OSCILLATORY STOKES-FLOW IN PERIODIC POROUS-MEDIA

被引：84

作者：

CHAPMAN, AM

HIGDON, JJL

机构：

[1] Department of Chemical Engineering, University of Illinois, Urbana, IL 61801-3791

来源：

PHYSICS OF FLUIDS A-FLUID DYNAMICS | 1992年 / 4卷 / 10期

关键词：

D O I：

10.1063/1.858507

中图分类号：

O3 [力学];

学科分类号：

08 ; 0801 ;

摘要：

The unsteady Stokes equations for the microscopic flow in model porous media subject to an oscillatory pressure gradient are solved. The media consist of periodic lattices (SC, BCC, FCC) of spheres ranging from dilute systems with isolated spheres to highly concentrated consolidated media with overlapping spheres. Detailed results are presented for the dynamic permeability and comparisons are made with previously published results, asymptotic limits, and approximate theories. The wave speed and attenuation rate for acoustic waves are evaluated.

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页码：2099 / 2116

页数：18

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