AIAA 90-2132 - AIAA 90-2169
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Published: 1990
Total Pages: 336
ISBN-13:
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Author:
Publisher:
Published: 1990
Total Pages: 336
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Published: 1992-07
Total Pages: 616
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Publisher:
Published: 1991
Total Pages: 566
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Published: 1992
Total Pages: 148
ISBN-13:
DOWNLOAD EBOOKA selection of annotated references to unclassified reports and journal articles that were introduced into the NASA scientific and technical information system and announced in Scientific and technical aerospace reports (STAR) and International aerospace abstracts (IAA).
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Published: 1999
Total Pages: 934
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Published: 1990
Total Pages: 532
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DOWNLOAD EBOOKAuthor: Clifford K. Ho
Publisher: Springer Science & Business Media
Published: 2006-10-07
Total Pages: 442
ISBN-13: 140203962X
DOWNLOAD EBOOKCLIFFORD K. HOAND STEPHEN W. WEBB Sandia National Laboratories, P. O. Box 5800, Albuquerque, NM 87185, USA Gas and vapor transport in porous media occur in a number of important applications includingdryingofindustrialandfoodproducts,oilandgasexploration,environm- tal remediation of contaminated sites, and carbon sequestration. Understanding the fundamental mechanisms and processes of gas and vapor transport in porous media allows models to be used to evaluate and optimize the performance and design of these systems. In this book, gas and vapor are distinguished by their available states at stan- ? dard temperature and pressure (20 C, 101 kPa). If the gas-phase constituent can also exist as a liquid phase at standard temperature and pressure (e. g. , water, ethanol, toluene, trichlorothylene), it is considered a vapor. If the gas-phase constituent is non-condensable at standard temperature and pressure (e. g. , oxygen, carbon di- ide, helium, hydrogen, propane), it is considered a gas. The distinction is important because different processes affect the transport and behavior of gases and vapors in porous media. For example, mechanisms specific to vapors include vapor-pressure lowering and enhanced vapor diffusion, which are caused by the presence of a g- phase constituent interacting with its liquid phase in an unsaturated porous media. In addition, the “heat-pipe” exploits isothermal latent heat exchange during evaporation and condensation to effectively transfer heat in designed and natural systems.
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Published: 1991
Total Pages: 692
ISBN-13:
DOWNLOAD EBOOKAuthor: Giuseppe Pezzella
Publisher: BoD – Books on Demand
Published: 2019-10-02
Total Pages: 150
ISBN-13: 1839622695
DOWNLOAD EBOOKIn the aviation field there is great interest in high-speed vehicle design. Hypersonic vehicles represent the next frontier of passenger transportation to and from space. However, several design issues must be addressed, including vehicle aerodynamics and aerothermodynamics, aeroshape design optimization, aerodynamic heating, boundary layer transition, and so on. This book contains valuable contributions focusing on hypervelocity aircraft design. Topics covered include hypersonic aircraft aerodynamic and aerothermodynamic design, especially aeroshape design optimization, computational fluid dynamics, and scramjet propulsion. The book also discusses high-speed flow issues and the challenges to achieving the dream of affordable hypersonic travel. It is hoped that the information contained herein will allow for the development of safe and efficient hypersonic vehicles.