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Soret and Dufour effects in three-dimensional flow over an exponentially stretching surface with porous medium, chemical reaction and heat source/sink

Tasawar Hayat (Department of Mathematics, Quaid-I-Azam University, Islamabad, Pakistan)
Taseer Muhammad (Department of Mathematics, Quaid-I-Azam University, Islamabad, Pakistan.)
Sabir Ali Shehzad (Department of Mathematics, COMSATS Institute of Information Technology, Sahiwal, Pakistan.)
A. Alsaedi (Department of Mathematics, Faculty of Science, King Abdulaziz University, Jeddah, Saudi Arabia)

International Journal of Numerical Methods for Heat & Fluid Flow

ISSN: 0961-5539

Article publication date: 5 May 2015

206

Abstract

Purpose

The purpose of this paper is to study the Soret and Dufour effects in three-dimensional flow induced by an exponential stretching surface in a porous medium.

Design/methodology/approach

Series solutions are developed.

Findings

The authors observed that the temperature profile and thermal boundary layer thickness are enhanced when the authors increase the values of Dufour number. It is also examined that the concentration field and its associated boundary layer thickness are higher for the larger values of Soret number.

Originality/value

Such investigation is not available in the literature.

Keywords

Acknowledgements

The authors are grateful to the reviewers for the useful suggestions.

Citation

Hayat, T., Muhammad, T., Shehzad, S.A. and Alsaedi, A. (2015), "Soret and Dufour effects in three-dimensional flow over an exponentially stretching surface with porous medium, chemical reaction and heat source/sink", International Journal of Numerical Methods for Heat & Fluid Flow, Vol. 25 No. 4, pp. 762-781. https://doi.org/10.1108/HFF-05-2014-0137

Publisher

:

Emerald Group Publishing Limited

Copyright © 2015, Emerald Group Publishing Limited

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