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Effects of Resistive Windscreens and Foam Inserts on The Acoustic Response of an In-Flow Phased Microphone Array The effects of varying windscreen resistance and cavity foam treatments on the acoustic response of an in-flow phased microphone array have been characterized by recent experiments at ARC, GRC, and LaRC using common array and calibration source designs. New correction models have been developed and validated with results from recent impedance tube, anechoic chamber, and wind tunnel tests.
Document ID
20205002967
Acquisition Source
Ames Research Center
Document Type
Conference Paper
Authors
W. Clifton Horne (Ames Research Center Mountain View, California, United States)
Nathan J. Burnside (Ames Research Center Mountain View, California, United States)
Stephen D. Schery (Aerospace Computing, Inc.)
Gary G. Podboy (Glenn Research Center Cleveland, Ohio, United States)
Christopher J. Bahr (Langley Research Center Hampton, Virginia, United States)
Daniel J. Stead (TEAMS3)
William M. Humphreys (Langley Research Center Hampton, Virginia, United States)
Date Acquired
June 1, 2020
Publication Date
June 8, 2020
Publication Information
Subject Category
Acoustics
Meeting Information
Meeting: AIAA SciTech Forum 2021
Location: Nashville, TN
Country: US
Start Date: January 11, 2021
End Date: January 15, 2021
Sponsors: American Institute of Aeronautics and Astronautics
Funding Number(s)
WBS: 081876.02.01.50.12.01
Distribution Limits
Public
Copyright
Public Use Permitted.
Technical Review
External Peer Committee
Keywords
Wind tunnel aeroacoustics research
phased microphone arrays

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