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Journal of Applied Fluid Mechanics، جلد ۹، شماره ۱، صفحات ۱۰۳-۱۱۷
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عنوان انگلیسی Heat and Mass Transfer Effects on Unsteady MHD Natural Convection Flow of a Chemically Reactive and Radiating Fluid through a Porous Medium Past a Moving Vertical Plate with Arbitrary Ramped Temperature
چکیده انگلیسی مقاله Investigation of unsteady hydromagnetic natural convection flow with heat and mass transfer of a viscous, incompressible, electrically conducting, chemically reactive and optically thin radiating fluid past an exponentially accelerated moving vertical plate with arbitrary ramped temperature embedded in a fluid saturated porous medium is carried out. Exact solutions of momentum, energy and concentration equations are obtained in closed form by Laplace transform technique. The expressions for the shear stress, rate of heat transfer and rate of mass transfer at the plate for both ramped temperature and isothermal plates are derived. The numerical values of fluid velocity, fluid temperature and species concentration are displayed graphically whereas those of shear stress, rate of heat transfer and rate of mass transfer at the plate are presented in tabular form for various values of pertinent flow parameters. It is found that, for isothermal plate, the fluid temperature approaches steady state when t  1.5 . Consequently, the rate of heat transfer at isothermal plate approaches steady state when t  1.5 .
کلیدواژه‌های انگلیسی مقاله Arbitrary ramped temperature, Natural convection, Magnetic field, Chemical reaction, Radiation
نویسندگان مقاله G. S. Seth |
Department of Applied Mathematics, Indian School of Mines, Dhanbad 826004, INDIA

R. Sharma |
Department of Applied Mathematics, Indian School of Mines, Dhanbad 826004, INDIA

B. Kumbhakar |
Department of Applied Mathematics, Indian School of Mines, Dhanbad 826004, INDIA

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