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Acoustic radiation from lined unflanged ducts: Directivity index programFor abstract, see N75-28849.
Document ID
19750020777
Acquisition Source
Legacy CDMS
Document Type
Contractor Report (CR)
Authors
Beckemeyer, R. J.
(Boeing Co. Wichita, KS, United States)
Sawdy, D. T.
(Boeing Co. Wichita, KS, United States)
Date Acquired
September 3, 2013
Publication Date
December 12, 1971
Subject Category
Acoustics
Report/Patent Number
D3-8611-2
NASA-CR-120850
Report Number: D3-8611-2
Report Number: NASA-CR-120850
Accession Number
75N28850
Funding Number(s)
CONTRACT_GRANT: NAS3-14321
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.
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