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

页码：4776 / 4782

页数：7

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