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NASA/GE quiet engine C acoustic test resultsThe acoustic investigation and evaluation of the C propulsion turbofan engine are discussed. The engine was built as a part of the Quiet Engine Program. The objectives of the program are as follows: (1) to determine the noise levels produced turbofan bypass engines, (2) to demonstrate the technology and innovations which will reduce the production and radiation of noise in turbofan engines, and (3) to acquire experimental acoustic and aerodynamic data for high bypass turbofan engines to provide a better understanding of noise production mechanisms. The goals of the program called for a turbofan engine 15 to 20 PNdB quieter than currently available engines in the same thrust class.
Document ID
19740014295
Acquisition Source
Legacy CDMS
Document Type
Contractor Report (CR)
Authors
Kazin, S. B. (General Electric Co. Evendale, OH, United States)
Pass, J. E. (General Electric Co. Evendale, OH, United States)
Date Acquired
September 3, 2013
Publication Date
April 1, 1974
Subject Category
Propulsion Systems
Report/Patent Number
NASA-CR-121176
R73AEG364
Accession Number
74N22408
Funding Number(s)
CONTRACT_GRANT: NAS3-12430
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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