Two-phase flow in porous media: dynamical phase transition

被引：15
|
作者：
Knudsen, HA
Hansen, A
机构：
[1] Univ Oslo, Dept Phys, N-0316 Oslo, Norway
[2] Norwegian Univ Sci & Technol, Dept Phys, N-7491 Trondheim, Norway
来源：
EUROPEAN PHYSICAL JOURNAL B | 2006年 / 49卷 / 01期
关键词：
D O I：
10.1140/epjb/e2006-00019-y
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
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.
引用
收藏
页码：109 / 118
页数：10
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