Movement of Water as Effected by Free Energy and Pressure Gradients: I. Application of Classic Equations for Viscous and Diffusive Movements to the Liquid Phase in Finely Porous Media
- 1 July 1961
- journal article
- Published by Wiley in Soil Science Society of America Journal
- Vol. 25 (4) , 255-260
- https://doi.org/10.2136/sssaj1961.03615995002500040009x
Abstract
The macroscopically observed laws of viscous and diffusive flows were extrapolated to flow of water in thin films in porous media. Correction factors were developed to account for the effects of the diffuse layer of adsorbed cations and greater viscosity of water near particle surfaces. Equations for the two types of flow are combined to give a relationship from which molar free energy gradients can be evaluated in comparison with pressure gradients, as to their abilities to move water.Funding Information
- Petroleum Research Corporation
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