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Mathematical modeling of the laminar regime of conjugate convective heat transfer in an enclosure with an energy source under surface-radiation conditions

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Journal of Engineering Physics and Thermophysics Aims and scope

A numerical analysis of the laminar regime of heat transfer in a square enclosure with finite-thickness heatconducting walls in the presence of a constant-temperature heat-releasing element under the conditions of radiative heat exchange has been made in a surface-radiation approximation. A mathematical model has been formulated in dimensionless variables “stream function–vorticity–temperature,” which was realized numerically by the finite-difference method. Temperature and streamline distributions reflecting the influence of the reduced emissivity factor of interior surfaces of enclosing walls, of the relative thermal-conductivity coefficient, and of the factor of unsteadiness on the flow regimes and heat transfer have been obtained.

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Authors and Affiliations

  1. Tomsk State University, 36 Lenin Ave., Tomsk, 634050, Russia

    S. G. Martyushev & M. A. Sheremet

  2. Tomsk Polytechnic University, 30 Lenin Ave., Tomsk, 634050, Russia

    M. A. Sheremet

Authors
  1. S. G. Martyushev
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  2. M. A. Sheremet
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Correspondence to M. A. Sheremet.

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Translated from Inzhenerno-Fizicheskii Zhurnal, Vol. 86, No. 1, pp. 107–115, January–February, 2013.

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Martyushev, S.G., Sheremet, M.A. Mathematical modeling of the laminar regime of conjugate convective heat transfer in an enclosure with an energy source under surface-radiation conditions. J Eng Phys Thermophy 86, 110–119 (2013). https://doi.org/10.1007/s10891-013-0811-5

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  • DOI: https://doi.org/10.1007/s10891-013-0811-5

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