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Computer program for the attenuation of high bypass turbofan engine noiseTwo computer programs determine effect of boundary layer on attenuation of sound in a circular duct lined with material used in noise suppresion in fan inlet and exhaust ducts of turbofan engines.
Document ID
19750000242
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Veldman, H. F. (Boeing Co.)
Date Acquired
August 8, 2013
Publication Date
October 1, 1975
Subject Category
Mathematics And Information Sciences
Report/Patent Number
LEW-12179
Report Number: LEW-12179
Accession Number
75B10242
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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