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A compact inflow control device for simulating flight fan noiseInflow control device (ICD's) of various shapes and sizes have been used to simulate inflight fan tone noise during ground static tests. A small, simple inexpensive ICD design was optimized from previous design and fabrication techniques. This compact two-fan-diameter ICD exhibits satisfactory acoustic performance characteristics without causing noise attenuation or redirection. In addition, it generates no important new noise sources. Design and construction details of the compact ICD are discussed and acoustic performance test results are presented.
Document ID
19830046787
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Homyak, L.
Mcardle, J. G.
Heidelberg, L. J. (NASA Lewis Research Center Cleveland, OH, United States)
Date Acquired
August 11, 2013
Publication Date
April 1, 1983
Subject Category
Acoustics
Report/Patent Number
AIAA PAPER 83-0680
Report Number: AIAA PAPER 83-0680
Meeting Information
Meeting: American Institute of Aeronautics and Astronautics, Aeroacoustics Conference
Location: Atlanta, GA
Start Date: April 11, 1983
End Date: April 13, 1983
Sponsors: American Institute of Aeronautics and Astronautics
Accession Number
83A28005
Distribution Limits
Public
Copyright
Other

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