Hall effects on unsteady duct flow of a non-Newtonian fluid in a porous medium

被引：15

作者：

Hayat, T ^{[1
]}

Naz, R

Asghar, S

机构：

[1] Quaid I Azam Univ, Dept Math, Islamabad 45320, Pakistan

[2] Comsats Inst Informat Technol, Dept Math Sci, Abbottabad, Pakistan

来源：

APPLIED MATHEMATICS AND COMPUTATION | 2004年 / 157卷 / 01期

关键词：

exact solutions; porous medium; Hall current; Oldroyd-B fluid; initial value problems;

D O I：

10.1016/j.amc.2003.08.069

中图分类号：

O29 [应用数学];

学科分类号：

070104 ;

摘要：

The unsteady flow of an incompressible Oldroyd-B fluid in a circular duct embedded in a porous medium is studied. The fluid is conducting in the presence of a transverse magnetic field and the influence of Hall currents is investigated. The motion in the duct is generated by a given but arbitrary time dependent inlet volume flow rate. Laplace transform technique is used to determine the exact solutions for the four cases: (a) constantly accelerated flow, (b) sudden started flow, (c) the flow rate has a trapezoidal variation with time and (d) oscillatory flow. (C) 2003 Elsevier Inc. All rights reserved.

引用

页码：103 / 114

页数：12

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