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Experiment versus theoryHigh speed compressibility noise and vortex interaction noise, which are aerodynamically generated noise sources, were investigated. Noise generating mechanisms were identified. Linear and nonlinear theory were compared and are in agreement with data on amplitude and wave forms. The interaction area between the acoustic planform and blade/vortex interaction lines are examined.
Document ID
19840021610
Acquisition Source
Legacy CDMS
Document Type
Other
Authors
Schmitz, F. H. (NASA Ames Research Center Moffett Field, CA, United States)
Yu, Y. H. (NASA Ames Research Center Moffett Field, CA, United States)
Boxwell, D. A. (NASA Ames Research Center Moffett Field, CA, United States)
Date Acquired
August 12, 2013
Publication Date
July 1, 1982
Publication Information
Publication: NASA. Langley Research Center Rotorcraft Noise
Subject Category
Acoustics
Accession Number
84N29679
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.
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IDRelationTitle19840021593Collected WorksRotorcraft Noise
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