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Multistep approach quiets helicopter cockpit; noise cut 10 dB by using a damping composite, limp mass barrier, and sound-absorbing foam

Authors :
Yeaple, Frank
Source :
Design News. August 20, 1990, Vol. v46 Issue n16, p210, 2 p.
Publication Year :
1990

Subjects

Subjects :
Foamed materials -- Usage
Noise control -- Equipment and supplies
Military helicopters
Noise control -- Innovations
Soundcoat Company Inc. -- Innovations

Details

ISSN :
00119407
Volume :
v46
Issue :
n16
Database :
Gale General OneFile
Journal :
Design News
Publication Type :
Periodical
Accession number :
edsgcl.9313543

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