Microscopic Interfaces in Porous Media

W. Jäger and B. Schweizer
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W. Jäger: Universität Heidelberg, Institut für Angewandte Mathematik
B. Schweizer: Universität Basel, Mathematisches Institut

A chapter in Reactive Flows, Diffusion and Transport, 2007, pp 555-565 from Springer

Abstract: Summary Homogenization techniques have been applied successfully to pore scale models of porous media, at least in the description of single-phase fluids. In the case that two phases are present (e.g. water and oil) one expects upscaled equations in the form of the Leverett two-phase flow system. Unfortunately, due to the appearance of many interfaces inside the porous medium and a lack of control of the geometric properties of the domains, no rigorous derivation of the Leverett system can be expected in the near future. In this contribution we report on rigorous derivations for geometries that allow a uniform description of the interfaces.

Keywords: Porous Medium; Contact Angle; Free Boundary; Capillary Pressure; Free Boundary Problem (search for similar items in EconPapers)
Date: 2007
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Persistent link: https://EconPapers.repec.org/RePEc:spr:sprchp:978-3-540-28396-6_20

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DOI: 10.1007/978-3-540-28396-6_20

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