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Effects of thermochemistry, nonequilibrium, and surface catalysis on the design of hypersonic vehiclesAn account is given of the function of physical aspects of a gas on the characteristics of the flow and of the heating associated with hypersonic flight. At the high temperatures encountered, the thermal and chemical characteristics of the air in a hypersonic vehicle's shock layer are altered in ways which depend on the atomic and molecular structure of N and O and their ions; similar effects exist in scramjet propulsion systems. These properties in turn influence the character of shock waves and expansions, and hence the pressure, temperature, and velocity distributions. Transport properties affecting the boundary-layer structure will also affect heat flux and shear stress.
Document ID
19900034104
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Scott, Carl D.
(NASA Johnson Space Center Houston TX, United States)
Date Acquired
August 14, 2013
Publication Date
January 1, 1989
Subject Category
Aerodynamics
Meeting Information
Meeting: Joint Europe/U.S. Short Course on Hypersonics
Location: Paris
Country: France
Start Date: December 7, 1987
End Date: December 11, 1987
Accession Number
90A21159
Distribution Limits
Public
Copyright
Other

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