Scattering by water waves generated by a moving pressure point

An analysis for scattering of scalar waves in air by a wake on the surface of water is developed. The wake on the water surface is generated as a concentrated pressure point travels over the free water surface. The wake has characteristics resembling a diffraction grating. The grating produces maxim...

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Bibliographic Details
Published in:Journal of applied physics 1973-01, Vol.44 (8), p.3425-3428
Main Authors: Ott, R. H., Hufford, G. A., Howard, A. Q.
Format: Article
Language:English
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Summary:An analysis for scattering of scalar waves in air by a wake on the surface of water is developed. The wake on the water surface is generated as a concentrated pressure point travels over the free water surface. The wake has characteristics resembling a diffraction grating. The grating produces maximum constructive interference (resonance) in the backscattered wave under certain conditions. At resonance the scalar wavelength, water wavelength, and angle of incidence satisfy a simple geometrical condition.
ISSN:0021-8979
1089-7550
DOI:10.1063/1.1662779