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Slow flow of gas around a strongly heated or cooled sphere

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Abstract

Problems similar to those considered in [1, 2] are studied, namely, slow flow over a uniformly heated (or cooled) spherical particle and flow past a weakly nonuniformly heated sphere in the absence of external body forces and with allowance for thermal stresses in the gas. The use of an improved method of numerical solution [3] has made it possible to advance into the region of large temperature differences. A new effect is found: allowance for the thermal stresses in the case of flow around a strongly heated sphere leads to the appearance of a suction force instead of a drag. In the case of flow around a nonuniformly heated sphere the influence of thermal stresses is unimportant. The problems are considered for two temperature dependences of the transport coefficients.

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Authors and Affiliations

  1. Moscow

    A. Yu. Boris & O. G. Fridlender

Authors
  1. A. Yu. Boris
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  2. O. G. Fridlender
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Translated from Izvestiya Akademii Nauk SSSR, Mekhanika Zhidkosti i Gaza, No. 6, pp. 170–175, October–December, 1981.

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Boris, A.Y., Fridlender, O.G. Slow flow of gas around a strongly heated or cooled sphere. Fluid Dyn 16, 946–951 (1981). https://doi.org/10.1007/BF01089730

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  • DOI: https://doi.org/10.1007/BF01089730

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