Issue 0, 1975
From the journal:

Journal of the Chemical Society, Faraday Transactions 2: Molecular and Chemical Physics

Theory of the rate of wetting of a porous medium

Samuel Levine  and  Graham H. Neale  

Abstract

The classic equations of Washburn and Rideal for the rate of penetration of a fluid into a capillary due to surface tension are re-examined and time-dependent solutions are obtained for large times in both horizontal and vertical flow. By applying Darcy's law, a general theory of wetting of a porous medium is derived. The rate of fluid penetration is expressed in a form analogous to that for a capillary, in terms of fluid viscosity, surface tension, porosity and permeability. The permeability is calculated for the Happel–Kuwabara cell model of a porous medium, consisting of a swarm of identical spherical particles.

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Article information

DOI
https://doi.org/10.1039/F29757100012
Article type
Paper

J. Chem. Soc., Faraday Trans. 2, 1975,71, 12-21

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Theory of the rate of wetting of a porous medium

S. Levine and G. H. Neale, J. Chem. Soc., Faraday Trans. 2, 1975, 71, 12 DOI: 10.1039/F29757100012

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