Browsing by Author "Sharma, B.K."

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    Heat and mass transfer in magneto-biofluid flow through a non-Darcian porous medium with Joule effect
    (Springer, 2013-09-13) Gupta, Suresh; Sharma, B.K.; Mishra, A
    In the present study, a mathematical model for the hydromagnetic non-Newtonian biofluid flow in the non-Darcy porous medium with Joule effect is proposed. A uniform magnetic field acts perpendicularly to the porous surface. The governing nonlinear partial differential equations are transformed into linear ones which are solved numerically by applying the explicit finite difference method. The effects of various parameters, like Reynolds number and hydro-magnetic, Forchheimer, and Darcian parameters, Prandtl, Eckert, and Schmidt numbers, on the velocity, temperature, and concentration are presented graphically. The results of the study can find applications in surgical operations, industrial material processing, and various heat transfer processes.
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    Soret And Dufour effects on an unsteady MHD mixed convective flow past an infinite vertical plate with Ohmic dissipation and heat source
    (Springer, 2014) Gupta, Suresh; Sharma, B.K.
    Thermal-diffusion and diffusion-thermo effects on unsteady MHD mixed convection flow past an infinite vertical porous plate in the presence of chemical reaction, heat source and Joule effect have been studied numerically. A uniform magnetic field acts perpendicular to the porous surface. The governing non-linear partial differential equations have been transformed in to linear partial differential equations, which are solved numerically by applying explicit finite difference method. The effects of various parameters on the velocity, temperature, concentration, Nusselt number, Sherwood number and skin friction coefficient have been examined with the help of graphs and tables