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Unified analysis of ducted turbomachinery noiseThe methodologies of Hanson and Zorumski are combined to yield a unified analysis of ducted turbomachinery noise. It is shown that the far-field broad-band and discrete noise spectral components can be expressed in terms of modal cross-spectral matrices and directivity vectors which are derivable from the duct analysis.
Document ID
19750005794
Document Type
Conference Paper
Authors
Zorumski, W. E. (NASA Langley Research Center Hampton, VA, United States)
Lester, H. C. (NASA Langley Research Center Hampton, VA, United States)
Date Acquired
September 3, 2013
Publication Date
December 16, 1974
Subject Category
AIRCRAFT PROPULSION AND POWER
Report/Patent Number
NASA-TM-X-72633
Meeting Information
88th Meeting of the Acoust. Soc. of Am.(St. Louis, MO)
Funding Number(s)
PROJECT: RTOP 505-03-21-01
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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