UNSTEADY FLOW DUE TO NON-COAXIAL ROTATION OF A POROUS DISK AND A FLUID AT INFINITY THROUGH POROUS MEDIUM

被引：6

作者：

Maji, S. L. ^{[1
]}

Manna, G. ^{[1
]}

Guria, M. ^{[1
]}

Jana, R. N. ^{[1
]}

机构：

[1] Vidyasagar Univ, Dept Appl Math, Midnapore 721102, W Bengal, India

来源：

CHEMICAL ENGINEERING COMMUNICATIONS | 2010年 / 197卷 / 06期

关键词：

MHD FLOW; OSCILLATORY FLOW; HEAT-TRANSFER; SUCTION;

D O I：

10.1080/00986440903287858

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

An exact solution of the unsteady hydrodynamic flow in a porous medium due to non-coaxial rotations of a porous disk and a fluid at infinity has been obtained. An analytical solution of the problem is obtained at small and large times by the Laplace transform method. It is found that the primary velocity decreases while the secondary velocity increases with the increase in porosity parameter sigma. It is also found that the porosity takes more time to reach the steady state than that in the case of no porosity.

引用

页码：791 / 803

页数：13

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