Hall current, chemical reaction, and radiation results on transient magnetohydrodynamic flow past an inclined plate: FEM

Heat Transfer ◽  
2021 ◽  
Author(s):  
Siva Reddy Sheri ◽  
Megaraju Peesu ◽  
Rajashekar Mamidi Narsimha
Keyword(s):  
Chemical Reaction ◽  
Hall Current ◽  
Magnetohydrodynamic Flow ◽  
Inclined Plate ◽  
Flow Past

scholarly journals Effects of rotation and chemical reaction on MHD flow past an inclined plate with variable wall temperature and mass diffusion

2017 ◽  
Vol 13 (1) ◽  
Author(s):  
U. S. Rajput ◽  
Gaurav Kumar
Keyword(s):  
Chemical Reaction ◽  
Wall Temperature ◽  
Hall Current ◽  
Mhd Flow ◽  
Mass Diffusion ◽  
Inclined Plate ◽  
Flow Past ◽  
Variable Wall Temperature ◽  
Effects Of Rotation ◽  
Variable Wall

Effects of rotation and chemical reaction on unsteady MHD flow past an impulsively started inclined plate with variable wall temperature and mass diffusion in the presence of Hall current is studied here. Earlier we [7] have studied radiation effect on unsteady MHD flow through porous medium past an oscillating inclined plate with variable temperature and mass diffusion in the presence of Hall current. We obtained the results which were in agreement with the desired flow phenomenon. To study further, we are changing the model by considering rotation and chemical reaction. The governing equations involved in the flow model are solved by the Laplace-transform technique. The results obtained have been analyzed with the help of graphs drawn for different parameters. The numerical values obtained for the drag at boundary and Sherwood number have been tabulated. Here too, the results are found to be in agreement with the actual flow.

scholarly journals Perturbation analysis of thermophoresis, hall current and heat source on flow dissipative aligned convective flow about an inclined plate

2020 ◽  
Vol 7 (1) ◽  
Author(s):  
G. Dharmaiah ◽  
O.D. Makinde ◽  
K.S. Balamurugan
Keyword(s):  
Mass Transfer ◽  
Heat Source ◽  
Skin Friction ◽  
Chemical Reaction ◽  
Magnetic Parameter ◽  
Hall Current ◽  
Perturbation Technique ◽  
Heated Plate ◽  
Inclined Plate ◽  
The Impact

This present examination researches the impacts of thermophoresis, heat source and Hall current on dissipative adjusted MHD joint convection stream about an inclined plate inserted in a permeable medium. Utilizing dimensionless variables, the system of partial differential equations is changed into dimensionless equations. By making use of perturbation technique, estimated solutions for velocity, temperature, concentration profiles, skin friction, rate of heat transfer and rate of mass transfer have been determined. The attained results are explained with an assistance of diagrams to examine the impact of distinct parameters such as Magnetic parameter (M), Aligned magnetic parameter (ξ), Schmidt number (Sc), Eckert number (Ec), inclined angle (α), Prandtl number (Pr), heat generation parameter (Q), and chemical reaction (Kr), assuming two cases viz. Case I: Gr < 0, Gm < 0 (flow on heated plate); Case II: when Gr > 0, Gm > 0(flow on cooled plate). Additionally, the impacts of the appropriate parameters on the skin-friction coefficient and rates of heat and mass transfer are numerically furnished in tabular form. Skin friction coefficients are firmly diminished as magnetic field rises. Sherwood and Nusselt numbers boost up as enhance in chemical reaction.

Heat absorption and Hall current effects on unsteady MHD flow past an inclined plate

2020 ◽  
Vol 65 (1) ◽  
pp. 79-95
Author(s):  
Gaurav Kumar
Keyword(s):  
Magnetic Field ◽  
Hall Current ◽  
Mhd Flow ◽  
Mass Diffusion ◽  
Heat Absorption ◽  
Inclined Plate ◽  
Grashof Number ◽  
Flow Phenomenon ◽  
Flow Past ◽  
Laplace Transform Technique

In the present paper, we study the effect of heat absorption on unsteady flow of a viscous, incompressible, electrically conducting fluid past an impulsively started inclined plate with variable wall temperature and mass diffusion in the presence of transversely applied uniform magnetic field and Hall current. Earlier we analyzed the effects of radiation and chemical reaction on MHD flow past a vertical plate with variable temperature and mass diffusion. We had obtained the results which were in agreement with the desired flow phenomenon. To study further, we are changing the model by considering heat absorption on fluid, and changing the geometry of the model. Here in this paper we are considering the plate positioned inclined from vertically plane and impulsively started with velocity u0. The temperature of plate and the concentration level near the plate is increase linearly with time. The governing equations involved in the present analysis are solved by the Laplace-transform technique. The results obtained have been analyzed with the help of graphs drawn for different parameters like thermal Grashof number, mass Grashof Number, Prandtl number, permeability parameter, Hall current parameter, heat absorption parameter, magnetic field parameter and Schmidt number. The numerical values obtained for skin-friction and Nusselt number have been tabulated. The results are found to be in a good agreement and the data obtained is in concurrence with the actual MHD fluid flow phenomenon.

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