Study of nonlinear currents induced by coincident surface waves in liquid

This is an experimental study of the mixing induced by coincident surface waves in a liquid. The main mechanism leading to the emergence of mixing was shown to be the middle currents generated by coincident waves. The regime of these currents strongly depends on the amplitude of surface waves. For w...

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Bibliographic Details
Published in:Izvestiya. Atmospheric and oceanic physics 2009-12, Vol.45 (6), p.791-798
Main Authors: Ermakova, O. S., Mal’kov, Yu. A., Sergeev, D. A., Troitskaya, Yu. I.
Format: Article
Language:English
Subjects:
Climatology
Earth and Environmental Science
Earth Sciences
Geophysics/Geodesy
Liquids
Marine
Nonlinear equations
Surface waves
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Summary:This is an experimental study of the mixing induced by coincident surface waves in a liquid. The main mechanism leading to the emergence of mixing was shown to be the middle currents generated by coincident waves. The regime of these currents strongly depends on the amplitude of surface waves. For waves of near-critical amplitudes, an intense turbulization of middle currents is observed. Patterns of the velocity field were obtained using the Particle Imaging Velocimetry (PIV) technique for different amplitudes of surface waves. The results obtained can be used to estimate mixing in the near-surface oceanic layer.
ISSN:0001-4338
1555-628X
DOI:10.1134/S0001433809060127