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Test Section Turbulence in the AEDC/VKF Supersonic/Hypersonic Wind Tunnels

Report Number: AEDC TR 81-5
Author: Strike, W. T., Jr.
Author: Donaldson, J. C.
Author: Beale, D. K.
Corporate Author: Arnold Engineering Development Center
Date of Publication: 1981-07-01
Pages: 167
Contract: None Given
Project: None Given
AD Number: ADA102615

Free-stream fluctuation measurements were made in the 40-in. Supersonic Tunnel (A) (at Mach numbers 1.5, 2, 3, 4, and 5) and in the 50-in. Hypersonic Tunnel (B) (at Mach numbers 6 and 8) of the von Karman Gas Dynamics Facility, Arnold Engineering Development Center, using a hot-wire anemometer probe and a dynamic pitot pressure probe. Supplementary surface pressure fluctuation measurements were made on a flat plate model, on the surface of a slender cone model, and in Tunnel A on the stilling chamber and nozzle walls. The results are presented and discussed, and the anemometer and dynamic pitot pressure measurements are compared.

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