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MD-80 aft cabin noise control: A case historyThe interior noise technology program to improve the noise environment in the aft cabin of the MD-80 twin jet aircraft is discussed. Two potential noise control treatments were identified: vibration absorber devices for the airframe and for the engine. A series of ground and flight tests using in-service aircraft was then conducted. These tests showed that the vibration absorbers for the airframe and engine decreased aircraft noise significantly.
Document ID
19920023706
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Lang, M. A. (Douglas Aircraft Co., Inc. Long Beach, CA, United States)
Lorch, D. R. (Douglas Aircraft Co., Inc. Long Beach, CA, United States)
May, D. N. (Douglas Aircraft Co., Inc. Long Beach, CA, United States)
Simpson, M. A. (Douglas Aircraft Co., Inc. Long Beach, CA, United States)
Date Acquired
September 6, 2013
Publication Date
July 1, 1992
Publication Information
Publication: NASA. Langley Research Center, Fourth Aircraft Interior Noise Workshop
Subject Category
Acoustics
Meeting Information
Meeting: Fourth Aircraft Interior Noise Workshop
Location: Friedrichshafen
Country: DE
Start Date: May 19, 1992
End Date: May 20, 1992
Sponsors: Society of Automotive Engineers International, German Aerospace Center, National Aeronautics and Space Administration
Accession Number
92N32950
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.
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