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Statement of boundary and conjugation conditions for problems of heat transfer in granular beds on the basis of a two-temperature model

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Abstract

Physically justified boundary and conjugation conditions for problems of heat transfer in infiltrated granular beds have been formulated within the framework of the two-temperature model that takes into account the absence of interphase interaction at the boundaries. It is shown that the classical Danckwerts conditions are applicable to a gas. The problem of filtration cooling of a heat-generating granular bed over which there is an inert bed (pile-up) has been solved in a new statement. The dependence of the pressure drop in a granular bed on the mass flow rate of the gas is established. A formula to calculate the maximum temperature of particles is obtained. The region of applicability of the one-temperature model is determined.

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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

    Yu. S. Teplitskii & V. I. Kovenskii

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  1. Yu. S. Teplitskii
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  2. V. I. Kovenskii
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Translated from Inzhenerno-Fizicheskii Zhurnal, Vol. 79, No. 6, pp. 98–106, November–December, 2006.

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Teplitskii, Y.S., Kovenskii, V.I. Statement of boundary and conjugation conditions for problems of heat transfer in granular beds on the basis of a two-temperature model. J Eng Phys Thermophys 79, 1147–1156 (2006). https://doi.org/10.1007/s10891-006-0217-8

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  • DOI: https://doi.org/10.1007/s10891-006-0217-8

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