Influence of heat transfer on MHD flow in a pipe with expanding or contracting permeable wall

被引：16

作者：

Srinivas, S. ^{[1
]}

Reddy, A. Subramanyam ^{[1
]}

Ramamohan, T. R. ^{[2
]}

Shukla, Anant Kant ^{[2
]}

机构：

[1] VIT Univ, Sch Adv Sci, Fluid Dynam Div, Vellore 632014, Tamil Nadu, India

[2] CSIR CMMACS, Bangalore 560037, Karnataka, India

来源：

AIN SHAMS ENGINEERING JOURNAL | 2014年 / 5卷 / 03期

关键词：

Porous pipe; Permeation Reynolds number; Wall expansion ratio; Prandtl number; Hartmann number; HAM;

D O I：

10.1016/j.asej.2014.01.006

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The present study investigates the effects of heat transfer on MHD laminar viscous flow in a pipe with expanding or contracting permeable wall. The pipe wall expands or contracts uniformly at a time dependent rate. The governing equations are reduced to ordinary differential equations by using a similarity transformation. An analytical approach, namely the homotopy analysis method (HAM) is applied in order to obtain the solutions of the ordinary differential equations. The effects of various emerging parameters on flow variables have been discussed numerically and explained graphically. Further, we find a good agreement between the HAM solutions and solutions already reported in the literature. (C) 2014 Production and hosting by Elsevier B.V. on behalf of Ain Shams University.

引用

页码：817 / 830

页数：14

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