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Thermal diffusion effect on unsteady MHD free convective flow past an impulsively started but temporarily accelerated semi‐infinite vertical plate with parabolic ramped conditions
The purpose of the present study is to analyze the problem of a free convective MHD flow of incompressible, electrically conducting, and viscous fluid past an impulsively started semi‐infinite moving vertical plate. The fluid is considered to be non‐gray and optically thick. The parabolic ramped temperature of the plate and thermodiffusion effect are also taken into account. A magnetic field having uniform strength is applied in the transverse direction to the fluid velocity. Solutions of dimensionless governing partial differential equations are attained on the adoption of the closed‐form Laplace transformation technique. Effects of different flow parameters on the velocity field, temperature field, concentration field, Nusselt number, skin friction, and Sherwood Number are discussed graphically. It is noticed that fluid concentration, temperature, and velocity decline considerably for ascending values of Prandtl Number. Increasing Ramped parameter hikes the Nusselt number and Sherwood Number but declines skin friction.
Thermal diffusion effect on unsteady MHD free convective flow past an impulsively started but temporarily accelerated semi‐infinite vertical plate with parabolic ramped conditions
The purpose of the present study is to analyze the problem of a free convective MHD flow of incompressible, electrically conducting, and viscous fluid past an impulsively started semi‐infinite moving vertical plate. The fluid is considered to be non‐gray and optically thick. The parabolic ramped temperature of the plate and thermodiffusion effect are also taken into account. A magnetic field having uniform strength is applied in the transverse direction to the fluid velocity. Solutions of dimensionless governing partial differential equations are attained on the adoption of the closed‐form Laplace transformation technique. Effects of different flow parameters on the velocity field, temperature field, concentration field, Nusselt number, skin friction, and Sherwood Number are discussed graphically. It is noticed that fluid concentration, temperature, and velocity decline considerably for ascending values of Prandtl Number. Increasing Ramped parameter hikes the Nusselt number and Sherwood Number but declines skin friction.
Thermal diffusion effect on unsteady MHD free convective flow past an impulsively started but temporarily accelerated semi‐infinite vertical plate with parabolic ramped conditions
Ahmed, Nazibuddin (author) / Sarma, Subhrajit (author)
Heat Transfer ; 50 ; 8656-8688
2021-12-01
33 pages
Article (Journal)
Electronic Resource
English