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Effect of absorption of solar radiation by water of different optical types on convection and heat transfer just under the air–water interface: the case of zero wind speed

Published online by Cambridge University Press:  21 January 2005

YU. G. VEREVOCHKIN  and
S. A. STARTSEV
YU. G. VEREVOCHKIN
Affiliation:
Moscow State University for Geodesy and Cartography, Gorokhovskii 4, Moscow 105064, RussiaVerevochkin@yandex.ru
S. A. STARTSEV
Affiliation:
Physical Lebedev Institute, Neutron Physics Department, Leninskii 53, Moscow 117924, Russia
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Abstract

A horizontally infinite water layer cooled from above and absorbing solar radiation is considered. Optical water types are classified according to Jerlov (Marine Optics, Scientific, 1976). The convection and the heat transfer are simulated numerically based on the linear equation of state and the time-dependent two-dimensional heat-conduction and Navier–Stokes equations. To take into account the effect of solar radiation, the conventional heat-conduction law for water with a free surface is corrected by introducing a particular function of heat and solar-radiation fluxes. Analytical expressions for this function are fitted.

Type
Papers
Information
Journal of Fluid Mechanics , Volume 523 , 25 January 2005 , pp. 109 - 120
Copyright
© 2005 Cambridge University Press

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