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Mixed convective flow of a dusty fluid over a vertical stretching sheet with non‐uniform heat source/sink and radiation

B.J. Gireesha (Department of Studies and Research in Mathematics, Kuvempu University, Shimoga, India)
A.J. Chamkha (Manufacturing Engineering Department, The Public Authority for Applied Education and Training, Shuweikh, Kuwait)
S. Manjunatha (Department of Studies and Research in Mathematics, Kuvempu University, Shimoga, India)
C.S. Bagewadi (Department of Studies and Research in Mathematics, Kuvempu University, Shimoga, India)

International Journal of Numerical Methods for Heat & Fluid Flow

ISSN: 0961-5539

Article publication date: 3 May 2013

220

Abstract

Purpose

The purpose of this paper is to study the problem of two‐dimensional unsteady mixed convective flow a dusty fluid over a stretching sheet in the presence of thermal radiation and space‐dependent heat source/sink.

Design/methodology/approach

The equations governing the fluid flow and temperature fields for both the fluid and dust phases are reduced to coupled non‐linear ordinary differential equations by using a suitable set of similarity transformations. Numerical solutions of the resulting equations are obtained using the well known RKF45 method.

Findings

The numerical results are benchmarked with previously published studies and found to be in excellent agreement. Finally, the effects of the pertinent parameters which are of physical and engineering interest on the flow and heat transfer characteristics are presented graphically and in tabulated form.

Originality/value

The problem is relatively original as the dusty fluid works for this type of problem are lacking.

Keywords

Citation

Gireesha, B.J., Chamkha, A.J., Manjunatha, S. and Bagewadi, C.S. (2013), "Mixed convective flow of a dusty fluid over a vertical stretching sheet with non‐uniform heat source/sink and radiation", International Journal of Numerical Methods for Heat & Fluid Flow, Vol. 23 No. 4, pp. 598-612. https://doi.org/10.1108/09615531311323764

Publisher

:

Emerald Group Publishing Limited

Copyright © 2013, Emerald Group Publishing Limited

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