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State-of-the-art of turbofan engine noise controlThe technology of turbofan engine noise reduction is surveyed. Specific topics discussed include: (1) new fans for low noise; (2) fan and core noise suppression; (3) turbomachinery noise sources; and (4) a new program for improving static noise testing of fans and engines.
Document ID
19770026222
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Jones, W. L. (NASA Lewis Research Center Cleveland, OH, United States)
Groeneweg, J. F. (NASA Lewis Research Center Cleveland, OH, United States)
Date Acquired
September 3, 2013
Publication Date
October 1, 1977
Subject Category
Aircraft Propulsion And Power
Report/Patent Number
NASA-TM-73734
E-9254
Report Number: NASA-TM-73734
Report Number: E-9254
Meeting Information
Meeting: NOISE-CON 77
Location: Hampton, VA
Country: United States
Start Date: October 17, 1977
End Date: October 19, 1977
Sponsors: Inst. of Noise Control Eng.
Accession Number
77N33166
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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