Dufour Effects on Unsteady Hydromagnetic Radiative Fluid Flow past a Vertical Plate through Porous Medium

Jagdish Prakash; Avula Golla Vijaya Kumar; Desu Bhanumathi; Sibyala Vijaya Kumar Varma

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Dufour Effects on Unsteady Hydromagnetic Radiative Fluid Flow past a Vertical Plate through Porous Medium

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The objective of the present study is to investigate diffusion-thermo (Dufour effect) and radiation effects on unsteady MHD free convection flow past an impulsively started infinite vertical plate with variable temperature and uniform mass diffusion in the presence of transverse applied magnetic field through porous medium. At time t > 0, the plate is given an impulsive motion with constant velocity in the vertical upward direction against to the gravitational field. At the same time the plate temperature is raised linearly with time t and the level of concentration near the plate is raised to . A magnetic field of uniform strength is applied normal to the direction to the flow. The dimen- sionless governing equations are solved in closed form by Laplace-transform technique. The effect of flow parameters on velocity, temperature, concentration, the rate of heat transfer and the rate of mass transfer are shown through graphs.

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《流体动力学（英文）》 |2012年第4期|159-171|共13页
作者
Jagdish Prakash; Avula Golla Vijaya Kumar; Desu Bhanumathi; Sibyala Vijaya Kumar Varma;
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作者单位

Department of Mathematics;

S.V. University;

Tirupati;

India;

Department of Mathematics;

Sree Vidyanikethan Engineering College;

Department of Mathematics;

University of Botswana;

Gaborone;

Botswana;

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原文格式 PDF
正文语种 chi
中图分类数学;
关键词
MHD; Heat; and; Mass; Transfer; Diffusion-Thermo; (Dufour; Number); Vertical; Plate; Porous; Medium;

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Dufour Effects on Unsteady Hydromagnetic Radiative Fluid Flow past a Vertical Plate through Porous Medium

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