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A note on the scattering of sound in jets and the wind

✍ Scribed by M.J. Rudd

Publisher
Elsevier Science
Year
1973
Tongue
English
Weight
533 KB
Volume
26
Category
Article
ISSN
0022-460X

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✦ Synopsis

The theory of the scattering of sound by turbulence, as developed by Tatarski and modified by Monin, is used to calculate the scattering cross sections of two turbulent flows, jets and the wind. The results indicate that strong scattering can occur under quite normal conditions. The strength of the scattering increases quite rapidly with the frequency of the sound and the length scale of the turbulence. The importance of acoustic scattering is then discussed in connection with methods of jet noise reduction and sound "attenuation" by the wind.

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