THERMAL DIFFUSION AND RADIATION EFFECT ON UNSTEADY MAGNETOHYDRODYNAMIC FREE-CONVECTION FLOW PAST AN IMPULSIVELY MOVING PLATE WITH RAMPED WALL TEMPERATURE AND RAMPED WALL CONCENTRATION

被引：3

作者：

Reddy, R. Chandra Sekhar ^{[1
]}

Raju, M. C. ^{[2
]}

Reddy, K. Jayarami ^{[3
]}

Reddy, M. S. N. ^{[4
]}

机构：

[1] RGMCET, Dept Math, Nandyal, AP, India

[2] AITS Rajampet, Dept Humanities & Sci Math, Boyanapalli, AP, India

[3] KL Univ, Dept Math, Guntur, AP, India

[4] JNTUA Coll Engn, Dept Math, Pulivendula, AP, India

来源：

SPECIAL TOPICS & REVIEWS IN POROUS MEDIA-AN INTERNATIONAL JOURNAL | 2018年 / 9卷 / 03期

关键词：

MHD; free convection; radiation; thermal diffusion; isothermal plate; ramped wall temperature; ramped wall concentration;

D O I：

10.1615/SpecialTopicsRevPorousMedia.v9.i3.50

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

In this article, we have investigated analytically the influence of thermal diffusion and radiation on unsteady magnetohydrodynamic, free-convective flow of an electrically conducting, viscous incompressible fluid past an impulsively moving isothermal porous plate and for the case of ramped wall temperature and ramped wall concentration. The non-dimensional governing equations are solved in closed form by using Laplace transform method. Exact solutions for velocity, temperature, and concentration are obtained. With the aid of these expressions, skin friction, Nusselt number, and Sherwood number are derived. The effects of various physical parameters on the above flow equations are studied numerically with the help of graphs and tables.

引用

页码：279 / 300

页数：22

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