Unsteady MHD free convective heat and mass transfer flow with variable heat and mass fluxes

Maheshwari, Chavi and Pathak, Govind and Gupta, S. P. (2017) Unsteady MHD free convective heat and mass transfer flow with variable heat and mass fluxes. JOURNAL OF COMPUTATIONAL AND APPLIED MECHANICS, 12 (2). pp. 99-107. ISSN 1586-2070

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Abstract

The mass, momentum and heat transfer in unsteady free convention flow along an infinite porous vertical plate, suddenly set in uniform motion with variable heat and mass fluxes at the plate, in the presence of uniform transverse magnetic field fixed to the plate, has been investigated. Similar solutions of energy and concentration boundary layer equations, for a particular form of suction/injection velocity $v_w(t)$, is obtained. For solution of the momentum boundary layer equation, a series expansion of velocity function in powers of product of magnetic field parameter and time is assumed. The analytical solutions of resulting ordinary differential equations have been obtained in terms of repeated integrals of complementary error functions. Also, the velocity, temperature and concentration profiles have been drawn and discussed.

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