Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 20 for “"Kennedy Space Center"”.
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Extreme Value Analysis of Rainfall Events Over the Kennedy Space Center Complex
… high-density rainfall dataset from NASA Kennedy Space Center’s observational network. This data was acquired through the Tropical Rainfall Measurement Mission archive website. The researcher employed the National Center for Atmospheric Research’s Extremes statistical software package for …
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Extreme Value Analysis of Rainfall Events Over the Kennedy Space Center Complex
… high-density rainfall dataset from NASA Kennedy Space Center’s observational network. This data was acquired through the Tropical Rainfall Measurement Mission archive website. The researcher employed the National Center for Atmospheric Research’s Extremes statistical software package for …
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How Geographic Proximity to the Kennedy Space Center Effects Attitudes Relating to NASA
… a potentially dangerous situation for American space exploration and NASA. Given the budget situation, it may be beneficial for NASA to look to its existing geographic footprint for areas of deeper support to provide elected leaders with an electoral justification to support NASA missions. The …
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Effects of Elevated Atmospheric CO2 on Root Dynamics, Biomass and Architecture in a Scrub-Oak Ecosystem at Kennedy Space Center, Florida
… CO<sub>2</sub> for the past eleven years at Kennedy Space Center, Florida. No significant sustained CO<sub>2</sub> treatment effects were observed in fine root length density, due to root closure. Root density at lower depths increased to match abundance levels observed in the upper portions …
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Forecasting The Onset Of Cloud-ground Lightning Using S-pol And Nldn Data
… also responsible for delays and cancellations of space shuttle launch attempts at the Kennedy Space Center (KSC) and the 45th Space Wing unmanned launches at Cape Canaveral launch facilities. For these and other reasons accurate forecasting of cloud-ground lightning is of crucial importance. The …
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Air Circulation Under Reduced Atmospheric Pressures
… Low</p> <p>Pressure Test Bed (LPTB) Chamber at Kennedy Space Center. Data from those sensors</p> <p>became non-linear at various pressures below 25 kPa. We introduced mathematical</p> <p>calibration corrections and found that sensor data linearity could be extended to a greater</p> <p>range of …
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'a Man's World'?: A Study Of Female Workers At Nasa's Kennedy Space C
By focusing on women workers at NASA's Kennedy Space Center in Florida, this study seeks to understand why women were initially congregated in certain occupations such as clerical work and later moved into non-traditional jobs such as engineering and the sciences. Such an investigation requires …
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Habitat Use And Seasonal Activity Of Selected Snakes On John F. Kenned
… four habitat types was conducted at John F. Kennedy Space Center, Brevard County, Florida from November 2002 through October 2003. Thirteen species (580 individuals plus 74 recaptures) plus one hybrid were captured. The three most commonly captured species, Coluber constrictor, Thamnophis …
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Modeling, Design, and Assembly of Spring Tires
… is paramount. Created by NASA Glenn Research Center, the spring tire is a compliant airless tire engineered for planetary rover missions in lunar and Martian environments. It consists of hundreds of coiled springs woven together to create a toroidal-shaped mesh wheel that can deform to uneven …
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The hardest to achieve, the easiest to imagine: an examination of predictions about outer space during The Space Race in the Huntsville Times, Houston Chronicle, and Orlando Sentinel
… years humans have made predictions about outer space in fictional and non-fictional works. On October 4, 1957, the Soviet Union proved space exploration was possible with the launch of the first artificial Earth satellite, Sputnik I. This event marked the beginning of The Space Race, a fierce …
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Development Of A Knowledge Management Model In Large-scale International Space Science Projects
… partners involved in a large-scale international space science project (LISSP) – the International Space Station (ISS), which is currently under assembly and testing at the Kennedy Space Center, Florida. The research methodology employed documentation review, individual interviews and surveys of …
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Influence Map Methodology For Evaluating Systemic Safety Issues
… were developed for several safety incidents at Kennedy Space Center. An independent assessment was conducted by a team of experts using the new dual role taxonomy and influence chain methodology to evaluate the accuracy and completeness of contributing factors identified during the formal …
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Adsorption of hydrogen chloride on microcrystalline silica
The National Aeronautics and Space Administration's Space Shuttle employs a solid rocket propellant. Combustion of the solid propellant produces hydrogen chloride as one of the major products. In this thesis, the hydrogen chloride/silica system was investigated. Silica was chosen as a model …
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New Optimal High Efficiency Dsp-based Digital Controller Design For Super High-speed Permanent Magnet Synchronous Motor
… of Central Florida with support from NASA Kennedy Space Center and the Florida Solar Energy Center. Advanced motor design methods, control strategies, and rapid progress in semiconductor technology enables production of a highly efficient digital controller. However, there are still …
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Design, Fabrication And Testing Of A Shape Memory Alloy Based Cryogenic Thermal Conduction Switch
… and zero boil-off systems for advanced spaceport applications. The SMA thermal conduction switch offers the following advantages over the currently used gas gap and liquid gap thermal switches in the cryogenic range: (i) integrates both sensor and actuator elements thereby reducing the …
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Damage Detection Methodologies For Structural Health Monitoring of Thin-Walled Pressure Vessels
… current and future implementation of COPVs for space missions. In this study, the research was conducted in collaboration with NASA Kennedy Space Center and also NASA Marshall Space and Flight Center engineers. COPVs have been used to store inert gases like helium (for propulsion) and nitrogen …
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Recovery Of Hydrogen And Helium From Their Mixtures Using Metal Hydrides
… hydrogen and helium mixtures are produced at the Kennedy Space Center during purging of the hydrogen systems and supply lines. This process is done prior to and after hydrogen servicing. The purged waste gases are lost to the atmosphere, resulting in an annual loss of 2 million and 0.1 million …
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Study For Development Of A Blast Layer For The Virtual Range Project
… impact of an explosive accident of the Space Shuttle during the first ten seconds after launch at Kennedy Space Center. The blast-related risk associated with an explosion at this stage is high because of the quantity of energy involved in both multiple and complex processes. To do this, …
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Effects of Elevated Atmospheric CO2 on Root Growth, Turnover and Decomposition in a Scrub Oak Ecosystem
… treatments in an oak-palmetto scrub ecosystem at Kennedy Space Center, Florida. Minirhizotron tubes were installed in each elevated and control chamber to allow observation of roots. Each tube was sampled for root length density (mm cm<sup>−2</sup>) every three months. Carbon dioxide enrichment of …
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Numerical Modeling Of Lightning Initiation And Stepped Leader Propagation
… a network of ten E-change sensors located at Kennedy Space Center. Locations (x,y,z,t) of IBPs were found using a time-of-arrival technique called PBFA. Location errors were determined from Monte Carlo simulations and were usually less than 100 m for horizontal coordinates and several hundreds …