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Wall interference tests of a CAST 10-2/DOA 2 airfoil in an adaptive-wall test sectionA wind-tunnel investigation of a CAST 10-2/DOA 2 airfoil model has been conducted in the adaptive-wall test section of the Langley 0.3-Meter Transonic Cryogenic Tunnel (TCT) and in the National Aeronautical Establishment High Reynolds Number Two-Dimensional Test Facility. The primary goal of the tests was to assess two different wall-interference correction techniques: adaptive test-section walls and classical analytical corrections. Tests were conducted over a Mach number range from 0.3 to 0.8 and over a chord Reynolds number range from 6 million to 70 million. The airfoil aerodynamic characteristics from the tests in the 0.3-m TCT have been corrected for wall interference by the movement of the adaptive walls. No additional corrections for any residual interference have been applied to the data, to allow comparison with the classically corrected data from the same model in the conventional National Aeronautical Establishment facility. The data are presented graphically in this report as integrated force-and-moment coefficients and chordwise pressure distributions.
Document ID
19880001390
Acquisition Source
Legacy CDMS
Document Type
Technical Memorandum (TM)
Authors
Mineck, Raymond E. (NASA Langley Research Center Hampton, VA, United States)
Date Acquired
September 5, 2013
Publication Date
December 1, 1987
Subject Category
Aerodynamics
Report/Patent Number
L-16334
NAS 1.15:4015
NASA-TM-4015
Accession Number
88N10772
Funding Number(s)
PROJECT: RTOP 505-61-01-02
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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