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Aerodynamic comparisons of STS-1 Space Shuttle entry vehicleA conventional flight-test program, which slowly and cautiously approaches more severe flight conditions, was not possible with the Orbiter. On the first flight, the Orbiter entered the atmosphere at Mach 28 and decelerated through the Mach range. (The subsonic portion of flight was also flown by another orbiter vehicle during the Approach and Landing Test Program.) Certification for the first flight was achieved by an extensive wind-tunnel test and analysis program and by restricting the flight maneuvers severely. The initial flights of the orbiter were heavily instrumented for the purpose of obtaining accurate aerodynamic data. Even without maneuvers to excite the system, the first flight provided comparisons between flight and wind-tunnel-derived predicted data in the areas of aerodynamic performance, longitudinal trim, and reaction-control jet interaction. The aerodynamic performance comparisons are presented.
Document ID
19820017328
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Young, J. C.
(NASA Lyndon B. Johnson Space Center Houston, TX, United States)
Date Acquired
August 10, 2013
Publication Date
June 1, 1982
Publication Information
Publication: NASA. Langley Research Center Wind-Tunnel(Flight Correlation, 1981
Subject Category
Aerodynamics
Accession Number
82N25204
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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