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Heat Transfer Research
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ISSN Imprimer: 1064-2285
ISSN En ligne: 2162-6561

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Heat Transfer Research

DOI: 10.1615/HeatTransRes.2013005865
pages 199-218

MIXED CONVECTION IN MHD MICROPOLAR FLUID WITH RADIATION AND CHEMICAL REACTION EFFECTS

D. Srinivasacharya
Department of Mathematics, National Institute of Technology, Warangal-506004, India
M. Upendar
Department of Mathematics, NIT Warangal-506 004, AP, India

RÉSUMÉ

This article analyzes a mathematical model for the steady, mixed convection heat and mass transfer along a semi-infinite vertical plate embedded in a micropolar fluid in the presence of a first-order chemical reaction and radiation. A uniform magnetic field is applied normal to the plate. The plate is maintained with variable surface heat and mass fluxes. The governing nonlinear partial differential equations and their associated boundary conditions are transformed into a system of coupled nonlinear ordinary differential equations using similarity transformations and then solved numerically using the Keller box method. The numerical results are compared and found to be in good agreement with previously published results as special cases of the present investigation. The nondimensional velocity, microrotation, temperature, concentration profiles, the rate of heat transfer, the rate of mass transfer, the skin friction coefficient, and the wall couple stress at the plate are presented graphically for different values of coupling number, Prandtl number, Schmidt number, magnetic parameter, radiation parameter, and chemical reaction parameter.


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