This paper considers the nonstationary process of extraction from a solid body modeled by a system of semiinfinite capillaries connected with a group of no-flow channels when the mass transfer velocity in the flow is composed of two components — a constant velocity component and a time-periodic addition to the first one that is assumed to be small relative to the amplitude. We have obtained analytical dependences for the masstransfer characteristics that are of practical interest: the concentration and the diffusion flow for both the main approximation and with correction for the periodic action on the system.
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Translated from Inzhenerno-Fizicheskii Zhurnal, Vol. 83, No. 2, pp. 209–221, March–April, 2010.
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Moshinskii, A.I. Extraction from a porous body in the presence of periodic fluid flow on it. J Eng Phys Thermophy 83, 221–234 (2010). https://doi.org/10.1007/s10891-010-0337-z
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DOI: https://doi.org/10.1007/s10891-010-0337-z