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 7 of 7 for “"Space conditions"”.
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Effect of space conditions on neuronal plasticity and connectivity
… nature of mankind. In 1957, the first rocket in space opened a new era for space traveling towards other planets. Concomitantly, a wide range of concerns related to human health risks that could occur during spaceflight was raised. Up to now, a large number of experiments has been performed to …
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Examining 3D Printed Antennas For Space Based Applications
… the possibility of using 3D printed antennas for space applications has been researched very little. The harsh space environment makes material selection an important factor in designing for space applications. Depending on location of the orbit of interest, there are several factors that must be …
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Contributions to the theory of generalized inverses, the linear model and outliers
Column-space conditions are shown to be at the heart of a number of identities linking generalized inverses of rectangular matrices. These identities give some new insights into reparametrizations of the general linear model, and into the imposition of constraints, when the variance-covariance …
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Development of a Parallel Electrostatic PIC Code for Modeling Electric Propulsion
… will allow Coliseum to run simulations of spacecraft-plasma interactions in domain large enough to reproduce space conditions. The parallel code ran on two of the world fastest supercomputers, the NASA JPL Cosmos supercomputer ranked 37th on the TOP500 list and Virginia Tech's System X, …
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Evaluation of diamond-like carbon films for lubrication in space
… for lubrication of mechanisms operating in space are widely used because of the rather severe operating conditions. These include the presence of an ultrahigh vacuum, a wide operating temperature range, an absent of gravity, a lack of oxygen, and ionising radiation. Currently, sputtered …
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Characterization of liquid crystal on silicon SLMs for in-situ Raman imaging for quality control of processed lunar regolith
… (ISRU) will be of great importance for future space missions. Some mission projects will only be possible through the integration of resources gathered during the mission. The use of lunar regolith as a construction and shielding material is particularly important in this context. Sintering or …
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Enabling Hybrid Optical-Microwave Space Communications with Optically Transparent RF Components Using Indium Tin Oxide (ITO)
<p>Over the last decade, spacecraft have increasingly integrated both microwave and optical communication systems, driving the need for electrically conductive and optically transparent materials. This study presents a comprehensive examination of advanced electromagnetic characterization …