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Title: THE EFFECTS OF SCREEN SIZE ON PERFORMANCE OF A MODIFIED CODE SUBSTITUTION TASK.
Creator: Stafford, Shawn, Hancock, Peter, University of Central Florida
Abstract / Description: Understanding the effects of the visual display size of a task on human performance has long been a goal of research in the United States Military. The present work is a series of three studies which focus on distinguishing which specific aspects of display size each affect performance response capacity. The three sequential studies represented here manipulated viewing conditions and task type. These studies were derived from a code substitution cognitive battery using four display sizes and...
Show moreUnderstanding the effects of the visual display size of a task on human performance has long been a goal of research in the United States Military. The present work is a series of three studies which focus on distinguishing which specific aspects of display size each affect performance response capacity. The three sequential studies represented here manipulated viewing conditions and task type. These studies were derived from a code substitution cognitive battery using four display sizes and three viewing conditions. The first viewing condition is controlled distance to the display. The second viewing condition allowed the participants to choose their own viewing distance. The second condition, Free movement, provided the data for the third viewing condition where the participant was held to a constant visual angle and changing distance. In summary the three sequential experiments are free movement to and from the display, controlled distance to the display, and controlled visual angle while changing display distance. The four display sizes were in part selected in association with SME's from UCF and the United States Army (PDA – 320x280, Tablet – 800x600, Small - LCD 1280x1024, Large LCD – 1600x1200). These four displays are representative of the four display sizes widely used by our armed forces. Three workload levels were manipulated by restricting the viewing time to 300ms on target at the shortest interval through 700ms on target, to finally 3000ms on target. The 3000ms represents the standard amount of time used in a code substitution task, while 700ms and 300ms are present as a result of the pilot studies and thus representing higher workloads. Results indicate all displays sizes suffered performance diminution in the 700 ms and 300 ms condition. The three largest displays had indistinguishable performance results. The smallest display while indistinguishable from the larger three displays in the 3000 ms condition has significant accuracy diminution in the 700 ms and 300 ms conditions when compared to the three larger displays.
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Date Issued: 2009
Identifier: CFE0002946, ucf:47967
Format: Document (PDF)
PURL: http://purl.flvc.org/ucf/fd/CFE0002946

Title: CLASS SIZE REDUCTION: IS IT WORTH THE COST?A META-ANALYSIS OF THE RESEARCH.
Creator: Camacho, Christopher, Holt, Larry, University of Central Florida
Abstract / Description: ABSTRACT The purpose of this study was to investigate whether ethnicity, gender, grade level and content area mediate the relationship between class size and student achievement. Twenty six educational research studies were collected for this meta-analysis. A meta-analytical approach using like data sets were used to report the most accurate information. Fixed and random effect models were used to ensure the distribution across different studies. A total of three studies were meta-analyzed...
Show moreABSTRACT The purpose of this study was to investigate whether ethnicity, gender, grade level and content area mediate the relationship between class size and student achievement. Twenty six educational research studies were collected for this meta-analysis. A meta-analytical approach using like data sets were used to report the most accurate information. Fixed and random effect models were used to ensure the distribution across different studies. A total of three studies were meta-analyzed for this research. The studies included in this research examined class size and student achievement for students in grades K-7. This research examined whether there was a mediating effect on ethnicity, gender, grade level, and content area in the class size and student achievement studies collected and correlated. The results indicate that smaller class size does have a positive impact on student achievement when mediated by ethnicity, grade level, and content area. When examining ethnicity as a mediating factor, a stronger correlation exists for minority students than for whites. When examining grade level as a mediating factor results indicate that a stronger correlation exist for lower grades K-3 than upper grades 4-7. A stronger correlation is present in the content area of reading as compared to other content areas when it was used as a mediating factor. When examining gender as a mediating factor, the largest effect sizes were reported for females in reading as opposed to males in math, both for first grade. These results correlate with those presented in other mediator sections of the study. The results found in this research will contribute to the literature concerning class size and student achievement and will help inform educational policy makers regarding class size as an educational issue.
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Date Issued: 2006
Identifier: CFE0001029, ucf:46813
Format: Document (PDF)
PURL: http://purl.flvc.org/ucf/fd/CFE0001029

Title: IDENTIFYING UNDERGRADUATE STUDENT'S MOTIVATION TO ATTEND TUTORING FOR GENERAL CHEMISTRY COURSES.
Creator: Hyacinthe, Alexis C, Saitta, Erin, University of Central Florida
Abstract / Description: General Chemistry II is a common chemistry course that is required for professional school such as, medical, dental, optometry schooling. Considering that it historically has a high drop, fail, withdrawal rate, it is surprising that less than 10% of students in chemistry II attend tutoring at the Student Academic Resource Center (SARC). In this tutoring center, sessions are led by students who have excelled previously in that specific course. The objective of this research is to investigate...
Show moreGeneral Chemistry II is a common chemistry course that is required for professional school such as, medical, dental, optometry schooling. Considering that it historically has a high drop, fail, withdrawal rate, it is surprising that less than 10% of students in chemistry II attend tutoring at the Student Academic Resource Center (SARC). In this tutoring center, sessions are led by students who have excelled previously in that specific course. The objective of this research is to investigate the relationship between student motivation and attendance in SARC peer tutoring sessions for chemistry II. More precisely, to better understand the connection between those who have a motivation of getting a good grade and learning the material and those who attend tutoring. In order to gain insight on a student's motivation to attend sessions in SARC, a survey was distributed to those taking the class currently. Two modes were used including paper survey and online. Findings from this investigation will lead to suggestions to increase SARC chemistry tutoring attendance which could positively impact the success of STEM students on UCF's campus.
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Date Issued: 2018
Identifier: CFH2000330, ucf:45862
Format: Document (PDF)
PURL: http://purl.flvc.org/ucf/fd/CFH2000330

Title: How high school size configuration affects student achievement in the State of Florida.
Creator: Morrison, Donald, Murray, Kenneth, Bai, Haiyan, Doherty, Walter, Kaplan, Jeffrey, University of Central Florida
Abstract / Description: The study was conducted to determine if there were any statistically significant differences in student achievement as measured by the 10th-grade Reading and Mathematics Florida Comprehensive Assessment Test (FCAT) at the school level between the configurations of high schools, controlling for the percentage of minority population and SES. A total of 259 large public high schools within Florida were used in the study; 149 traditional schools and 110 large schools using small learning...
Show moreThe study was conducted to determine if there were any statistically significant differences in student achievement as measured by the 10th-grade Reading and Mathematics Florida Comprehensive Assessment Test (FCAT) at the school level between the configurations of high schools, controlling for the percentage of minority population and SES. A total of 259 large public high schools within Florida were used in the study; 149 traditional schools and 110 large schools using small learning communities. Because prior researchers have indicated that the number of low SES students and the percentage of minority students can have an effect on student achievement, these covariates were controlled for in this study. There was a significant difference in the FCAT Mathematics scores of students based on school configuration. Those students who attended traditional high schools scored higher than those in the smaller learning communities. There was a similar finding in the FCAT Reading scores, but it was only marginally significant. The interaction between the percentage of the minority population and low SES population was also evaluated, but no significant interaction was found. A qualitative survey was also sent to administrators at schools who were involved in the study. In direct contradiction to the quantitative study results, the vast majority of respondents thought that the use of a small learning community would increase student achievement. With the advent of Common Core in Mathematics and Language Arts, this research lends itself to be expanded on a national level to determine if a larger sample size would yield the same or differing results.
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Date Issued: 2014
Identifier: CFE0005215, ucf:50631
Format: Document (PDF)
PURL: http://purl.flvc.org/ucf/fd/CFE0005215

Title: LIQUID CRYSTAL THERMOGRAPHY STUDIES IN WATER POOL BOILING AT SUBATMOSPHERIC PRESSURES.
Creator: Talari, Kiran, Kumar, Ranganathan, University of Central Florida
Abstract / Description: A pool boiling experimental facility has been designed and built to investigate nucleate pool boiling in water under sub atmospheric pressure. Liquid crystal thermography, a non intrusive technique, is used for the determination of surface temperature distributions. This technique uses encapsulated liquid crystals that reflect definite colors at specific temperatures and viewing angle. Design of the test section is important in this experimental study. Since a new TLC is required for every...
Show moreA pool boiling experimental facility has been designed and built to investigate nucleate pool boiling in water under sub atmospheric pressure. Liquid crystal thermography, a non intrusive technique, is used for the determination of surface temperature distributions. This technique uses encapsulated liquid crystals that reflect definite colors at specific temperatures and viewing angle. Design of the test section is important in this experimental study. Since a new TLC is required for every new set of test conditions, a permanently sealed test section is not an option. The real challenge is to design a leak proof test section which is flexible so that it can be taken apart easily. A plexiglass test section, including a top chamber with an internal volume of 60.9 x 60.9 x 66.4 mm and a bottom plate of 5.5mm thickness is designed and assembled together using quick grips. In the test section, water is boiled using 85.0mm x 16.0mm and 0.050mm thick Fecralloy® as the heating element. The TLC sheet is attached to the bottom plate and the heating element is placed on top of TLC so that the temperature distribution of the heating element during boiling can be interpreted from TLC. A camera system fast enough to capture the thermal response of the TLC and an arrangement to capture both hue of the TLC and growth of the bubble on the same frame has been designed and successfully used. This system allowed recording of position, size and shape of the bubble with synchronized surface temperature. In order to get hue vs. temperature relation, in-situ calibration of the TLC is performed for each test condition with the present experimental setup and lighting conditions. It is found that the calibration curve of the TLC at atmospheric pressure is different from the calibration curve of the same TLC at subatmospheric pressures. The maximum temperature difference between the two curves for the same hue is found to be only 0.6°C. The experiment is run at four different test conditions of subatmospheric pressure and low heat flux. It is run at system pressures of 6.2kPa (0.89Psi) and 8.0kPa (1.16Psi) with a constant heat flux of 1.88kW/m2 and 2.70kW/m2, and a constant heat flux of 2.70kW/m2, 3.662kW/m2 and 4.50 kW/m2 respectively. Analysis of nucleating surface temperatures using thermochromic liquid crystal technique is performed for these test conditions and the bubble dynamics is studied. The temperature distribution is quite varied in each case and the temperature is at its maximum value at the center of the bubble and it decreases radially from the center. The dry spot observed during the experiments indicates that the process of evaporation of the microlayer is dominant at subatmospheric pressures. It is observed that at very low pressure and heat flux the bubble growth is accompanied by the neck formation. Boiling parameters such as bubble frequency, bubble size and contact are also analyzed and a summary of these results for four different test conditions is presented and the relevant differences between the cases are discussed and the effect of increase in pressure and heat flux is noted.
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Date Issued: 2007
Identifier: CFE0001537, ucf:47150
Format: Document (PDF)
PURL: http://purl.flvc.org/ucf/fd/CFE0001537

Title: THE EFFECT OF NEIGHBORHOOD SIZE AND MORPHOLOGY IN THE CHINESE LANGUAGE.
Creator: Nguyen, Long, Sims, Valerie, University of Central Florida
Abstract / Description: The Neighborhood Size Effect (NSE), characterized as the effect in word determination based on changing one orthographic aspect of that word. The amount of words that can be created through such manipulation is called a neighborhood size (NS). Number of other factors such as frequency, how often a word appears and morphology, the combination of meaningful word units, have been suggested to have an overriding effect on NSE. In addition, there is a lack of research on NSE with non-alphabetical...
Show moreThe Neighborhood Size Effect (NSE), characterized as the effect in word determination based on changing one orthographic aspect of that word. The amount of words that can be created through such manipulation is called a neighborhood size (NS). Number of other factors such as frequency, how often a word appears and morphology, the combination of meaningful word units, have been suggested to have an overriding effect on NSE. In addition, there is a lack of research on NSE with non-alphabetical languages such as Chinese, which uses characters comprising of a multitude of semantic or phonetic markers. In this experiment, participants coming from mainland China were presented with 60 individual characters and 59 characters with Chinese morphology made up of two characters which form single words. Both conditions, were manipulated with NS by adjusting the semantic or phonetical radical within a character and with frequency by using a website that measures how frequent a character appeared within the language. Both character conditions were found to have a significant effect with frequency and neighborhood size (NS) with characters with higher frequency and lower NS found to have higher accuracy and lower reaction times. With low frequency single characters, it was that those with higher neighborhood size had greater delay in reaction time and lower accuracy. With low frequency morphologically constructed characters, it was found that lower neighborhood size had higher accuracy, but no significant result with regards to reaction time. Due to differing accuracy results with NS and character condition, it is suggested that further factors such as morphological processing in single characters and bigram frequency in morphologically constructed characters might have an effect on word determination in conjunction with neighborhood size. Thus, it is a possibility that Chinese morphological may depend more on other factors than neighborhood size.
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Date Issued: 2016
Identifier: CFH2000098, ucf:45556
Format: Document (PDF)
PURL: http://purl.flvc.org/ucf/fd/CFH2000098

Title: Correlates to Police and Correctional Burnout: An Exploratory Study.
Creator: McDonald, James, Holmes, Stephen, Adams, Kenneth, Wolf, Ross, Addelston, Judi, Goltz, Jeffrey, University of Central Florida
Abstract / Description: This study builds on the small but growing body of research examining the antecedents and effects of burnout on police and corrections officers. A review of the extant literature on burnout in general and on the literature exploring police and correctional officer burnout in particular identified several variables that contribute to the social-psychological condition of burnout. The variables identified in the literature review were grouped according to biographical factors (gender, race...
Show moreThis study builds on the small but growing body of research examining the antecedents and effects of burnout on police and corrections officers. A review of the extant literature on burnout in general and on the literature exploring police and correctional officer burnout in particular identified several variables that contribute to the social-psychological condition of burnout. The variables identified in the literature review were grouped according to biographical factors (gender, race/ethnicity, and age), biographical stressors (marital status and level of education), organizational factors (occupational field, agency size, tenure, and rank), workplace stressors (recent promotions, transfers or discipline, and perceptions of fairness in promotions, discipline, and transfers), or life-event stressors. This study utilized the Maslach Burnout Inventory-General Survey (MBI-GS) to assess burnout. The Social Readjustment Rating Scale (SRRS) developed by Holmes and Rahe (1996) was used to identify life-event stressors. The sample for this study was drawn from police and correctional officers attending professional development training at a regional criminal justice training center in Central Florida. Of the 577 students surveyed, 417 remained in the sample after duplicates were eliminated. A multi-stage analysis, which included analysis of variance (ANOVA), independent sample t-tests, and ordinary least squared techniques (OLS), was conducted to explore the influences of different correlates of burnout on police and correctional officers. Multiple one-way ANOVA models and independent sample t-tests were run first, followed by several stages of multiple regression analysis. In the initial OLS regression models, only the variables for biographical factors, biographical stressors, and occupational factors were entered in the models. In following stage, workplace stressors were added to the regression models, followed by the addition of life-event stressors into the final regression models. The correlates of burnout found to be most significant included race/ethnicity, agency size, and perceptions of fairness in promotions and discipline. Of the correlates that were significant, race/ethnicity and perceptions of fairness were the most noteworthy, since the data indicated White/Caucasian officers experienced greater levels of burnout than minority officers, a finding that appeared related to an officer's perceptions of fairness in promotions and discipline. In addition, a statistically significant difference in professional efficacy scores was detected between officers from smaller agencies (99 officers or fewer) and officers from the largest agencies (1,000 officers or more). The findings from this study seem to suggest that burnout may be influenced by perceptions of fairness in promotional and disciplinary processes, which may be confounded by an officer's race/ethnicity. To address this matter, police and correctional agency administrators might want to consider designing promotional and disciplinary procedures that stress transparency and emphasize merit-based outcomes rather than equality-based outcomes. With regard to agency size, administrators from small agencies should consider steps that make the job more rewarding to their officers so they are less susceptible to burnout.
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Date Issued: 2012
Identifier: CFE0004215, ucf:49016
Format: Document (PDF)
PURL: http://purl.flvc.org/ucf/fd/CFE0004215

Title: FACTORS AFFECTING BREEDING TERRITORY SIZE AND PLACEMENT OF THE FLORIDA GRASSHOPPER SPARROW (AMMODRAMUS SAVANNARUM FLORIDANUS).
Creator: Aldredge, Jill, Noss, Reed, University of Central Florida
Abstract / Description: For most taxa, maximizing fitness depends on maintaining access to adequate resources. Territories provide exclusive use of resources for an individual or a family group, thus facilitating successful reproduction. The economic defensibility of a territory depends on the quality, abundance, and distribution of its resources as well as the amount of competition that an individual must endure to maintain exclusive access. The benefits of defense must outweigh the costs for territoriality to be...
Show moreFor most taxa, maximizing fitness depends on maintaining access to adequate resources. Territories provide exclusive use of resources for an individual or a family group, thus facilitating successful reproduction. The economic defensibility of a territory depends on the quality, abundance, and distribution of its resources as well as the amount of competition that an individual must endure to maintain exclusive access. The benefits of defense must outweigh the costs for territoriality to be profitable. Territory owners may benefit from territories with high quality resources, but they also may incur greater costs defending these resources from competitors. In contrast, territories with poor quality resources provide fewer benefits to an owner but also may have fewer competitors vying for those resources. Resource quality may change over time, especially in habitats in which periodic ecological disturbances, such as fire, occur. As a result, the cost-benefit equation of defensibility also changes over time. The Florida Grasshopper Sparrow (Ammodramus savannarum floridanus), an Endangered subspecies, is a habitat specialist endemic to the Florida dry prairie, a pyrogenic ecosystem found only in south-central Florida. As a result A. s. floridanus has evolved with frequent fires and its demography is strongly influenced by the structural habitat characteristics, such as sparse woody vegetation and large amounts of bare ground that occur with frequent fire. The objective of my study was to determine what factors associated with fire (i.e. habitat structure and prey abundance) affected the "decisions" of male A. s. floridanus to defend a territory. I hypothesized that fire and the resources resulting from fire would have an impact on territory size and placement. I predicted that territories in more recently burned habitat would be of higher quality and that sparrows would avoid areas with a longer time since fire. I conducted my study at Kissimmee Prairie Preserve State Park in Okeechobee County, FL. One half of my 100-ha study plot had experienced two growing seasons since the last fire and the remaining half had experienced only a single growing season since fire at the start of my study. I mapped territories of all males within my study plot twice over the breeding season; once during the early season (nest building and incubation) and once during the late season (nestling and fledgling stages). In addition, during each survey I collected arthropods and surveyed vegetation composition within territories and at random, unoccupied points within the study plot. I compared the differences between the habitat characteristics of territories and unoccupied areas, the differences between the territories of the males that occupied the two-year rough and those in the one-year rough, males that abandoned their territories mid-season and those that remained in the study plot, and the seasonal changes in territory characteristics between the early and late season territories of males that persisted. My results indicate that A. s. floridanus selects certain habitat characteristics in which to place territories. Males preferred areas with fewer shrubs and more bare ground, which is consistent with previous studies. Prey biomass did not differ between territories and unoccupied areas. Nonetheless, although the mean mass of individual arthropods was larger in unoccupied areas, the numerical abundance of orthopterans, damselflies, and spiders was significantly higher in territories than in unoccupied areas. Sparrows were more likely to abandon their territories if they occurred in the two-year rough as opposed to the one-year rough. Territories in the two-year rough were significantly larger, had poorer quality habitat, and tended to have less prey than those in the one-year rough. The sparrows that persisted throughout the season significantly increased their territory size in the late season; however, very little spatial shift occurred, suggesting that they merely increased their territory size rather than moved to new sites. Early-season territories in the one-year rough were completely exclusive, but late season territories showed considerable overlap, suggesting lack of defense and a shift toward home ranges as opposed to exclusive territories. The habitat quality in late-season territories decreased (more shrubs, less bare ground) from the early season. Unexpectedly, however, the biomass of prey increased. This increase coincides with an increased demand for prey because sparrows are provisioning young. It seems likely that the costs of defense increase at this time because time and energy spent in defense come at the expense of time spent provisioning young. Because prey increases in the late season, the need to defend exclusive territories may decline.
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Date Issued: 2009
Identifier: CFE0002766, ucf:48135
Format: Document (PDF)
PURL: http://purl.flvc.org/ucf/fd/CFE0002766

Title: ELEMENTARY SCHOOL STUDENT ACHIEVEMENT: AN ANALYSIS OF SCHOOL SIZE AND STUDENT ACHIEVEMENT.
Creator: Odom, Natalie, Murray, Kenneth, University of Central Florida
Abstract / Description: Student achievement is the cornerstone of educational intuitions. Having a comprehensive understanding of what factors into having a successful student achievement rate requires the use of previous research and analyzing of historical accounts. The purpose of this study was to determine if there was a difference in student achievement when elementary school size was a factor. The analysis of the results offered beneficial information pertaining to Florida's public schools while providing...
Show moreStudent achievement is the cornerstone of educational intuitions. Having a comprehensive understanding of what factors into having a successful student achievement rate requires the use of previous research and analyzing of historical accounts. The purpose of this study was to determine if there was a difference in student achievement when elementary school size was a factor. The analysis of the results offered beneficial information pertaining to Florida's public schools while providing a stepping stone towards future research. The results of this study and subsequent studies can provide information and guidance to decision makers regarding school size relative to student achievement. The population for this data was obtained from the Florida Department of Education's Florida Schools Indicator Reports. Three elementary schools were selected from each school district in the state of Florida based on its student enrollment. A small school consisted of an enrollment of 1-300 students, a medium school consisted of 301-500 students, and a school was considered large if its enrollment was 600 students or more. From these schools, the 3rd, 4th, and 5th grade Florida Comprehensive Assessment Test (FCAT) mathematics and reading scores were analyzed. Analysis of the data revealed that there was no statistically significant difference found for student achievement in mathematics when school size was a factor. However, there was a statistically significant difference found in student achievement in reading. The significance was found to lie between medium and large schools, with large schools scoring significantly better than medium schools.
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Date Issued: 2009
Identifier: CFE0002696, ucf:48207
Format: Document (PDF)
PURL: http://purl.flvc.org/ucf/fd/CFE0002696

Title: The Gold Wrapper Standard: An Investigation into the Preference for Larger Sized Condoms.
Creator: Plaza, Diego, Grauerholz, Liz, Pritchard, Adam, Carter, Shannon, Rivera, Fernando, University of Central Florida
Abstract / Description: Research looking into the relationship between masculinity and condoms has typically centered on how masculinity ideology acts as a deterrent toward condom use. The current study focuses on the social pairing between larger sized condoms and masculinity by examining the factors that predict the preference for larger sized condoms. Specifically, the current analysis uses survey data collected from a sample of 398 University of Central Florida students to examine the predictive role of gender,...
Show moreResearch looking into the relationship between masculinity and condoms has typically centered on how masculinity ideology acts as a deterrent toward condom use. The current study focuses on the social pairing between larger sized condoms and masculinity by examining the factors that predict the preference for larger sized condoms. Specifically, the current analysis uses survey data collected from a sample of 398 University of Central Florida students to examine the predictive role of gender, race/ethnicity, gendered-identification, relationship status, perceived penis size, condom malfunction experience, the opinion that men would be less reluctant to use condoms if offered a larger option, the opinion that men with larger penises are more masculine, and the opinion that men who use larger condoms are more masculine on preferences for larger sized condoms. Results of the analysis show that the model was highly predictive of preferences for larger sized condoms, with five out of the nine factors considered having a significant effect. The results indicated that relationship status, perceived penis size, the opinion that men would be less reluctant to use condoms if offered a larger option, the opinion that men with larger penises are more masculine, and the opinion that men who use larger condoms are more masculine significantly predicted larger sized condom preferences. Gender, race/ethnicity (dichotomized as White/non-White), gendered identity, and condom malfunction experience did not significantly predict larger sized condom preferences. Additionally, gender-specific trends were found when the analysis was run independently among men and among women. The implications of these results are discussed and possibilities for subsequent research are suggested.
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Date Issued: 2016
Identifier: CFE0006375, ucf:51526
Format: Document (PDF)
PURL: http://purl.flvc.org/ucf/fd/CFE0006375

Title: Somatechnologies of Body Size Modification: Posthuman Embodiment and Discourses of Health.
Creator: Griffin, Meghan, Bowdon, Melody, Scott, John, Campbell, James, Oliveira, Leonardo, University of Central Florida
Abstract / Description: This project focuses on persistent gaps in philosophies of the body: the enduring mind-body divide in accounts of phenomenology, the unfulfilled promises of representing and inhabiting the body in online and virtual spaces, and the difference between health as quantified in medical discourse versus health as lived experience. These tensions are brought to light through the electronic food journal genre where the difficulty in capturing pre-noetic, outside-consciousness aspects of experience...
Show moreThis project focuses on persistent gaps in philosophies of the body: the enduring mind-body divide in accounts of phenomenology, the unfulfilled promises of representing and inhabiting the body in online and virtual spaces, and the difference between health as quantified in medical discourse versus health as lived experience. These tensions are brought to light through the electronic food journal genre where the difficulty in capturing pre-noetic, outside-consciousness aspects of experience and embodied health are thrown into relief against circulating cultural discourses surrounding health, body size, self-surveillance, and self-care. The electronic food journal genre serves as a space for users to situate themselves and their daily practices in relation to medicalization, public policy, and the conflation of health and body size. These journals form artifacts reflecting life writing practices in digital spaces that model compliant self-surveillance as well as transgressive self-care. The journals instantiate the mind-body-technology interactivity of extended cognition, but also point toward a rupture in the feedback loops that promise to integrate pre-noetic aspects of being and experience. By exploring the tensions inherent in these online food journaling spaces, this project concludes by offering a PEERS heuristic/heuretic for assessing theories and technologies of embodiment and health for their ability to access what resides in the (")remainder(") of current embodiment philosophy and to identify the aspects of lived experience left unattended in USDA health policy, food journaling interfaces, and embodiment philosophy. The PEERS model can be used to evaluate existing technologies for their capacity to map true mind-body-technology interactivity and to build new theory that accounts for a fuller, more nuanced approach to understanding embodied reality and embodied health.
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Date Issued: 2012
Identifier: CFE0004783, ucf:49773
Format: Document (PDF)
PURL: http://purl.flvc.org/ucf/fd/CFE0004783

Title: Determining the Small-scale Structure and Particle Properties in Saturn's Rings from Stellar and Radio Occultations.
Creator: Jerousek, Richard, Colwell, Joshua, Britt, Daniel, Fernandez, Yan, Hedman, Mathew, University of Central Florida
Abstract / Description: Saturn's rings consist of icy particles of various sizes ranging from millimeters to several meters. Particles may aggregate into ephemeral elongated clumps known as self-gravity wakes in regions where the surface mass density and epicyclic frequency give a Toomre critical wavelength which is much larger than the largest individual particles (Julian and Toomre 1966). Optical depth measurements at different wavelengths can be used to constrain the sizes of individual particles (Zebker et al....
Show moreSaturn's rings consist of icy particles of various sizes ranging from millimeters to several meters. Particles may aggregate into ephemeral elongated clumps known as self-gravity wakes in regions where the surface mass density and epicyclic frequency give a Toomre critical wavelength which is much larger than the largest individual particles (Julian and Toomre 1966). Optical depth measurements at different wavelengths can be used to constrain the sizes of individual particles (Zebker et al. 1985, Marouf et al. 1983) while measurements of optical depths spanning many viewing geometries can be used to determine the properties of self-gravity wakes (Colwell et al. 2006, 2007, Hedman et al. 2007, Nicholson and Hedman 2010, Jerousek et al. 2016). Studies constraining the parameters of the assumed power-law particle size distribution have been attempted (Zebker et al. 1985, Marouf et al. 1983) but have not yet accounted for the presence of self-gravity wakes or the much larger elongated particle aggregates seen in Cassini Imaging Subsystem (ISS) images and commonly referred to as (")straw("). We use a multitude of Cassini stellar occultations measured by UVIS (Ultraviolet Imaging Spectrograph) and VIMS (Visual and Infrared Mapping Spectrometer) together with Cassini's RSS (Radio Science Sub System) X-band, Ka-band, and S-band radio occultations to better constrain the particle size distribution throughout Saturn's main ring system, including regions where self-gravity wakes have a significant effect on the measured optical depth of the rings.
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Date Issued: 2018
Identifier: CFE0007019, ucf:52029
Format: Document (PDF)
PURL: http://purl.flvc.org/ucf/fd/CFE0007019

Title: EDUCATION POLICY IN FLORIDA: EXPLAINING COUNTY-LEVEL APPROVAL OF THE 2002 CONSTITUTIONAL AMENDMENTS.
Creator: Friant, Rachel M., Jewett, Aubrey, University of Central Florida
Abstract / Description: This research analyzes county-level support for the 2002 Constitutional Amendments for Voluntary Universal Prekindergarten Education (VPK) and Florida's Amendment to Reduce Class Size (CSA). Three regression models are constructed for each dependent variable (support for VPK and support for CSA): a bivariate model with political party, a full model with all theoretically identified variables, and a best model with just the independent variables that have the most explanatory power. A variety...
Show moreThis research analyzes county-level support for the 2002 Constitutional Amendments for Voluntary Universal Prekindergarten Education (VPK) and Florida's Amendment to Reduce Class Size (CSA). Three regression models are constructed for each dependent variable (support for VPK and support for CSA): a bivariate model with political party, a full model with all theoretically identified variables, and a best model with just the independent variables that have the most explanatory power. A variety of socioeconomic, demographic and political independent variables are tested. Four independent variables had a statistically significant positive relationship with support for both VPK and CSA: Democratic registration, Hispanic population, higher education, and population density.
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Date Issued: 2017
Identifier: CFH2000217, ucf:46060
Format: Document (PDF)
PURL: http://purl.flvc.org/ucf/fd/CFH2000217

Title: A NEW APPROACH TO IDENTIFY THE EXPECTED CRASH PATTERNS BASED ON SIGNALIZED INTERSECTION SIZE AND ANALYSIS OF VEHICLE MOVEMENTS.
Creator: Salkapuram, Hari, Mohamed, Abdel-Aty, University of Central Florida
Abstract / Description: Analysis of intersection crashes is a significant area in traffic safety research. This study contributes to the area by identifying traffic-geometric characteristics and driver demographics that affect different types of crashes at signalized intersections. A simple methodology to estimate crash frequency at intersections based on the size of the intersection is also developed herein. First phase of this thesis used the crash frequency data from 1,335 signalized intersections obtained from...
Show moreAnalysis of intersection crashes is a significant area in traffic safety research. This study contributes to the area by identifying traffic-geometric characteristics and driver demographics that affect different types of crashes at signalized intersections. A simple methodology to estimate crash frequency at intersections based on the size of the intersection is also developed herein. First phase of this thesis used the crash frequency data from 1,335 signalized intersections obtained from six jurisdictions in Florida, namely, Brevard, Seminole, Dade, Orange, and Hillsborough Counties and the City of Orlando. Using these data a simple methodology has been developed to identify the expected number of crashes by type and severity at signalized intersections. Intersection size, based on the total number of lanes, was used as a factor that was simple to identify and a representative of many geometric and traffic characteristics of an intersection. The results from the analysis showed that crash frequency generally increased with the increased size of intersections but the rates of increase differed for different intersection types (i.e., Four-legged intersection with both streets two-way, Four-legged intersection with at least one street one-way, and T-intersections). The results also showed that the dominant type of crashes differed at these intersection types and severity of crashes was higher at the intersections with more conflict points and larger differential in speed limits between major and minor roads. The analysis may potentially be useful for traffic engineers for evaluating safety at signalized intersections in a simple and efficient manner. The findings in this analysis provide strong evidence that the patterns of crashes by type and severity vary with the size and type of intersections. Thus, in future analysis of crashes at intersections, the size and type of intersections should be considered to account for the effects of intersection characteristics on crash frequency. In the second phase, data (crash and intersection characteristics) obtained from individual jurisdictions are linked to the Department of Highway Safety and Motor Vehicles (DHSMV) database to include characteristics of the at-fault drivers involved in crashes. These crashes are analyzed using contingency tables and binary logistic regression models. This study categorizes crashes into three major types based on relative initial movement direction of the involved vehicles. These crash types are, 1) Initial movement in same direction (IMSD) crashes. This crash type includes rear end and sideswipe crashes because the involved vehicles for these crashes would be traveling in the same direction prior to the crash. 2) Initial movement in opposite direction (IMOD) crashes comprising left-turn and head on crashes. 3) Initial movement in perpendicular direction (IMPD) crashes, which include angle and right-turn crashes. Vehicles involved in these crashes would be traveling on different roadways that constitute the intersection. Using the crash, intersection, and at-fault driver characteristics for all crashes as inputs, three logistic regression models are developed. In the logistic regression analyses total number of through lanes at an intersection is used as a surrogate measure to AADT per lane and also intersection type is introduced as a 'predictor' of crash type. The binary logistic regression analyses indicated, among other results, that at intersections with one-way roads, adverse weather conditions, older drivers and/or female drivers increase the likelihood of being at-fault at IMOD crashes. Similar factors associated with other groups of crashes (i.e., IMSD and IMPD) are also identified. These findings from the study may be used to develop specialized training programs by zooming in onto problematic intersections/maneuvers.
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Date Issued: 2006
Identifier: CFE0001208, ucf:46954
Format: Document (PDF)
PURL: http://purl.flvc.org/ucf/fd/CFE0001208

Title: FUNDAMENTAL ASPECTS OF REGENERATIVE CERIUM OXIDE NANOPARTICLES AND THEIR APPLICATIONS IN NANOBIOTECHNOLOGY.
Creator: Patil, Swanand, Seal, Sudipta, University of Central Florida
Abstract / Description: Cerium oxide has been used extensively for various applications over the past two decades. The use of cerium oxide nanoparticles is beneficial in present applications and can open avenues for future applications. The present study utilizes the microemulsion technique to synthesize uniformly distributed cerium oxide nanoparticles. The same technique was also used to synthesize cerium oxide nanoparticles doped with trivalent elements (La and Nd). The fundamental study of cerium oxide...
Show moreCerium oxide has been used extensively for various applications over the past two decades. The use of cerium oxide nanoparticles is beneficial in present applications and can open avenues for future applications. The present study utilizes the microemulsion technique to synthesize uniformly distributed cerium oxide nanoparticles. The same technique was also used to synthesize cerium oxide nanoparticles doped with trivalent elements (La and Nd). The fundamental study of cerium oxide nanoparticles identified variations in properties as a function of particle size and also due to doping with trivalent elements (La and Nd). It was found that the lattice parameter of cerium oxide nanoparticles increases with decrease in particle size. Also Raman allowed mode shift to lower energies and the peak at 464 cm-1 becomes broader and asymmetric. The size dependent changes in cerium oxide were correlated to increase in oxygen vacancy concentration in the cerium oxide lattice. The doping of cerium oxide nanoparticles with trivalent elements introduces more oxygen vacancies and expands the cerium oxide lattice further (in addition to the lattice expansion due to the size effect). The lattice expansion is greater for La-doped cerium oxide nanoparticles compared to Nd-doping due to the larger ionic radius of La compared to Nd, the lattice expansion is directly proportional to the dopant concentration. The synthesized cerium oxide nanoparticles were used to develop an electrochemical biosensor of hydrogen peroxide (H2O2). The sensor was useful to detect H2O2 concentrations as low as 1µM in water. Also the preliminary testing of the sensor on tomato stem and leaf extracts indicated that the sensor can be used in practical applications such as plant physiological studies etc. The nanomolar concentrations of cerium oxide nanoparticles were also found to be useful in decreasing ROS (reactive oxygen species) mediated cellular damages in various in vitro cell cultures. Cerium oxide nanoparticles reduced the cellular damages to the normal breast epithelial cell line (CRL 8798) induced by X-rays and to the Keratinocyte cell line induced by UV irradiation. Cerium oxide nanoparticles were also found to be neuroprotective to adult rat spinal cord and retinal neurons. We propose that cerium oxide nanoparticles act as free radical scavenger (via redox reactions on its surface) to decrease the ROS induced cellular damages. Additionally, UV-visible spectroscopic studies indicated that cerium oxide nanoparticles possess auto-regenerative property by switching its oxidation state between Ce3+ and Ce4+. The auto-regenerative antioxidant property of these nanoparticles appears to be a key component in all the biological applications discussed in the present study.
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Date Issued: 2006
Identifier: CFE0001271, ucf:46932
Format: Document (PDF)
PURL: http://purl.flvc.org/ucf/fd/CFE0001271

Title: EFFECT OF ANNEALING ON COPPER THIN FILMS:THE CLASSICAL SIZE EFFECT AND AGGLOMERATION.
Creator: Gadkari, Parag, Sundaram, Kalpathy, University of Central Florida
Abstract / Description: With continued shrinking of CMOS technology to reduce the gate delay times, an increase in the resistivity of the metal corresponding to the wire dimension is a concern. This phenomenon of increase in resistivity with decreasing dimension of the thin metallic film or interconnect is known as the "classical size effect". Various theories have been postulated to explain the phenomenon of classical size effect; these theories can be broadly classified as resistivity due to scattering arising...
Show moreWith continued shrinking of CMOS technology to reduce the gate delay times, an increase in the resistivity of the metal corresponding to the wire dimension is a concern. This phenomenon of increase in resistivity with decreasing dimension of the thin metallic film or interconnect is known as the "classical size effect". Various theories have been postulated to explain the phenomenon of classical size effect; these theories can be broadly classified as resistivity due to scattering arising from surface and grain boundaries. The total resistivity of metals depends on the electron scattering due to impurities, phonons, surfaces, grain boundaries, and other crystal defects. Managing the size effect in a practical and manufacturing way is of major concern to the microelectronics industry. Since each of the processes (phonon, surface and grain boundary scattering) adds to the resistivity and are interrelated, it further complicates managing the size effect. However, these effects have been separately studied. In this work, the effect of annealing on the classical size effect in Cu thin films deposited on SiO2 substrate is investigated. Polycrystalline Cu thin films having thicknesses in the range of 10nm to 200nm were ultra high vacuum sputter deposited on thermally grown SiO2 surfaces. The films were annealed at temperatures in the range of 150°C to 800°C in argon and argon+3% hydrogen gases. The un-annealed Cu thin films exhibit higher resistivity than the annealed films. The resistivities of un-annealed films were in good agreement with Mayadas and Shatzkes model. When annealed the films undergoes grain growth resulting in lowering the resistivities by about 20%-30% thereby confirming the role of grain size on resistivity of the film. However, there is a limit to annealing, i.e. agglomeration phenomenon. Agglomeration is a thermally activated process resulting in a reduction of the free energy of the film–substrate system and can occur well below the melting point of the material by surface and interfacial diffusion. The reduction of film-substrate interfacial energy, film-surface interfacial energy and stresses within the film are possible driving forces for agglomeration. This work also includes the study of agglomeration phenomenon. The agglomeration behavior of Cu is investigated and compared with that of Ru, Au and Pt thin films with thicknesses in the range of 10 nm to 100 nm UHV deposited on thermally grown SiO2 substrate. The films were annealed at temperatures in the range of 150°C to 800°C in argon and argon+3% hydrogen gases. Scanning electron microscopy was used to investigate the agglomeration behavior, and transmission electron microscopy was used to characterize the microstructure of the as-deposited and annealed films. The agglomeration sequence in all the films is found to follow a two step process of void nucleation and void growth. However, void growth in Au and Pt thin films is different from Cu and Ru thin films. Residual stress and adhesion were observed to play important part in deciding the mode of void growth in Au and Pt thin films. Lastly, it is also observed that the tendency for agglomeration can be reduced by encapsulating the metal film with an oxide overlayer, which in turn improves the resistivity of the thin film due to prolonged grain growth without film breakup.
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Date Issued: 2005
Identifier: CFE0000496, ucf:46363
Format: Document (PDF)
PURL: http://purl.flvc.org/ucf/fd/CFE0000496

Title: APPLICATION OF STATISTICAL METHODS IN RISK AND RELIABILITY.
Creator: Heard, Astrid, Pensky, Marianna, University of Central Florida
Abstract / Description: The dissertation considers construction of confidence intervals for a cumulative distribution function F(z) and its inverse at some fixed points z and u on the basis of an i.i.d. sample where the sample size is relatively small. The sample is modeled as having the flexible Generalized Gamma distribution with all three parameters being unknown. This approach can be viewed as an alternative to nonparametric techniques which do not specify distribution of X and lead to less efficient procedures....
Show moreThe dissertation considers construction of confidence intervals for a cumulative distribution function F(z) and its inverse at some fixed points z and u on the basis of an i.i.d. sample where the sample size is relatively small. The sample is modeled as having the flexible Generalized Gamma distribution with all three parameters being unknown. This approach can be viewed as an alternative to nonparametric techniques which do not specify distribution of X and lead to less efficient procedures. The confidence intervals are constructed by objective Bayesian methods and use the Jeffreys noninformative prior. Performance of the resulting confidence intervals is studied via Monte Carlo simulations and compared to the performance of nonparametric confidence intervals based on binomial proportion. In addition, techniques for change point detection are analyzed and further evaluated via Monte Carlo simulations. The effect of a change point on the interval estimators is studied both analytically and via Monte Carlo simulations.
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Date Issued: 2005
Identifier: CFE0000736, ucf:46565
Format: Document (PDF)
PURL: http://purl.flvc.org/ucf/fd/CFE0000736

Title: CLASSICAL SIZE EFFECT IN CU THIN FILMS: IMPACT OF SURFACE AND GRAIN BOUNDARY SCATTERING ON RESISTIVITY.
Creator: Sun, Tik, Coffey, Kevin, University of Central Florida
Abstract / Description: Surface and grain boundary electron scattering contribute significantly to resistivity as the dimensions of polycrystalline metallic conductors are reduced to, and below, the electron mean free path. A quantitative measurement of the relative contributions of surface and grain boundary scattering to resistivity is very challenging, requiring not only the preparation of suitably small conductors having independent variation of the two relevant length scales, namely, the sample critical...
Show moreSurface and grain boundary electron scattering contribute significantly to resistivity as the dimensions of polycrystalline metallic conductors are reduced to, and below, the electron mean free path. A quantitative measurement of the relative contributions of surface and grain boundary scattering to resistivity is very challenging, requiring not only the preparation of suitably small conductors having independent variation of the two relevant length scales, namely, the sample critical dimension and the grain size, but also independent experimental quantification of these two length scales. In most work to date the sample grain size has been either assumed equal to conductor dimension or measured for only a small number of grains. Thus, the quantification of the classical size effect still suffers from an uncertainty in the relative contributions of surface and grain boundary scattering. In this work, a quantitative analysis of both surface and grain boundary scattering in Cu thin films with independent variation of film thickness (27 nm to 158 nm) and grain size (35 nm to 425 nm) in samples prepared by sub-ambient temperature film deposition followed by annealing is reported. Film resistivities of carefully characterized samples were measured at both room temperature and at 4.2 K and were compared with several scattering models that include the effects of surface and grain boundary scattering. Grain boundary scattering is found to provide the strongest contribution to the resistivity increase. However, a weaker, but significant, role is also observed for surface scattering. Several of the published models for grain boundary and surface scattering are explored and the Matthiessen's rule combination of the Mayadas and Shatzkes' model of grain boundary scattering and Fuchs and Sondheimer's model of surface scattering resistivity contributions is found to be most appropriate. It is found that the experimental data are best described by a grain boundary reflection coefficient of 0.43 and a surface specularity coefficient of 0.52. This analysis finds a significantly lower contribution from surface scattering than has been reported in previous works, which is in part due to the careful quantitative microstructural characterization of samples performed. The data does suggest that there is a roughness dependence to the surface scattering, but this was not conclusively demonstrated. Voids and impurities were found to have negligible impact on the measured resistivities of the carefully prepared films.
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Date Issued: 2009
Identifier: CFE0002959, ucf:47949
Format: Document (PDF)
PURL: http://purl.flvc.org/ucf/fd/CFE0002959

Title: BUFFER TECHNIQUES FOR STOCHASTIC RESOURCE CONSTRAINED PROJECT SCHEDULING WITH STOCHASTIC TASK INSERTIONS PROBLEMS.
Creator: Grey, Jennifer, Armacost, Robert, University of Central Florida
Abstract / Description: Project managers are faced with the challenging task of managing an environment filled with uncertainties that may lead to multiple disruptions during project execution. In particular, they are frequently confronted with planning for routine and non-routine unplanned work: known, identified, tasks that may or may not occur depending upon various, often unpredictable, factors. This problem is known as the stochastic task insertion problem, where tasks of deterministic duration occur...
Show moreProject managers are faced with the challenging task of managing an environment filled with uncertainties that may lead to multiple disruptions during project execution. In particular, they are frequently confronted with planning for routine and non-routine unplanned work: known, identified, tasks that may or may not occur depending upon various, often unpredictable, factors. This problem is known as the stochastic task insertion problem, where tasks of deterministic duration occur stochastically. Traditionally, project managers may include an extra margin within deterministic task times or an extra time buffer may be allotted at the end of the project schedule to protect the final project completion milestone. Little scientific guidance is available to better integrate buffers strategically into the project schedule. Motivated by the Critical Chain and Buffer Management approach of Goldratt, this research identifies, defines, and demonstrates new buffer sizing techniques to improve project duration and stability metrics associated with the stochastic resource constrained project scheduling problem with stochastic task insertions. Specifically, this research defines and compares partial buffer sizing strategies for projects with varying levels of resource and network complexity factors as well as the level and location of the stochastically occurring tasks. Several project metrics may be impacted by the stochastic occurrence or non-occurrence of a task such as the project makespan and the project stability. New duration and stability metrics are developed in this research and are used to evaluate the effectiveness of the proposed buffer sizing techniques. These "robustness measures" are computed through the comparison of the characteristics of the initial schedule (termed the infeasible base schedule), a modified base schedule (or as-run schedule) and an optimized version of the base schedule (or perfect knowledge schedule). Seven new buffer sizing techniques are introduced in this research. Three are based on a fixed percentage of task duration and the remaining four provide variable buffer sizes based upon the location of the stochastic task in the schedule and knowledge of the task stochasticity characteristic. Experimental analysis shows that partial buffering produces improvements in the project stability and duration metrics when compared to other baseline scheduling approaches. Three of the new partial buffering techniques produced improvements in project metrics. One of these partial buffers was based on a fixed percentage of task duration and the other two used a variable buffer size based on knowledge of the location of the task in the project network. This research provides project schedulers with new partial buffering techniques and recommendations for the type of partial buffering technique that should be utilized when project duration and stability performance improvements are desired. When a project scheduler can identify potential unplanned work and where it might occur, the use of these partial buffer techniques will yield a better estimated makespan. Furthermore, it will result in less disruption to the planned schedule and minimize the amount of time that specific tasks will have to move to accommodate the unplanned tasks.
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Date Issued: 2007
Identifier: CFE0001584, ucf:52850
Format: Document (PDF)
PURL: http://purl.flvc.org/ucf/fd/CFE0001584

Title: THERMO-MECHANICAL CHARACTERIZATION OF HIGH-TEMPERATURE SHAPE MEMORY NI-TI-PD WIRES.
Creator: Fox, Matthew, Vaidyanathan, Rajan, University of Central Florida
Abstract / Description: Actuator applications of shape memory alloys have typically been limited by their phase transformation temperatures to around 100 degrees C. However, recently with a focus on aerospace and turbomachinery applications there have been successful efforts to increase the phase transformation temperatures. Several of these alloy development efforts have involved ternary and quaternary elemental additions (e.g., Pt, Pd, etc.) to binary NiTi alloys. Experimentally assessing the effects of varying...
Show moreActuator applications of shape memory alloys have typically been limited by their phase transformation temperatures to around 100 degrees C. However, recently with a focus on aerospace and turbomachinery applications there have been successful efforts to increase the phase transformation temperatures. Several of these alloy development efforts have involved ternary and quaternary elemental additions (e.g., Pt, Pd, etc.) to binary NiTi alloys. Experimentally assessing the effects of varying composition and thermo-mechanical processing parameters can be cost intensive, especially when expensive, high-purity elemental additions are involved. Thus, in order to save on development costs there is value in establishing a methodology that facilitates the fabrication, processing and testing of smaller specimens, rather than larger specimens from commercial billets. With the objective of establishing such a methodology, this work compares thermo-mechanical test results from bulk dog-bone tensile Ni29.5Ti50.5Pd20 samples (7.62 mm diameter) with that of thin wires (100 μm-150 µm diameter) extracted from comparable, untested bulk samples by wire electrical-discharge machining (EDM). The wires were subsequently electropolished to different cross-sections, characterized with Scanning Electron Microscopy, Transmission Electron Microscopy and Energy Dispersive X-Ray Spectroscopy to verify the removal of the heat affected zone following EDM and subjected to Laser Scanning Confocal Microscopy to accurately determine their cross-sections before thermo-mechanical testing. Stress-strain and load-bias experiments were then performed on these wires using a dynamic mechanical analyzer and compared with results established in previous studies for comparable bulk tensile specimens. On comparing the results from a bulk tensile sample with that of the micron-scale wires, the overall thermomechanical trends were accurately captured by the micron-scale wires for both the constrained recovery and monotonic tensile tests. Specifically, there was good agreement between the stress-strain response in both the martensitic and austenitic phases, the transformation strains at lower stresses in constrained recovery, and the transformation temperatures at higher stresses in constrained recovery. This work thus validated that carefully prepared micron-diameter samples can be used to obtain representative bulk thermo-mechanical properties, and is useful for fabricating and optimizing composition and thermo-mechanical processing parameters in prototype button melts prior to commercial production. This work additionally assesses potential applications of high temperature shape memory alloy actuator seals in turbomachinery. A concept for a shape memory alloy turbine labyrinth seal is also presented. Funding support from NASA's Fundamental Aeronautics Program, Supersonics Project (NNX08AB51A) and Siemens Energy is acknowledged.
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Date Issued: 2009
Identifier: CFE0002813, ucf:48102
Format: Document (PDF)
PURL: http://purl.flvc.org/ucf/fd/CFE0002813

Cu (3)	+ -
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