning activity, and histological stage were compared across three habitat sites. A higher proportion of active and imminent spawning individuals were found on offshore reefs and at Sikes Cut. Nearshore habitats exhibited a low proportion of spawning activity. This suggested nearshore habitats were not preferred spawning habitats, possibly due to lower salinities which cause declines in fertilization success. Abundance was assessed monthly using submersible rotating video devices on the three offshore sites only. Abundance was found to significantly (p < 0.001) increased during Sheepshead spawning season. Abundance was also significantly different (p < 0.001) across reef site. This suggested formation of spawning aggregations that differed across a spatial scale. Population demographics were measured by using laser photogrammetry during early, middle, and late spawning season on the three offshore sites. Sheepshead demographics were found to change across spatial and temporal scales. Average size was significantly less (p = 0.01) on Two Dog Reefballs, suggesting spawning populations are different across a local region. Sheepshead were significantly larger (p = 0.04) during the middle of their spawning season. This could be an evolutionary adaption to maximize fertilization success during peak spawning season. Sheepshead stocks have remained stable over the past few decades in the SE US. However, with increased fishing pressure during their reproductive period, both fishers and management recognize the potential for future declines. Results and findings from this study will be used when making future regulation decisions for Sheepshead.
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Date Issued: 2017
Identifier: FSU_SUMMER2017_Heil_fsu_0071N_14125
Format: Thesis

Title: The Influence of Cloud Microphysical Schemes on Simulated Convection over the Cape Canaveral Region in South Easterly Flow.
Creator: Dawson, Matthew G., Chagnon, Jeffery M., Hart, Robert E. (Robert Edward), Fuelberg, Henry E., Florida State University, College of Arts and Sciences, Department of Earth, Ocean,...
Show moreDawson, Matthew G., Chagnon, Jeffery M., Hart, Robert E. (Robert Edward), Fuelberg, Henry E., Florida State University, College of Arts and Sciences, Department of Earth, Ocean, and Atmospheric Science
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Abstract/Description: Simulations are conducted using the Weather Research and Forecasting (WRF) model in a nested domain having horizontal grid lengths of 12 km, 4 km, and 1.33km, in order to establish the dynamic and thermodynamic controls that three popular cloud Micro Physics (MP) schemes exert over the sea-breeze-forced convection commonly seen over the Cape Canaveral region. Experiments focus on a period from 12-20 Aug 2016 in a regime dominated by high pressure and southeasterly flow; simulations were...
Show moreSimulations are conducted using the Weather Research and Forecasting (WRF) model in a nested domain having horizontal grid lengths of 12 km, 4 km, and 1.33km, in order to establish the dynamic and thermodynamic controls that three popular cloud Micro Physics (MP) schemes exert over the sea-breeze-forced convection commonly seen over the Cape Canaveral region. Experiments focus on a period from 12-20 Aug 2016 in a regime dominated by high pressure and southeasterly flow; simulations were initialized at 06Z on each day during the week and run for a period of 24 hours. One double-moment and two single-moment MP schemes were employed in the simulations for comparison. Results demonstrate that the MP scheme can have a substantial influence on regional convective simulations - large enough to shift the trigger and location of convection. Large differences in domain averaged bulk hydrometeor quantities are found, particularly in the vertical profile of the rain bulk mixing ratio. Simulations employing the double moment scheme systematically underestimate the total precipitation throughout each day but also systematically produced stronger cold pools. Plots of vertical cloud water and potential temperature indicate a greater concentration of cloud droplets at an elevation of 2-4 km and a much larger latent heating when the double moment scheme was used. Modulation of the latent heat release within the double moment scheme is hypothesized to occur from the Drop Size Distribution (DSD), and the prescribed Cloud Condensation Nuclei CCN parameter used to calculate this distribution.
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Date Issued: 2017
Identifier: FSU_SUMMER2017_Dawson_fsu_0071N_13916
Format: Thesis

Title: Manipulation of Potential Energy Surfaces of Binuclear Platinum Complexes and Their Application as Viscosity Sensor.
Creator: Zhou, Chenkun, Ma, Biwu, Hallinan, Daniel T., Ramakrishnan, Subramanian, Florida State University, College of Engineering, Department of Chemical and Biomedical Engineering
Abstract/Description: Photoinduced structural change (PSC) is a fundamental excited-state dynamic process in chemical and biological systems, e.g. photoinduced flattening distortion of Cu(II) complexes1, PSCs of binuclear Pt (II) complexes2, 3. This process is highly dependent on the configuration of molecular excited-state potential energy surfaces (PESs). However, due to the lack of guidelines and approaches for designing excited-state PESs, precise manipulation of PSC processes is still very challenging. In...
Show morePhotoinduced structural change (PSC) is a fundamental excited-state dynamic process in chemical and biological systems, e.g. photoinduced flattening distortion of Cu(II) complexes1, PSCs of binuclear Pt (II) complexes2, 3. This process is highly dependent on the configuration of molecular excited-state potential energy surfaces (PESs). However, due to the lack of guidelines and approaches for designing excited-state PESs, precise manipulation of PSC processes is still very challenging. In this project, a series of rationally designed butterfly-like phosphorescent binuclear platinum complexes were synthesized with well-controlled PESs and tunable dual emissions at room temperature. We demonstrated our capability to manipulate PESs in two ways. First, we introduce the steric bulkiness effect of both cyclometalated ligands and pyrazolate bridging ligands to control the transition energy barrier of PSC process. Based on the Bell-Evans-Polanyi principle, which describe a chemical reaction between two energy minima on the first triplet excited-state PES, we reveal a simple method to engineer the dual emission of molecular systems by manipulating PES and therefore PSC to achieve desired molecular properties. Second, we synthetically control the electronic structure of the cyclometallating ligand and the steric bulkiness of the pyrazolate bridging ligand at the same time to realize the precise manipulation of the PESs. Color tuning of dual emission from blue/red, to green/red and red/deep red have been achieved for these phosphorescent molecular butterflies, which have two well-controlled energy minima on the PESs. The environmentally dependent photoluminescence of these molecular butterflies enabled their application as self-referenced luminescent viscosity sensor.
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Date Issued: 2017
Identifier: FSU_SUMMER2017_Zhou_fsu_0071N_13904
Format: Thesis

Title: Leg Specialization Control: Deriving Control from the Perspective of Limb Function.
Creator: Carbiener, Charles P., Clark, Jonathan E., Ordonez, Camilo, Xu, Chengying, Collins, Emmanuel G., Florida State University, College of Engineering, Department of Mechanical...
Show moreCarbiener, Charles P., Clark, Jonathan E., Ordonez, Camilo, Xu, Chengying, Collins, Emmanuel G., Florida State University, College of Engineering, Department of Mechanical Engineering
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Abstract/Description: Many leg controllers and gaits have been designed directly with lower level parameters. This approach can lead to very high performance gaits, but can also lead to platforms highly tuned for one particular application with drastically reduced performance elsewhere. Through the Leg Specialization (LSC) gait strategy presented here, an alternative approach is demonstrated. Designing controllers from the perspective of limb function allows for adaptation to various environments, and here has...
Show moreMany leg controllers and gaits have been designed directly with lower level parameters. This approach can lead to very high performance gaits, but can also lead to platforms highly tuned for one particular application with drastically reduced performance elsewhere. Through the Leg Specialization (LSC) gait strategy presented here, an alternative approach is demonstrated. Designing controllers from the perspective of limb function allows for adaptation to various environments, and here has produced a high performing gait capable of running on a variety of surfaces.
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Date Issued: 2017
Identifier: FSU_SUMMER2017_Carbiener_fsu_0071N_13986
Format: Thesis

Title: Predicting Autism Spectrum Disorder from Combinations of Early Social Communication Skills Utilizing Decision-Learning Trees.
Creator: Day, Taylor, Wetherby, Amy M., Schatschneider, Christopher, Kofler, Michael J., Florida State University, College of Arts and Sciences, Department of Psychology
Abstract/Description: Objective: There is substantial variability in early diagnostic features of autism spectrum disorder (ASD), suggesting heterogeneity in clinical presentation. The present study aims to identify distinct profiles of social communication skills that predict ASD. Method: The Communication and Symbolic Behavior Scales (CSBS) Behavior Sample was completed on 981 children at 16-24 months. All children also received a follow-up evaluation at 2-5 years. Two types of decision-learning trees, random...
Show moreObjective: There is substantial variability in early diagnostic features of autism spectrum disorder (ASD), suggesting heterogeneity in clinical presentation. The present study aims to identify distinct profiles of social communication skills that predict ASD. Method: The Communication and Symbolic Behavior Scales (CSBS) Behavior Sample was completed on 981 children at 16-24 months. All children also received a follow-up evaluation at 2-5 years. Two types of decision-learning trees, random forests (RF) and conditional classification and regression tree (CART), were used to analyze CSBS unweighted raw scores to predict diagnostic outcomes of ASD, developmental delay (DD), and typical development (TD). Results: RF results identified gaze shifts and gaze/point follow as the strongest predictors in differentiating diagnostic status. Six additional robust predictors were selected for inclusion in the conditional CART model. Nine profiles emerged and demonstrated an overall classification accuracy of 82.2%. The profile that predicted the largest proportion of children with ASD included low scores on the following CSBS items: gaze shifts, acts for joint attention, understanding, and distal gestures. Another subgroup of children with ASD demonstrated a typical number of gaze shifts, but deficits in gaze/point follow and initiation of joint attention. A third profile, highly predictive of TD, included developmentally appropriate scores on gaze shifts, gaze/point follow, rate of communication, and understanding. T-tests were conducted on children with ASD to examine characteristics of children accurately and inaccurately classified by the conditional CART model. Compared to children correctly classified, misclassified children demonstrated better social communication skills between 16-24 months, and higher verbal and nonverbal developmental levels, fewer restricted/repetitive behaviors, and comparable social communication autism symptoms between 2-5 years. Conclusion: Children diagnosed with ASD demonstrated nine different combinations of social communication skills between 16-24 months of age, suggesting heterogeneous behavioral presentations in the second year of life. Clinical implications and future research directions are discussed.
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Date Issued: 2017
Identifier: FSU_SUMMER2017_Day_fsu_0071N_14119
Format: Thesis

Title: Optimization of Alternative Wind Turbine Towers in Low Wind Resource Regions.
Creator: Al-Kaimakchi, Anwer, Jung, Sungmoon, Rambo-Roddenberry, Michelle Deanna, Spainhour, Lisa, Florida State University, FAMU-FSU College of Engineering, Department of Civil and...
Show moreAl-Kaimakchi, Anwer, Jung, Sungmoon, Rambo-Roddenberry, Michelle Deanna, Spainhour, Lisa, Florida State University, FAMU-FSU College of Engineering, Department of Civil and Environmental Engineering
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Abstract/Description: Taller wind turbines with big wheel area have been proposed for low wind speed sites, where conventional 80m tower cannot produce enough electricity. Hub height of 140m gives the potential to all 50 states to produce power from wind. However, it is not clear which tower (steel, concrete or hybrid) is economically attractive beyond 80m, or which design parameter is most critical in enabling tall yet economic tower. The aim of this paper is to come up with optimum designs for steel, concrete...
Show moreTaller wind turbines with big wheel area have been proposed for low wind speed sites, where conventional 80m tower cannot produce enough electricity. Hub height of 140m gives the potential to all 50 states to produce power from wind. However, it is not clear which tower (steel, concrete or hybrid) is economically attractive beyond 80m, or which design parameter is most critical in enabling tall yet economic tower. The aim of this paper is to come up with optimum designs for steel, concrete and hybrid towers while minimizing wind turbine cost and maximizing power production and then study the influence of changing one design variable on optimum designs. Also, it was of interest to study the effect of defining rotor dimeter of turbine as an independent design variable or as function of height. Multiple optimal solutions were obtained, which are called Pareto-optimal solutions. The design variables were chosen to be diameter, thickness, height of tower and blade radius. Design constraints were buckling, yielding, shear stresses for steel tower and ultimate and service limit states for the concrete tower. Those constraints have been used to control the stability of the tower. Different linear constraints have been applied for each tower, e.g. radius of the rotor should be less than the height of the tower. The design problem is conceptual design so detailed design is beyond scope of this research, such as the flange for the steel tower, connection between the concrete parts, and connection between the steel and concrete for the hybrid tower. Nonetheless, the cost of these parts was added to the design problem. Due to the highly constrained, non-convex and non-linear nature of the design problem, Genetic algorithm has been chosen as a solver for the problem. The towers were analyzed for operational and nonoperational aerodynamic conditions according to IEC 61400-1. A comparison of steel, concrete and hybrid towers was analyzed for heights ranging (80m-150m). Results showed that up to 95m, the cost difference was negligible between all towers options. Beyond 95m hybrid towers were dominating the solutions. For 150m hub height, concrete tower saved 12% when it is compared to its steel counterpart. Concrete base diameter decreases to less than 10m, industry preferred, when average concrete wall thickness was equal or greater than 0.4m or compressive strength of concrete increases. Increasing compressive strength of concrete by 10% also resulted in cost reduction of 2.18% for 150m hub height. Results showed that defining rotor diameter as a design variable was better than defining it as a function of height because the optimization problem had fewer constraints.
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Date Issued: 2017
Identifier: FSU_SUMMER2017_ALKAIMAKCHI_fsu_0071N_13989
Format: Thesis

Title: Open-Source Low-Cost Internet of Things Platform for Buildings.
Creator: Liu, Xiaorui, Arghandeh, Reza, Foo, Simon Y., Li, Hui, Florida State University, College of Engineering, Department of Electrical and Computer Engineering
Abstract/Description: Internet of Things (IOT) systems are becoming a popular concept of every smart system. Many people intend to develop various IOT systems which could be smart socket can be controlled remotely and tracking the electricity consumption to save energy or a security system for home which combines several sensors and cover a big area. The goal of this thesis was to introduce a method to construct an IOT system that can monitor different parameters. The design of this project also focused on...
Show moreInternet of Things (IOT) systems are becoming a popular concept of every smart system. Many people intend to develop various IOT systems which could be smart socket can be controlled remotely and tracking the electricity consumption to save energy or a security system for home which combines several sensors and cover a big area. The goal of this thesis was to introduce a method to construct an IOT system that can monitor different parameters. The design of this project also focused on wireless interaction in order to make the system more perceptual. The design of the system was modified several times which include a changing from using Ethernet to Wi-Fi. Ultimately, it provides an effective method for monitoring a building system which could be the temperature, humidity, photo intensity, or the movement of objects, etc. The final design fulfills the fundamental goals and there is a visualization web page for the IOT system which both includes a real time data monitoring and a real time charting. This thesis will give a thorough overview of how to build an own IOT system.
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Date Issued: 2017
Identifier: FSU_SUMMER2017_Liu_fsu_0071N_14126
Format: Thesis

Title: Hotel Guest Engagement: Retaining the Millennial Traveler.
Creator: Lindner, Jennifer, Dawkins, Jim (James D.), Ransdell, Marlo E., Fishburne, Kenan A., Florida State University, College of Fine Arts, Department of Interior Design
Abstract/Description: Established over 220 years ago, the first American hotels helped facilitate a quickly growing body of travelers with the essential amenities of shelter, food, drink, and other services and goods usually obtained within the household (Sandoval-Strausz, 2007). Fast-forwarding to the current year, hotels are still using these early guiding amenities, but over time, have adapted them to meet the values and needs of each passing generation. The Millennial generation, those born between the years...
Show moreEstablished over 220 years ago, the first American hotels helped facilitate a quickly growing body of travelers with the essential amenities of shelter, food, drink, and other services and goods usually obtained within the household (Sandoval-Strausz, 2007). Fast-forwarding to the current year, hotels are still using these early guiding amenities, but over time, have adapted them to meet the values and needs of each passing generation. The Millennial generation, those born between the years of 1981-1996 (Gallup, 2014), demonstrate a shift in mindfulness of how they choose to live their lives that is different from previous generations (Gensler, 2016b). Their traveling habits are beginning to blend two common traveling styles together to form “bleisure” travel (Worker, S., n.d., ¶ 3). Bleisure travel is what occurs when business trips extend into weekend leisure vacations (Worker, S., n.d.). The hotel industry is in a position to adapt to this new traveling style. Hotel’s seek to retain customers as fully engaged brand followers, as they are the company’s most profitable consumer in both good and bad economic times, with high levels of emotional attachment (Sorenson and Adkins, 2014). Unfortunately, Millennials exhibit the lowest percentage of hotel engagement levels when compared to other traveling generations (Gallup, 2014). The goal of this study seeks to identify the values and needs of the Millennial generation in order to increase their engagement levels via bleisure style hotel brands. To identify the values and needs of Millennials, this study surveyed Millennial travelers staying at hotel accommodations for business, leisure, and bleisure type travel. From the survey, the author has synthesized the data results into two guest personas which illustrate the top attributes of a Millennial who is traveling for bleisure. These findings have informed the programming, site selection, and proposed design solution for a bleisure style hotel that addresses a potential solution for increasing engagement levels of the traveling Millennial.
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Date Issued: 2017
Identifier: FSU_SUMMER2017_Lindner_fsu_0071N_14108
Format: Thesis

Title: Reproductive Dynamics of Gulf Black Sea Bass in the Northeastern Gulf of Mexico.
Creator: Mckenzie, Ryan Wilson, Coleman, Felicia C., DuVal, Emily H., Travis, Joseph, Florida State University, College of Arts and Sciences, Department of Biological Science
Abstract/Description: Our knowledge of the reproductive dynamics of many economically important marine fish species is remarkably poor. This limits our ability to assess and manage the effects of exploitation on their reproductive potential. The Gulf Black Sea Bass Centropristis striata melana is a temperate serranid that contributes to both recreational and commercial fisheries in the state of Florida, however, the reproductive dynamics of this species is not well understood. To fill this gap, I conducted a...
Show moreOur knowledge of the reproductive dynamics of many economically important marine fish species is remarkably poor. This limits our ability to assess and manage the effects of exploitation on their reproductive potential. The Gulf Black Sea Bass Centropristis striata melana is a temperate serranid that contributes to both recreational and commercial fisheries in the state of Florida, however, the reproductive dynamics of this species is not well understood. To fill this gap, I conducted a fisheries-independent survey to explore the spatial and demographic scales of spawning populations in the northeastern Gulf of Mexico. To ensure effective and non-biased sampling, I assessed gear type and fish behavior sampling biases for the Gulf Black Sea Bass. Baited fish traps and hook-and-line were equally selective for fish size, however, hook-and-line had a higher catch efficiency. Body size was strongly correlated to social dominance in the Gulf Black Sea Bass, however, larger individuals in the population were not more susceptible to hook-and-line gears. These results indicated that hook-and-line was the optimal sampling method with relatively high efficiency and low sampling bias. Using hook-an-line fishery-independent surveys, I assessed the spatial and temporal dynamics of the Gulf Black Sea Bass spawning populations to test whether spawning populations were consistent across spawning habitats and describe demographic trends in spawning. Spawning populations were not consistent across available spawning habitat and displayed a high degree of spatial variability over scales of no more than 10 kilometers. These patterns were likely influenced by juvenile recruitment rates. Demography was a clear factor in the timing of reproduction as the proportion and average size of females and males significantly changed over the course of the spawning season. Larger females began spawning earlier in the spawning season and larger males were present on spawning habitats for longer periods. Overall, the findings of this study highlighted the important roles of spatial and demographic variation in the reproduction of the Gulf Black Sea Bass, and warrant future investigation due to their implications into the conservation and management of this economically important fishery.
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Date Issued: 2017
Identifier: FSU_SUMMER2017_Mckenzie_fsu_0071N_14086
Format: Thesis

Title: Radio Rhetor: The Rhetorical Practices of Mary Margaret McBride.
Creator: Rea, Elizabeth Ashley, Fleckenstein, Kristie S., Yancey, Kathleen Blake, Graban, Tarez Samra, Florida State University, College of Arts and Sciences, Department of English
Abstract/Description: This project presents an analysis of the rhetorical practices of famed radio host Mary Margaret McBride as examined through a selection of her recorded radio broadcasts and written works. Following the tradition of feminist rhetorical histories, this work seeks to expand the canon of rhetors studied to include an overlooked but significant female rhetor and the understudied medium of radio. In this thesis, I pose the questions: 1) What rhetorical practices characterize Mary Margaret McBride’s...
Show moreThis project presents an analysis of the rhetorical practices of famed radio host Mary Margaret McBride as examined through a selection of her recorded radio broadcasts and written works. Following the tradition of feminist rhetorical histories, this work seeks to expand the canon of rhetors studied to include an overlooked but significant female rhetor and the understudied medium of radio. In this thesis, I pose the questions: 1) What rhetorical practices characterize Mary Margaret McBride’s performances of sonic rhetoric? 2) How do these practices and her medium of radio intersect? 3) How did McBride’s practices align with or diverge from her gendered identities, especially in regards to private and public boundaries? Through this project, I characterize McBride’s rhetorical practices as: (1) a conversational style and direct address; (2) indirect questions with digression and self-deprecation; (3) memory and anecdote; and (4) vivid description and emotive language. From this analysis, I posit that McBride’s practices show her awareness of radio’s position between public and private spheres, allow her to connect with her audiences, challenge the public and private binary, and foster new norms for feminine discourse.
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Date Issued: 2017
Identifier: FSU_SUMMER2017_Rea_fsu_0071N_13998
Format: Thesis

Title: Relationships among Behavioral Engagement, Self-Efficacy, Academic Achievement, and Career Choice among Middle School Mathematics Students: Race and Gender Differences.
Creator: Benitez, Julieth Diaz, Losh, Susan Carol, Roehrig, Alysia D., Turner, Jeannine E. (Jeannine Ellen), Florida State University, College of Education, Department of Educational...
Show moreBenitez, Julieth Diaz, Losh, Susan Carol, Roehrig, Alysia D., Turner, Jeannine E. (Jeannine Ellen), Florida State University, College of Education, Department of Educational Psychology and Learning Systems
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Abstract/Description: This study used data from the High School Longitudinal Study [2009-2013] to address racial/ethnic and gender similarities and differences in the relationships among behavioral engagement, self-efficacy beliefs, academic achievement in mathematics and future career choices in a sample of 23,450 ninth-graders in the U.S. The data were analyzed using the Log-linear Model Selection Multinomial Logistic Regression programs in SPSS. The results indicated that students with low behavioral engagement...
Show moreThis study used data from the High School Longitudinal Study [2009-2013] to address racial/ethnic and gender similarities and differences in the relationships among behavioral engagement, self-efficacy beliefs, academic achievement in mathematics and future career choices in a sample of 23,450 ninth-graders in the U.S. The data were analyzed using the Log-linear Model Selection Multinomial Logistic Regression programs in SPSS. The results indicated that students with low behavioral engagement and low self-efficacy in mathematics were more likely to obtain very low GPAs in math, while those with moderate behavioral engagement and moderate self-efficacy were less likely to obtain low GPAs. On the other hand, students were more likely to choose math, science and technology careers only when both their behavioral engagement and self-efficacy were moderate. Whenever behavioral engagement or self-efficacy in mathematics was low, they were more likely to choose other white-collar or predominantly blue-collar careers. There were also significant variations in the relationships among the variables depending on students’ race/ethnicity and gender. Finally, students’ gender, self-efficacy in mathematics, and the interaction of behavioral engagement and self-efficacy in math were all significant predictors of students’ certainty about their future career choices.
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Date Issued: 2017
Identifier: FSU_SUMMER2017_Diaz_fsu_0071N_14091
Format: Thesis

Title: Removal of Powdered Activated Carbon by Cloth Tertiary Filters.
Creator: Madden, Brandon Cale, Ahmad, Hafiz, Chen, Gang, Tang, Youneng, Florida State University, College of Engineering, Department of Civil and Environmental Engineering
Abstract/Description: Water conservation, wastewater treatment regulations, and the use of reclaimed/reuse water supplies have been on a collision course since society’s demand began outstripping the supply of fresh water. As potable water demand has risen, engineers have looked toward Waste Water Treatment Plants (WWTP) to alleviate the stress placed upon aquifers and surface water sources. Direct Potable Reuse (DPR), Indirect Potable Reuse (IPR) and Reuse/Reclaimed systems all conserve water; however, they also...
Show moreWater conservation, wastewater treatment regulations, and the use of reclaimed/reuse water supplies have been on a collision course since society’s demand began outstripping the supply of fresh water. As potable water demand has risen, engineers have looked toward Waste Water Treatment Plants (WWTP) to alleviate the stress placed upon aquifers and surface water sources. Direct Potable Reuse (DPR), Indirect Potable Reuse (IPR) and Reuse/Reclaimed systems all conserve water; however, they also unintentionally conserve pollutants. The widespread use of WWTP effluent conservation requires additional treatment options such as Activated Carbon treatment to further treat plant effluent. Powdered Activated Carbon (PAC) has shown promise as a treatment method to reduce pollutants but challenges remain in effectively applying PAC to a wastewater stream. Of particular concern is the application of PAC to existing facilities in which the existing hydraulic profile does not allow the use of large sedimentation tanks normally associated with PAC use in potable water applications. Cloth Media Filtration (CMF) is an existing treatment process that has seen significant saturation into the WWTP market in the United States since being introduced in 1991. While mostly targeted at tertiary treatment, alternate processes such as primary filtration and storm water treatment are now being pursued. It is suspected that CMF will capture and retain Powdered Activated Carbon (PAC) in which the two processes could be combined in order to produce an energy friendly and cost competitive approach to pollutant reductions. This research examines the feasibility of application of PAC into existing hydraulic profiles by using inline injection and its quick removal by Cloth Media Filtration (CMF). One of the most challenging aspects of PAC usage is its removal, which can be facilitated by a commercial CMF. A bench sized cloth media filter was constructed and then operated in a side stream manner with a real-world wastewater treatment train. The results show excellent performance of the designed CMF. The removal of two commercially available PACs was more than 70% within a short time using the existing hydraulic conditions of the plant. Additionally, using the backwash rates and solids removal rates, it was determined that CMF performs as an acceptable means of removal for PAC in a WWTP.
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Date Issued: 2017
Identifier: FSU_SUMMER2017_Madden_fsu_0071N_14114
Format: Thesis

Title: The Geochemistry of Greenland Ice Sheet Melt Water.
Creator: McColaugh, Stephanie Giselle Doreen, Humayun, Munir, Morton, Peter (Professor of Oceanography), Salters, Vincent J. M., Spencer, Robert G. M., Florida State University, College...
Show moreMcColaugh, Stephanie Giselle Doreen, Humayun, Munir, Morton, Peter (Professor of Oceanography), Salters, Vincent J. M., Spencer, Robert G. M., Florida State University, College of Arts and Sciences, Department of Earth, Ocean, and Atmospheric Science
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Abstract/Description: The Greenland Ice Sheet (GrIS) is melting at an alarming rate. Supraglacial melt water flows into moulins that drain to the base of the ice sheet, and enhances basal flow. Ultimately, large quantities of melt water are expelled into the ocean contributing to rising sea level, as well as nutrient fertilization of the North Atlantic Ocean. The presence of residual melt water in a warm-based polythermal glacier creates conditions for chemical weathering of the subglacial till which is expected...
Show moreThe Greenland Ice Sheet (GrIS) is melting at an alarming rate. Supraglacial melt water flows into moulins that drain to the base of the ice sheet, and enhances basal flow. Ultimately, large quantities of melt water are expelled into the ocean contributing to rising sea level, as well as nutrient fertilization of the North Atlantic Ocean. The presence of residual melt water in a warm-based polythermal glacier creates conditions for chemical weathering of the subglacial till which is expected to lead to a higher dissolved load in the basal melt water. Supraglacial melt arriving during the start of the melting season flushes out the basal melt water. Despite this important window, little work has been done to measure trace element concentrations in the early melt season. To examine the effect of supraglacial melt water input on the chemistry of basal melt waters, we performed a time series of supraglacial and proglacial sampling collected daily for four weeks at the start of the melt season in 2016 in southwest Greenland following GEOTRACES trace element-clean protocols. Briefly, glacial melt water samples were vacuum-filtered through 0.45 um acid-washed Supor filters under Class-10 HEPA-filtered laminar air flow and analyzed for major and trace element concentrations by High Resolution Inductively Coupled Plasma Mass Spectrometry (HR-ICP-MS). The daily sampling regime captured trace element concentrations throughout the first seasonal pulse of melt water discharge. Concentrations of a variety of trace elements, including Ba, Mg, Mn, and Sr, closely followed the melt water discharge pulse, increasing in concentration during the main pulse event (which lasted <5 days). The abundances of REEs and Fe exhibited no discernable temporal relationship, however Fe concentrations fell between 15-120 ppb, below a recent study implying that the melting GrIS is a significant source of bioavailable Fe. Also notable is that toxic metals never exceeded EPA primary and secondary drinking water quality standards, even during the pulse peak, demonstrating the potential of seasonal glacial melt waters as viable sources of drinking water.
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Date Issued: 2017
Identifier: FSU_SUMMER2017_McColaugh_fsu_0071N_14096
Format: Thesis

Title: Foundations of Perturbation Robust Clustering.
Creator: Moore, Jarrod, Ackerman, Margareta, Tyson, Gary Scott, Haiduc, Sonia, Zhao, Peixiang, Florida State University, College of Arts and Sciences, Department of Scientific Computing
Abstract/Description: Clustering is a fundamental data mining tool that aims to divide data into groups of similar items. Intuition about clustering reflects the ideal case -- exact data sets endowed with flawless dissimilarity between individual instances. In practice however, these cases are in the minority, and clustering applications are typically characterized by noisy data sets with approximate pairwise dissimilarities. As such, the efficacy of clustering methods necessitates robustness to perturbations. In...
Show moreClustering is a fundamental data mining tool that aims to divide data into groups of similar items. Intuition about clustering reflects the ideal case -- exact data sets endowed with flawless dissimilarity between individual instances. In practice however, these cases are in the minority, and clustering applications are typically characterized by noisy data sets with approximate pairwise dissimilarities. As such, the efficacy of clustering methods necessitates robustness to perturbations. In this paper, we address foundational questions on perturbation robustness, studying to what extent can clustering techniques exhibit this desirable characteristic. Our results also demonstrate the type of cluster structures required for robustness of popular clustering paradigms.
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Date Issued: 2017
Identifier: FSU_SUMMER2017_Moore_fsu_0071N_13913
Format: Thesis

Title: Experimental Study of Controlled Surface Imperfection Effects on Vortex Asymmetry of Conical Bodies at High Angles of Incidence.
Creator: Rodriguez, Joseph, Kumar, Rajan (Professor of Mechanical Engineering), Oates, William, Shoele, Kourosh, Florida State University, College of Engineering, Department of...
Show moreRodriguez, Joseph, Kumar, Rajan (Professor of Mechanical Engineering), Oates, William, Shoele, Kourosh, Florida State University, College of Engineering, Department of Mechanical Engineering
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Abstract/Description: At high angles of attack, asymmetric vortices are formed on the leeward side of flight vehicles with pointed forebodies due to the random surface imperfections near the forebody apex. These vortices induce adverse side forces and yaw moments. The forces generated are too large to be controlled using conventional control surfaces and can result in flight instability and loss of control. Although many studies have reported that random surface imperfections trigger vortex asymmetry, there is a...
Show moreAt high angles of attack, asymmetric vortices are formed on the leeward side of flight vehicles with pointed forebodies due to the random surface imperfections near the forebody apex. These vortices induce adverse side forces and yaw moments. The forces generated are too large to be controlled using conventional control surfaces and can result in flight instability and loss of control. Although many studies have reported that random surface imperfections trigger vortex asymmetry, there is a lack of understanding of how these imperfections directly correlate to the varying side force with roll orientation. The present study is aimed at gaining a better insight into the underlying flow physics of vortex asymmetry. This is accomplished by performing flow field measurements using Particle Image Velocimetry and force measurements using a six-component strain gage balance on an unpolished and a highly-polished 12° semi-apex angle cone at subsonic speeds. Measurements were carried out with and without the implementation of controlled surface imperfections. All experiments were performed at a fixed Reynolds number of 0.3 × 10^6 based on the base diameter of the cone model. The force measurements indicate that the vortices caused by the random surface imperfections are highly dependent on the magnitude of surface roughness. The results show that the side force was significantly reduced and was relatively less dependent on roll orientation for the polished cone. Flow field results show that the ratio of imperfection height to the local cross-flow boundary layer thickness was observed to be critical in influencing the vortex location and growth. Furthermore, the region of incipient boundary layer separation was highly sensitive to the controlled imperfections.
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Date Issued: 2017
Identifier: FSU_SUMMER2017_Rodriguez_fsu_0071N_14107
Format: Thesis

Title: Fluorescent pH Microsensors as Indicators for Extracellular pH.
Creator: Bauer, Mark A. (Mark Andrew), Guan, Jingjiao, Locke, Bruce R., Chella, Ravindran, Florida State University, FAMU-FSU College of Engineering, Department of Chemical and...
Show moreBauer, Mark A. (Mark Andrew), Guan, Jingjiao, Locke, Bruce R., Chella, Ravindran, Florida State University, FAMU-FSU College of Engineering, Department of Chemical and Biomedical Engineering
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Abstract/Description: Using the Layer by Layer (LbL) technique combined with microcontact printing, novel pH sensors were developed in order to detect the extracellular pH (pHe) of the cancerous cell lines K562 and HeLa. Key to this process was the utilization of fluorescence microscopy which allowed for direct measurement of the fluorescence intensity observed from the pH sensors made possible by the integration of fluorescent molecules into the polymer layers, namely Fluorescein Isothiocyanate and Rhodamine...
Show moreUsing the Layer by Layer (LbL) technique combined with microcontact printing, novel pH sensors were developed in order to detect the extracellular pH (pHe) of the cancerous cell lines K562 and HeLa. Key to this process was the utilization of fluorescence microscopy which allowed for direct measurement of the fluorescence intensity observed from the pH sensors made possible by the integration of fluorescent molecules into the polymer layers, namely Fluorescein Isothiocyanate and Rhodamine Isothiocyanate. In this work eight pH sensor types were analyzed and statistically validated. By subjecting the pH sensors to the pH buffers, pH 5, pH 6, pH 7, and pH 8 a standard curve was also able to be developed. Results found that both Nine Layer pH Sensor formulations, with FITC as the pH sensitive fluorophore, showed significant differences between pH value sets, such as between pH 6 and pH 7 and between pH 7 and pH 8, at **p<0.01 using T-Test analysis. These Nine Layer pH Sensors were then deemed suitable for cell seeding analysis since cells are known to exhibit extracellular pH’s between the ranges of pH 6 and pH 8. Cell seeding analysis of pH sensors revealed that no significant difference occurred with either cell type used, K562 or HeLa. In this analysis, cells were cultured over top of the pH sensor and allowed to bind ~2 nm away from the pH sensing fluorescent layer. It was hoped that the proximity of the layer to the cell would allow for a comparison between cell bound fluorescent striped regions and non-cell bound fluorescent striped regions. It was theorized that these cell bound regions would exhibit dimmed fluorescent stripes directly underneath the cells as the non-cell bound regions would exhibit greater fluorescence intensity comparatively. These two cancer cell lines are known to exhibit slightly acidic extracellular pH’s in the range of pH 6.7 to pH 6.8 while being cultured in media with known pH values of pH 7.4 or greater. This difference in pH values would then theoretically result in fluorescence intensity differences on the fluorescent stripes. In analyzing the pH sensors, it was seen that they did not possess the sensitivity needed to detect pHe, as they simply were only able to detect the pH of the bulk fluid and not pH directly surrounding the cells. Any visible fluorescence intensity change resulted from cell autofluorescence. Future work would then center around reducing interference from cell autofluorescence as well as determining the cause for the lack of sensitivity. It seems that manipulation of the polymer layers would possibly allow for greater diffusion of cell metabolites through the polymer matrix thus resulting in greater access to the fluorophore. It also seems that FITC may not be an adequate fluorophore and more sensitive molecule may need to be selected. Key words: Layer by Layer, microcontact printing, extracellular pH (pHe), K562, HeLa, Fluorescein Isothiocyanate, Rhodamine Isothiocyanate, fluorophore, T-Test.
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Date Issued: 2017
Identifier: FSU_SUMMER2017_Bauer_fsu_0071N_13943
Format: Thesis

Title: Numerical Simulation of Seawater Intrusion in a Well-Developed Costal Karstaquifer by Using VDFST-CFP Model.
Creator: Xu, Zhongyuan, Hu, Bill X., Wang, Yang (Professor of Earth, Ocean and Atmospheric Science), Kish, Stephen A., Ye, Ming (Professor of scientific computing), Florida State...
Show moreXu, Zhongyuan, Hu, Bill X., Wang, Yang (Professor of Earth, Ocean and Atmospheric Science), Kish, Stephen A., Ye, Ming (Professor of scientific computing), Florida State University, College of Arts and Sciences, Department of Earth, Ocean, and Atmospheric Science
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Abstract/Description: Well-developed karst aquifers contain high permeability limestone matrix and much higher conductive conduits, this dual porosity system behaves totally different from other kinds of aquifers and becomes a challenging task for modern hydrogeological study. High permeable conduit system provides idea pipes for contaminant transporting in rapid flowing groundwater, this effect may cause wide range pollution in a short time. One of these serious problems is seawater intrusion. Seawater intrusion...
Show moreWell-developed karst aquifers contain high permeability limestone matrix and much higher conductive conduits, this dual porosity system behaves totally different from other kinds of aquifers and becomes a challenging task for modern hydrogeological study. High permeable conduit system provides idea pipes for contaminant transporting in rapid flowing groundwater, this effect may cause wide range pollution in a short time. One of these serious problems is seawater intrusion. Seawater intrusion has been found in many coastal aquifers, produced contaminated fresh groundwater resources and induced ecosystem problems. Seawater intrusion in a well-developed karst aquifer such as Woodville Karst Plain (WKP) is simulated by Dr. Zexuan Xu (Xu and Hu, 2017a), he developed a new model VDFST-CFP (Variable-Density Flow and Solute Transport - Conduit Flow Process) which considers the variable density flow in dual porosity system. VDFST-CFP provides an accurate simulation of seawater intrusion in a coastal karst aquifer with conduit networks. It couples the variable density flow field and the density function of salinity in the porous medium and non-laminar groundwater flow within karst conduits. Currently, the VDFST-CFP model is used to simulate seawater intrusion condition at a synthetic level, the present numerical simulation only considered the idea circumstance that is one conduit in a 2D model, and data analyses mainly focused on the horizontal source. In this study, an improvement of VDFST-CFP will concentrate on the vertical source model in the WKP, the roughness of conduit wall and multiple pipes will be considered. Two improvement are implemented in the new model: (1) multi-conduit networks in the domain; (2) micro- and macro-structures on the conduit wall (conduit wall roughness). The simulation results show that dual-pipe system produced a larger contaminant plumes than single-pipe system. Meanwhile, rougher micro-structures and more macro-structures on conduit wall slow down the velocity of seawater intrusion in conduit system, however, have a limited affect salinity distribution in the matrix. In addition, local sensitivity analysis and global sensitivity analysis of seven parameters (conductivity, diameter, dispersivity, exchange permeability between conduit and matrix, effective porosity, mean roughness height and specific storage) are conducted in this study. Sensitivity results indicate that conductivity, diameter and porosity are more important to head and salinity distribution simulations than other four parameters. Diameter is the most important parameter to the conduit simulation, while matrix simulations is more sensitive to effective porosity. Furthermore, scenarios study about variation of boundary conditions is conducted, the result shows that a decreasing of salinity at submarine spring or a decreasing on sea level moves seawater intrusion backward both in conduit and matrix, while the intrusion in conduit and matrix have different sensitivities to the change of boundary conditions.
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Date Issued: 2017
Identifier: FSU_SUMMER2017_Xu_fsu_0071N_13953
Format: Thesis

Title: Music Therapy for Eating Disorders: A Manual for the Use of Music Therapy as an Integrative Therapy for the Treatment of Individuals with Eating Disorders.
Creator: Powers, Leah Elizabeth, Gooding, Lori F. (Lori Fogus), Standley, Jayne M., Gregory, Sarah Diane, Florida State University, College of Music
Abstract/Description: An eating disorder is a psychological disorder that affects one’s eating habits. According to a 2011 study, approximately 20 million women and 10 million men in the United States suffer from a clinical eating disorder at some point in their lives (Wade, Keski-Rahkonen, & Hudson, 2011). Eating disorders include anorexia nervosa, bulimia nervosa, binge eating disorder, and other disorders (DSM V, 2013). Recent research has indicated that the prevalence of anorexia nervosa is 0.3% in males, 0.9%...
Show moreAn eating disorder is a psychological disorder that affects one’s eating habits. According to a 2011 study, approximately 20 million women and 10 million men in the United States suffer from a clinical eating disorder at some point in their lives (Wade, Keski-Rahkonen, & Hudson, 2011). Eating disorders include anorexia nervosa, bulimia nervosa, binge eating disorder, and other disorders (DSM V, 2013). Recent research has indicated that the prevalence of anorexia nervosa is 0.3% in males, 0.9% in females, and 0.3% in adolescents (Hoek, 2006). In 2007, the first national survey to include eating disorders found the prevalence of bulimia nervosa to be 1.5% in the United States (Hudson, Hiripi, Kessler, 2007). The fifth edition of Diagnostic and Statistical Manual of Mental Disorders (2013) was revised to include binge eating disorder, which has a prevalence rate of 2.6% in white women and 4.5% in African American women (DSM V, 2013; Pike, Dohm, Striegel-Moore, & Fairburn, 2001; Striegel-Moore, Wilfley, & Pike, 2000). Though overall prevalence rates are low, eating disorders impact millions of Americans each year, and eating disorders have the highest mortality rate of all psychiatric disorders(Neumarker, 2000). Music therapy, defined as the use of musical interventions to address non-musical goals, has its roots in mental health care (Silverman, 2015). While music therapy is one of the treatment options for individuals with eating disorders, very little research is available regarding music therapy with this population (Hilliard, 2001). This manual provides an overview of music therapy for the treatment of eating disorders with the purpose of better equipping music therapists with the knowledge and tools to serve the growing eating disorder population.
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Date Issued: 2017
Identifier: FSU_SUMMER2017_Powers_fsu_0071N_14050
Format: Thesis

Music (31)	+ -
History (23)	+ -
Clinical psychology (21)	+ -
Study and teaching (21)	+ -
Meteorology (19)	+ -

Psychology (19)	+ -
Electrical engineering (16)	+ -
Computer science (15)	+ -
Archaeology (14)	+ -
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