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Modeling of heat and mass transfer in capillary-porous materials

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Abstract

A system of differential equations for heat and mass transfer in capillary-porous materials in a hydroscopic moisture-content field is derived with allowance for kinetics of moisture desorption, two-phase filtration, and liquid pressure determined by the action of surface forces. An analysis is made of the results of a computational experiment illustrating evolution of the moisture content, temperature, and vapor pressure fields against the material characteristics and kinetic coefficient.

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Authors and Affiliations

  1. Academic Scientific Complex “A. V. Luikov Heat and Mass Transfer Institute of the National Academy of Sciences of Belarus,”, Minsk, Belarus

    P. V. Akulich & N. N. Grinchik

Authors
  1. P. V. Akulich
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  2. N. N. Grinchik
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Translated from Inzhenerno-Fizicheskii Zhurnal, Vol. 71, No. 2, pp. 225–232, March–April, 1998.

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Akulich, P.V., Grinchik, N.N. Modeling of heat and mass transfer in capillary-porous materials. J Eng Phys Thermophys 71, 225–233 (1998). https://doi.org/10.1007/BF02681539

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  • DOI: https://doi.org/10.1007/BF02681539

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