Abstract
Nonthreshold excitation of natural convection is predicted in a horizontal cavity whose upper surface is heated in an arbitrarily nonuniform manner. From a conducting liquid in a magnetic field, it is shown that convection is not excited for an arbitrary nonuniform heating of the upper surface. The results are valid in rheological systems.
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Translated from Inzhenerno-Fizicheskii Zhurnal, Vol. 15, No. 6, pp. 969–974, December, 1968.
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Lykov, A.V., Berkovskii, B.M. Convection in cavities of variable wall temperature. Journal of Engineering Physics 15, 1143–1147 (1968). https://doi.org/10.1007/BF00828934
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DOI: https://doi.org/10.1007/BF00828934