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Thermocapillary convection mechanism due to the absorption of spatially periodic laser radiation

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Abstract

This paper deals with the problem of the occurrence of regular convection in a fluid layer with a single free surface following the absorption of a light wave with an intensity distribution spatially periodic in the plane of the layer due to the temperature dependence of the surface tension. The velocity and temperature profiles in the medium are determined. It is shown that, other things being equal, the response of the system to the light wave is greatest when the period of the interference intensity pattern is of the order of twice the thickness of the layer.

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Literature cited

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Authors and Affiliations

  1. Moscow

    R. S. Akopyan & B. Ya. Zel'dovich

Authors
  1. R. S. Akopyan
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  2. B. Ya. Zel'dovich
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Additional information

Translated from Izvestiya Akademii Nauk SSSR, Mekhanika Zhidkosti 1 Gaza, No. 5, pp. 47–50, September–October, 1985.

The authors wish to thank N. T. Pashchenko, N. V. Tabiryan, and Yu. S. Chilingaryan for valuable discussions.

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Akopyan, R.S., Zel'dovich, B.Y. Thermocapillary convection mechanism due to the absorption of spatially periodic laser radiation. Fluid Dyn 20, 703–706 (1985). https://doi.org/10.1007/BF01050082

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  • DOI: https://doi.org/10.1007/BF01050082

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