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Study Of Helicopter-Tail-Rotor NoiseReport describes findings of experiment in generation of impulsive noise and fluctuating blade loads by helicopter tail rotor interacting with vortexes from main rotor. Experiment used model rotor and isolated vortex and designed to isolate blade/vortex interaction noise from other types of rotor noise.
Document ID
19880000127
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Ahmadi, Ali R.
(Newman, Inc.)
Beranek, Bolt
(Newman, Inc.)
Date Acquired
August 13, 2013
Publication Date
February 1, 1988
Publication Information
Publication: NASA Tech Briefs
Volume: 12
Issue: 2
ISSN: 0145-319X
Subject Category
Machinery
Report/Patent Number
ARC-11677
Accession Number
88B10127
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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