Nonlinear flow in porous media

被引：66
|
作者：
Rojas, S
Koplik, J
机构：
[1] CUNY City Coll, Levich Inst, New York, NY 10031 USA
[2] CUNY City Coll, Dept Phys, New York, NY 10031 USA
来源：
PHYSICAL REVIEW E | 1998年 / 58卷 / 04期
关键词：
D O I：
10.1103/PhysRevE.58.4776
中图分类号：
O35 [流体力学]; O53 [等离子体物理学];
学科分类号：
070204 ; 080103 ; 080704 ;
摘要：
The flow of an incompressible Liquid at nonzero Reynolds number Re in a two-dimensional model porous medium is studied via numerical simulation. The geometry is a random array of cylinders of square cross section and spectral element methods are used. We find a transition from linear Darcy flow at vanishing Re, to a cubic transitional regime at low Re, and then a quadratic Forchheimer when Re=0(1). In addition, some general remarks on scaling behavior and the form of the flow equation at finite Re are presented. [S1063-651X(98)13210-5].
引用
收藏
页码：4776 / 4782
页数：7
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