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    Reduction of background noise induced by wind tunnel jet exit vanes (1985)
    In:  Other Sources
    Details
    Publication Date: 2011-08-19
    Description: The NASA-Langley 4 x 7 m wind tunnel develops low frequency flow pulsations at certain velocity ranges during open throat mode operation, affecting the aerodynamics of the flow and degrading the resulting model test data. Triangular vanes attached to the trailing edge of flat steel rails, mounted 10 cm from the inside of the jet exit walls, have been used to reduce this effect; attention is presently given to methods used to reduce the inherent noise generation of the vanes while retaining their pulsation reduction features.
    Keywords: ACOUSTICS
    Type: AIAA Journal (ISSN 0001-1452); 23; 1631
    Format: text
    Location Call Number Expected Availability
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