Dissipation effect on MHD mixed convection flow over a stretching sheet through porous medium with non-uniform heat source/sink

Dissipative effect on magnetohydrodynamic (MHD) mixed convective unsteady flow of an electrically conducting fluid over a stretching sheet embedded in a porous medium subject to transverse magnetic field in the presence of non-uniform heat source/sink has been investigated in this paper. The method...

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Main Authors: D. Bhukta, G.C. Dash, S.R. Mishra, S. Baag
Format: Article
Language:English
Published: Elsevier 2017-09-01
Series:Ain Shams Engineering Journal
Subjects:
Online Access:http://www.sciencedirect.com/science/article/pii/S2090447915001495
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author D. Bhukta
G.C. Dash
S.R. Mishra
S. Baag
author_facet D. Bhukta
G.C. Dash
S.R. Mishra
S. Baag
author_sort D. Bhukta
collection DOAJ
description Dissipative effect on magnetohydrodynamic (MHD) mixed convective unsteady flow of an electrically conducting fluid over a stretching sheet embedded in a porous medium subject to transverse magnetic field in the presence of non-uniform heat source/sink has been investigated in this paper. The method of solution involves similarity transformation. The coupled nonlinear partial differential equations governing flow, heat and mass transfer phenomena are reduced into set of nonlinear ordinary differential equations. The transformed equations are solved numerically by using Runge–Kutta fourth order method associated with shooting technique. The numerical computation of skin friction, Nusselt number and Sherwood number is presented in tables. The work of previous authors is compared with the present work as particular cases in the absence of unsteady parameter, solutal buoyancy, Darcy dissipation and chemical reaction. The results of steady and unsteady cases are also discussed. The important findings are as follows: effect of electric field enhances the skin friction contributing to flow instability. Higher Prandtl number is suitable for the reduction of coefficient of skin friction which is desirable.
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spelling doaj.art-4b3885741d6d4a189b8a52e76bd2ae812022-12-21T18:27:40ZengElsevierAin Shams Engineering Journal2090-44792017-09-018335336110.1016/j.asej.2015.08.017Dissipation effect on MHD mixed convection flow over a stretching sheet through porous medium with non-uniform heat source/sinkD. Bhukta0G.C. Dash1S.R. Mishra2S. Baag3Department of Mathematics, Institute of Technical Education and Research, Siksha ‘O’ Anusandhan University, Khandagiri, Bhubaneswar 751030, Orissa, IndiaDepartment of Mathematics, Institute of Technical Education and Research, Siksha ‘O’ Anusandhan University, Khandagiri, Bhubaneswar 751030, Orissa, IndiaDepartment of Mathematics, Institute of Technical Education and Research, Siksha ‘O’ Anusandhan University, Khandagiri, Bhubaneswar 751030, Orissa, IndiaDepartment of Physics, OUAT, Bhubaneswar, IndiaDissipative effect on magnetohydrodynamic (MHD) mixed convective unsteady flow of an electrically conducting fluid over a stretching sheet embedded in a porous medium subject to transverse magnetic field in the presence of non-uniform heat source/sink has been investigated in this paper. The method of solution involves similarity transformation. The coupled nonlinear partial differential equations governing flow, heat and mass transfer phenomena are reduced into set of nonlinear ordinary differential equations. The transformed equations are solved numerically by using Runge–Kutta fourth order method associated with shooting technique. The numerical computation of skin friction, Nusselt number and Sherwood number is presented in tables. The work of previous authors is compared with the present work as particular cases in the absence of unsteady parameter, solutal buoyancy, Darcy dissipation and chemical reaction. The results of steady and unsteady cases are also discussed. The important findings are as follows: effect of electric field enhances the skin friction contributing to flow instability. Higher Prandtl number is suitable for the reduction of coefficient of skin friction which is desirable.http://www.sciencedirect.com/science/article/pii/S2090447915001495Non-uniform heat sourceNon-Darcy flowStretching sheetRunge–Kutta methodMass transfer
spellingShingle D. Bhukta
G.C. Dash
S.R. Mishra
S. Baag
Dissipation effect on MHD mixed convection flow over a stretching sheet through porous medium with non-uniform heat source/sink
Ain Shams Engineering Journal
Non-uniform heat source
Non-Darcy flow
Stretching sheet
Runge–Kutta method
Mass transfer
title Dissipation effect on MHD mixed convection flow over a stretching sheet through porous medium with non-uniform heat source/sink
title_full Dissipation effect on MHD mixed convection flow over a stretching sheet through porous medium with non-uniform heat source/sink
title_fullStr Dissipation effect on MHD mixed convection flow over a stretching sheet through porous medium with non-uniform heat source/sink
title_full_unstemmed Dissipation effect on MHD mixed convection flow over a stretching sheet through porous medium with non-uniform heat source/sink
title_short Dissipation effect on MHD mixed convection flow over a stretching sheet through porous medium with non-uniform heat source/sink
title_sort dissipation effect on mhd mixed convection flow over a stretching sheet through porous medium with non uniform heat source sink
topic Non-uniform heat source
Non-Darcy flow
Stretching sheet
Runge–Kutta method
Mass transfer
url http://www.sciencedirect.com/science/article/pii/S2090447915001495
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AT gcdash dissipationeffectonmhdmixedconvectionflowoverastretchingsheetthroughporousmediumwithnonuniformheatsourcesink
AT srmishra dissipationeffectonmhdmixedconvectionflowoverastretchingsheetthroughporousmediumwithnonuniformheatsourcesink
AT sbaag dissipationeffectonmhdmixedconvectionflowoverastretchingsheetthroughporousmediumwithnonuniformheatsourcesink