alexa Unsteady MHD Free Convection Flow of a Viscous Dissipative Kuvshinski Fluid Past an Infinite Vertical Porous Plate in the Presence of Radiation, Thermal Diffusion and Chemical Effects
ISSN: 2168-9679

Journal of Applied & Computational Mathematics
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Research Article

Unsteady MHD Free Convection Flow of a Viscous Dissipative Kuvshinski Fluid Past an Infinite Vertical Porous Plate in the Presence of Radiation, Thermal Diffusion and Chemical Effects

Vidyasagar B1, Raju MC2* and Varma SVK1

1Department of Mathematics, Sri Venkateswara University, Tirupati, AP, India

2Department of Humanities and Sciences, Annamacharya Institute of Technology and Sciences, AP, India

*Corresponding Author:
Raju MC
Department of Humanities and Sciences
Annamacharya Institute of Technology and Sciences
Rajampet (Autonomous) Cuddapah, AP, India
Tel: +919848998649
E-mail: [email protected]

Received date: August 07, 2015; Accepted date: September 04, 2015; Published date: September 09, 2015

Citation: Vidyasagar B, Raju MC, Varma SVK (2015) Unsteady MHD Free Convection Flow of a Viscous Dissipative Kuvshinski Fluid Past an Infinite Vertical Porous Plate in the Presence of Radiation, Thermal Diffusion and Chemical Effects. J Appl Computat Math 4:255. doi:10.4172/2168-9679.1000255

Copyright: © 2015 Vidyasagar B, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

Abstract

The objective of present problem is to investigate the effects of thermal diffusion, viscous dissipation, radiation and chemical reaction on a well-known non Newtonian fluid namely Kuvshinski fluid interaction on unsteady MHD flow over a vertical moving porous plate. The fluid is considered to be a gray, absorbing emitting but non scattering medium, and the Rosseland approximation is used to describe the radiative heat flux energy equation. The plate moves with constant velocity in the direction of fluid flow while the free stream velocity is assumed to follow the exponentially increasing small perturbation law. A uniform magnetic field acts perpendicular to the porous surface. The dimensionless governing equations are solved by using a simple perturbation law. The expressions for velocity, temperature and concentration are derived. With the aid of these the expressions for Skin friction, Nusselt number and Sherwood number are also derived. The effects of various material parameters on the above flow quantities are studied numerically with the help of figures and tables. It is observed that an increases in the Prandtl number results in a decreasing in temperature. An increase in Kr leads to decrease in both of concentration and velocity.

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