Non-linear peristaltic transport of a Newtonian fluid in an inclined asymmetric channel through a porous medium

被引：125
作者：
Kothandapani, A. [2 ]
Srinivas, S. [1 ]
机构：
[1] VIT Univ, Sch Sci & Human, Vellore 632014, Tamil Nadu, India
[2] AMA Coll Engn, Dept Math, Vadamavandal 604410, Tamil Nadu, India
来源：
PHYSICS LETTERS A | 2008年 / 372卷 / 08期
关键词：
peristalsis; asymmetric channel; froude number; porous medium; trapping;
D O I：
10.1016/j.physleta.2007.09.040
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Peristaltic transport of an incompressible viscous fluid in an inclined asymmetric channel through a porous medium is studied under long-wavelength and low-Reynolds number assumptions. The flow is examined in a wave frame of reference moving with the velocity of the wave. The analytical solution has been obtained in the form of a stream function from which the axial velocity and pressure gradient have been derived. The results for the pressure drop and shear stress have also been computed numerically. The effects of various physical parameters are discussed through graphs and the phenomenon of trapping is also discussed. Comparison of various wave forms (namely sinusoidal, triangular, square and trapezoidal) on the flow is discussed. (C) 2007 Elsevier B.V. All rights reserved.
引用
收藏
页码：1265 / 1276
页数：12
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