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Evaluation of methods of reducing community noise impact around San Jose municipal airportA computer simulation of the airport noise impact on the surrounding communities was used to evaluate alternate operational procedures, improved technology, and land use conversion as methods of reducing community noise impact in the airport vicinity. In addition, a constant density population distribution was analyzed for possible application to other airport communities with fairly uniform population densities and similar aircraft operational patterns. The introduction of sound absorption material (SAM) was found to reduce community noise annoyance by over 25 percent, and the introduction of refan was found to reduce community annoyance by over 60 percent. Replacing the present aircraft was found to reduce the noise problem to very small proportions, and the introduction of an advanced technology twin was found to essentially eliminate the community noise problem.
Document ID
19770010884
Acquisition Source
Legacy CDMS
Document Type
Technical Memorandum (TM)
Authors
Glick, J. M. (Stanford Univ. Calif., United States)
Shevell, R. S. (Stanford Univ. Calif., United States)
Bowles, J. V. (NASA Ames Research Center Moffett Field, CA, United States)
Date Acquired
September 3, 2013
Publication Date
November 1, 1975
Subject Category
Acoustics
Report/Patent Number
A-6346
NASA-TM-X-73077
Accession Number
77N17828
Funding Number(s)
PROJECT: RTOP 791-40-03
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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