Arbitrary oscillatory Stokes flow past a porous sphere using Brinkman model

被引：19

作者：

Prakash, Jai ^{[1
]}

Sekhar, G. P. Raja ^{[1
]}

机构：

[1] Indian Inst Technol Kharagpur, Dept Math, Kharagpur 721302, W Bengal, India

来源：

MECCANICA | 2012年 / 47卷 / 05期

关键词：

Brinkman equation; Faxen's law; Oscillatory flow; Stokes flow; HYDRODYNAMIC PERMEABILITY; BOUNDARY-CONDITION; HOMOGENEOUS FLUID; MOMENTUM-TRANSFER; COMPOSITE SPHERE; FAXEN RELATIONS; CREEPING FLOW; BUILT-UP; PARTICLES; MOTION;

D O I：

10.1007/s11012-011-9494-1

中图分类号：

O3 [力学];

学科分类号：

08 ; 0801 ;

摘要：

The present paper deals with the hydrodynamics of a porous sphere placed in an arbitrary oscillatory Stokes flow. Unsteady Stokes equation is used for the flow outside the porous sphere and Brinkman equation is used for the flow inside the porous sphere. Corresponding Fax,n's law for drag and torque is derived and compared with few existing results in some special cases. Examples like uniform flow, oscillatory shear flow and oscillating Stokeslet are discussed. Also, translational oscillation of a weakly permeable sphere is discussed.

引用

页码：1079 / 1095

页数：17

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