Journal
INTERNATIONAL COMMUNICATIONS IN HEAT AND MASS TRANSFER
Volume 45, Issue -, Pages 16-22Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.icheatmasstransfer.2013.03.008
Keywords
MHD; Mixed convection; Unsteady hydromagnetic flow; Heat transfer; Heat generation/absorption; Network method
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The study of unsteady mixed convection flow in a vertical channel with symmetric and asymmetric wall heating conditions is considered in this article. The boundary conditions used are isothermal isothermal, isoflux isothermal, and isothermal isoflux for the left right walls of the channel. The effects of the Hartmann number, convection parameter and heat generation/absorption coefficient are included in the numerical analysis. Graphic results with various values of the parameters involved are presented. The numerical solutions of the equations representing the process are obtained by the Network Simulation method. The results obtained in the steady-state were compared with the results of Chamkha [10] and were very close. The numerical procedure employed, which satisfies the conservation law for the heat flux variable, also permits the direct visualization and evolution of the local and/or integrated transport variables at any point or section of the medium. (C) 2013 Elsevier Ltd. All rights reserved.
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