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Prediction of low frequency and impulsive sound radiation from horizontal axis wind turbinesTheoretical models to predict the radiation of low frequency and impulsive sound from horizontal axis wind turbines due to three sources: (1) steady blade loads; (2) unsteady blade loads due to operation in a ground shear; (3) unsteady loads felt by the blades as they cross the tower wake. These models are then used to predict the acoustic output of MOD-1, the large wind turbine operated near Boone, N.C. Predicted acoustic time signals are compared to those actually measured near MOD-1 and good agreement is obtained.
Document ID
19820015853
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Martinez, R. (Massachusetts Inst. of Tech. Cambridge, MA, United States)
Widnall, S. E. (Massachusetts Inst. of Tech. Cambridge, MA, United States)
Harris, W. L. (Massachusetts Inst. of Tech. Cambridge, MA, United States)
Date Acquired
August 10, 2013
Publication Date
May 1, 1981
Publication Information
Publication: NASA. Lewis Research Center Wind Turbine Dyn.
Subject Category
Energy Production And Conversion
Accession Number
82N23729
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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