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Predicted Shock Envelopes about Two Types of Vehicles at Large Angles of AttackMethods based on oblique - and normal-shock relationships and the continuity of mass flow through suitably chosen volume elements between the shock and body were developed t o predict shock envelopes about two types of vehicles being considered for atmosphere entry. One type is a high-drag capsule shape. The other type is essentially a slender tri- angular wing capable of providing high lift or high drag, depending on the angle of attack. Predicted and measured shock envelopes were compared f o Mach number range of 3 to 15 for vehicles at high angles of attack; good agreement was found. Most of the available experimental data were in a speed and temperature range in which no important real-gas effects occurred.
Document ID
20040006456
Acquisition Source
Langley Research Center
Document Type
Other - NASA Technical Note (TN)
Authors
Kaattari, George E. (NASA Ames Research Center Moffett Field, CA, United States)
Date Acquired
August 21, 2013
Publication Date
April 1, 1961
Subject Category
Spacecraft Design, Testing And Performance
Report/Patent Number
A-491
NASA-TN-D-860
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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