Abstract
A problem of regular, natural convection in a horizontal layer of liquid in a gravitational field, with volume heat sources distributed in the plane of the layer in a spatially periodic manner, is considered. It is shown that the response of the system is greatest, other conditions being equal, when the period of the source is approximately equal to twice the thickness of the layer. The literature offers a large number of analytically solved problems on natural convection when there is a temperature gradient /1–3/ created when heat is applied to the layer boundaries. At present, the absorption of energy from a coherent light wave generated by a laser makes it possible to produce volume heat emission with practically any spatial distribution required, and to alter this distribution at will without any difficulties.
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