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High-speed noise of helicopter rotorsVarious parameters of helicopter rotor noise were considered. Impulsive noise, flow regions of a helicopter rotor, noise prediction, aspect ratio, blade tip shape and speed, and blade-vortex interaction noise were among the topics addressed. Recommendations were also given.
Document ID
19840021604
Acquisition Source
Legacy CDMS
Document Type
Other
Authors
Shenoy, K. R.
(Bell Helicopter Co. Fort Worth, TX, 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
84N29673
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.
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