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Swirling convective jets: asymptotic analysis

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Journal of Engineering Physics and Thermophysics Aims and scope

Results of solution of the problem of a swirling convective jet propagating over a point heat source on the basis of the equations defining a laminar boundary layer in the Boussinesq approximation are presented. The cases of steady circulation of the azimuthal velocity component of the fluid flow at infinity and the angular momentum of the fluid relative to the axis of the jet were considered. The two variants of the problem were asymptotically analyzed, and corresponding boundary problems were formulated for the principal terms of the expansion of desired functions. The dependences of the velocity and temperature fields on the Prandtl number were determined. Analytical solutions and detailed tables of numerical-analysis data are given.

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Authors and Affiliations

  1. A. V. Luikov Heat and Mass Transfer Institute, National Academy of Sciences of Belarus, 15 P. Brovka Str., Minsk, 220072, Belarus

    O. G. Martynenko & V. N. Korovkin

Authors
  1. O. G. Martynenko
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  2. V. N. Korovkin
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Translated from Inzhenerno-Fizicheskii Zhurnal, Vol. 82, No. 5, pp. 863–866, September–October, 2009.

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Martynenko, O.G., Korovkin, V.N. Swirling convective jets: asymptotic analysis. J Eng Phys Thermophy 82, 866–871 (2009). https://doi.org/10.1007/s10891-009-0260-3

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  • DOI: https://doi.org/10.1007/s10891-009-0260-3

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