Eur. Phys. J. Plus (2017) 132: 95
https://doi.org/10.1140/epjp/i2017-11404-2

Regular Article

Exact analysis of MHD flow of a Walters'-B fluid over an isothermal oscillating plate embedded in a porous medium

¹ Department of Mathematics, City University of Science and Information Technology, 25000, Peshawar, Pakistan
² Basic Engineering Sciences Department, College of Engineering Majmaah University, 11952, Majmaah, Saudi Arabia

^* e-mail: ilyaskhanqau@yahoo.com

Received: 20 December 2016
Accepted: 18 January 2017
Published online: 23 February 2017

Abstract

This paper carries out an exact analysis of the MHD free convection flow of a Walters'-B fluid over an oscillating isothermal vertical plate embedded in a porous medium. Exact solutions are produced for velocity, temperature and concentration with the aid of the Laplace transform technique. Similarly, at the wall, the corresponding shear stress is also calculated from the velocity expression. The obtained results confirm an excellent agreement with previously published work. The influence of various pertinent parameters is plotted and illustrated graphically. Finally, the numerical results for the skin friction are exhibited in tabular form.