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Calculation of two-dimensional dispersion in a gas in unsteady flow in a porous medium

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Abstract

A two-dimensional problem of the flow of a gas containing an impurity through a porous medium is considered. At the initial time, the gas containing a uniformly distributed impurity is at a high pressure in a spherical cavity in a porous medium at a certain distance from a flat surface. It is assumed that for t > the motion of the carrier gas is described by the system of equations for flow in a porous medium and the dispersion of the impurity is described by the equations of convective diffusion and nonequilibrium adsorption. A numerical method for solving the problem is discussed. Some results of calculations are given. The influence of the flat surface on the flow of the gas and the dispersion of the impurity is analyzed.

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Authors and Affiliations

  1. Moscow

    E. G. Basanskii, V. M. Kolobashkin & N. A. Kudryashov

Authors
  1. E. G. Basanskii
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  2. V. M. Kolobashkin
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  3. N. A. Kudryashov
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Additional information

Translated from Izvestiya Akademii Nauk SSSR, Mekhanika Zhidkosti i Gaza, No. 5, pp. 61–67, September–October, 1982.

We thank V. N. Nikolaevskii for comments which permitted a significant improvement in the paper.

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Basanskii, E.G., Kolobashkin, V.M. & Kudryashov, N.A. Calculation of two-dimensional dispersion in a gas in unsteady flow in a porous medium. Fluid Dyn 17, 704–710 (1982). https://doi.org/10.1007/BF01090149

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  • DOI: https://doi.org/10.1007/BF01090149

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