scholarly journals Effect of mass transfer and radiation on unsteady free convective flow past a vertical porous plate with variable temperature in the presence of transverse magnetic field on heat source

2020 ◽  
Author(s):  
T. Lawanya ◽  
M. Vidhya ◽  
A. Govindarajan
2004 ◽  
Vol 82 (6) ◽  
pp. 447-458 ◽  
Author(s):  
A A Afify

The effects of radiation and chemical reactions, in the presence of a transverse magnetic field, on free convective flow and mass transfer of an optically dense viscous, incompressible, and electrically conducting fluid past a vertical isothermal cone surface are investigated. The nonlinear boundary-layer equations with the boundary conditions are transferred by a similarity transformation into a system of nonlinear ordinary differential equations with the appropriate boundary conditions. Furthermore, the similarity equations are solved numerically by using a fourth-order Runge–Kutta scheme with the shooting method. Numerical results for the skin-friction coefficient, the local Nusselt number, the local Sherwood number are given; as well, the velocity, temperature, and concentration profiles are presented for a Prandtl number of 0.7, the chemical-reaction parameter, the order of the reaction, the radiation parameter, the Schmidt number, the magnetic parameter, and the surface temperature parameter. PACS No.: 47.70.Fw


2020 ◽  
Author(s):  
M. Vidhya ◽  
S. Sheeba Juliet ◽  
A. Govindarajan ◽  
A. Mohamad Rashad ◽  
E. Priyadarshini

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