Hall Current Effects on Free-Convection MHD Flow Past A Porous Plate

Narayana, P. V. Satya; Ramireddy, G.; Venkataramana, S.

doi:10.15282/ijame.3.2011.10.0029

Cited by 16 publications

(12 citation statements)

References 16 publications

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“…Influence of Hall and ion-slip current on unsteady MHD Couette-Poiseuille flow with moving magnetic field has been considered by Sigh et al [18]. Satya Narayana et al [19] investigated the influence of thermal and species diffusion on MHD free convective flow past a permeable plate in the presence of Hall current. Kumar et al [20] presented the influence of Hall on steady fully developed MHD natural convection flow in a perpendicular microchannel.…”

Section: Introductionmentioning

confidence: 99%

Influence of Dufour and thermal radiation on unsteady MHD Walter’s liquid model-B flow past an impulsively started infinite vertical plate embedded in a porous medium with chemical reaction, Hall and ion slip current

Rajakumar¹,

Rao²,

Reddy³

et al. 2020

SN Appl. Sci.

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The current examination is concerned with the influence of Dufour and thermal radiation on unsteady MHD Walter's liquid model-B flow past an impulsively started infinite vertical plate embedded in a porous medium with chemical reaction, Hall and ion-slip current. Perturbation scheme was utilized for solving non-dimensional governing equations. Computations are performed graphically to analyze the behaviour of velocity, temperature and concentration along with Skin friction, Nusselt number and Sherwood number are presented in tabular form on the vertical plate with the difference of emerging physical parameters. Finally, it is concluded that primary and secondary velocities are steeply accelerated with the incremental values of Hall and ion-slip parameter, and the same effect occurred in the case of axial and transverse components of the shearing stress. Primary and secondary velocities are enhanced with the ascending values of Dufour number. But contrast repercussions were demonstrated in the case of temperature. However, primary and secondary velocities and concentration decline with the increasing values of chemical reaction parameter but the contradicted outcome is taken place in the case of temperature. Meanwhile, primary velocity, secondary velocity and temperature are fallen with the amplified values of radiation absorption, but the inverse effect occurs in the case of Nusselt number.

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Section: Introductionmentioning

confidence: 99%

Influence of Dufour and thermal radiation on unsteady MHD Walter’s liquid model-B flow past an impulsively started infinite vertical plate embedded in a porous medium with chemical reaction, Hall and ion slip current

Rajakumar¹,

Rao²,

Reddy³

et al. 2020

SN Appl. Sci.

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“…Stamenkovic et al [20] examined the MHD flow of two immiscible and electrically conducting fluids within isothermal, insulated moving sheets under an applied electrical and inclined magnetic effect. Satya Narayana [21] investigated the heat and mass transfer along a vertical porous plate under the combined buoyancy force effects of thermal and species diffusion in the presence of a transversely applied uniform magnetic field, while also taking into account the hall currents. The dynamics of the steady, two-dimensional magnetohydrodynamics (MHD) free convective flow of micropolar fluids along a vertical porous surface embedded in a thermally stratified medium are investigated by Koriko et al [22].…”

Section: Introductionmentioning

confidence: 99%

Finite element analysis of diffusion effects on convective heat and the mass transfer of two fluids in a vertical channel

Babu¹,

Srinivas²,

Srikanth³

2017

Int. J. Automot. Mech. Eng.

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In this paper the thermo diffusion and diffusion thermo effects on convective heat and mass transfer along a vertical channel filled with micropolar and viscous fluids have been presented. The coupled system of governing equations is solved numerically using the Galerkin finite element method subjected to the boundary and interface conditions. The effects of the pertinent parameters on the velocity, angular velocity (micro rotation), temperature and diffusion profiles are studied in detail and presented graphically. Furthermore, the rate of heat transfer, mass transfer and shear stress near both walls is entered in tables. It is found that rate of heat transfer enhances vigorously on the hot wall and reduces slowly on the cold wall under the diffusion thermo effect. The rate of mass transfer is higher near the left wall and reduces rapidly on the right wall due to the thermo diffusion effect.

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“…Raju et al 4 have investigated Hall-current effects on unsteady MHD flow between stretching sheet and an oscillating porous upper parallel plate with constant suction. Satyanarayana et al 5 have considered Hall current effects on free-convection MHD flow fast a porous plate. Takhar et al 6 have considered an unsteady free convection flow over an infinite vertical porous plate due to the combined effects of thermal and mass diffusion, magnetic field and Hall currents.…”

Section: Introductionmentioning

confidence: 99%

Magnetohydrodynamic (MHD) mixed convective periodic flow through porous medium in a rotating channel

Swapna¹,

Raju²,

Sharma³

et al. 2017

jusps-A

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An attempt has been made to study heat and mass transfer effect on MHD mixed convection periodic flow in a rotating vertical porous channel with Hall effect, thermal radiation and chemical reaction. The coupled nonlinear partial differential equation are turned to ordinary differential equation by super imposing a solution with steady and time dependent transient part. Finally, the set of ordinary differential equations are solved with an analytical scheme to meet the inadequacy of boundary condition. The expressions for velocity, temperature and concentration are obtained analytically. The effects of various parameters on the velocity, temperature and concentration are discussed in detail with the aid of graphs.

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Hall Current Effects on Free-Convection MHD Flow Past A Porous Plate

Cited by 16 publications

References 16 publications

Influence of Dufour and thermal radiation on unsteady MHD Walter’s liquid model-B flow past an impulsively started infinite vertical plate embedded in a porous medium with chemical reaction, Hall and ion slip current

Influence of Dufour and thermal radiation on unsteady MHD Walter’s liquid model-B flow past an impulsively started infinite vertical plate embedded in a porous medium with chemical reaction, Hall and ion slip current

Finite element analysis of diffusion effects on convective heat and the mass transfer of two fluids in a vertical channel

Magnetohydrodynamic (MHD) mixed convective periodic flow through porous medium in a rotating channel

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