Two-phase flow in porous media: dynamical phase transition

H. A. Knudsen () and A. Hansen ()

The European Physical Journal B: Condensed Matter and Complex Systems, 2006, vol. 49, issue 1, 109-118

Abstract: We study numerically the behavior of two-phase flow in porous media via the parameters capillary number and viscosity ratio, under steady-state conditions and various levels of saturation. We construct a phase diagram, where the phases are defined according to whether one or both fluids move. We establish a semi-empirical theory for the location of the phase boundaries. The steady-state conditions are obtained by implementing biperiodic boundary conditions. Copyright EDP Sciences/Società Italiana di Fisica/Springer-Verlag 2006

Date: 2006
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DOI: 10.1140/epjb/e2006-00019-y

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