Soret and Hall effects on unsteady MHD free convection flow of radiating and chemically reactive fluid past a moving vertical plate with ramped temperature in rotating system

Seth, G. S.; Kumbhakar, Bidyasagar; Sarkar, Soumitra

doi:10.4314/ijest.v7i2.8

Cited by 34 publications

(24 citation statements)

References 3 publications

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“…Jha and Singh [22] examined the effect of thermo-diffusion on transient free convection hydromagnetic flow along an impulsively started infinite vertical plate. Other remarkable research works are due to Reddy and Rao [23], Seth et al [24] and Kataria and Patel [25].…”

Section: Introductionmentioning

confidence: 99%

Double diffusive MHD Casson fluid flow in a non-Darcy porous medium with Newtonian heating and thermo-diffusion effects

Seth¹,

Kumar²,

Tripathi³

et al. 2018

IJHT

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The present study tends to investigate unsteady MHD flow of a Casson fluid near a vertical oscillating plate through a non-Darcy porous medium. The impact of Joule heating, viscous dissipation, thermo-diffusion and Newtonian heating are taken into consideration. Incorporating dimensionless variables and parameters, governing non-dimensional equations are solved by implicit finite difference technique of Crank-Nicolson type. Numerical simulation for the fluid velocity, fluid temperature and species concentration are carried out for a range of values of regulatory flow parameters that characterize the physics of the flow graphically whereas skin friction coefficient, Nusselt number and Sherwood number for the several values of the emerging flow parameters at the plate are presented in tabular form. One of the significant findings of this analysis include that an intensification in the Newtonian heating effect causes a downfall in the rate of heat transfer at the plate whereas another important outcome of the present study is that the concentration of species will gradually increase when we consider higher order chemical reactions, but the incremental effect will almost extinguish after a certain level. The present investigation may have bearings on several engineering processes such as glass blowing, paper production, extrusion of plastic sheet, annealing and tinning of copper wire, spinning of fibers and continuous casting of metals.

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Section: Introductionmentioning

confidence: 99%

Double diffusive MHD Casson fluid flow in a non-Darcy porous medium with Newtonian heating and thermo-diffusion effects

Seth¹,

Kumar²,

Tripathi³

et al. 2018

IJHT

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“…Recently, Zueco et al [20] analysed a two-dimensional free convective Newtonian Hartmann flow with thermal diffusion and Soret effects. Relevant study regarding Soret effect is published by Seth et al [21].…”

Section: Introductionmentioning

confidence: 99%

Thermo-diffusion effects on the magnetohydrodynamic natural convection flow of a chemically reactive Brinkman type nanofluid in a porous medium

Seth

Kumar

Tripathi

2019

BCC

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An investigation on the unsteady MHD natural convection heat and mass transfer flow of an electrically conducting, viscous, incompressible, chemically reactive and heat-absorbing nanofluid of Brinkman type past an exponentially accelerated moving vertical plate with ramped wall temperature and ramped surface concentration is carried out. Governing equations are non-dimensionalized and Laplace Transform Technique is used to find the exact solutions for fluid velocity, fluid temperature and species concentration. The quantities of physical interest, i.e. skin friction, rates of heat and mass transfers at the plate are also calculated. Numerical results for the velocity, temperature and species concentration of the fluid are demonstrated with the help of graphs whereas those of skin friction, rate of heat and mass transfers at the plate are displayed in tables for various flow parameters.

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“…Seth et al 21 investigated on the unsteady hydromagnetic free convection heat and mass transfer flow with Soret and Hall effects of a viscous, incompressible, electrically conducting and optically thick radiating fluid past an impulsively moving infinite vertical plate with ramped temperature through a uniform porous medium in a rotating system in the presence of first order chemical reaction. Seth et al 22,23,24 have worked in the areas, the hydromagnetic natural convection heat and mass transfer flow of a viscous, incompressible, chemical reaction of heat absorbing, ramped temperature through a porous medium. Jasmine Benazir et al 25 study focused on the effects of double dispersion, non-uniform heat source/sink and higher order chemical reaction on unsteady free convective, MHD Casson fluid flow over a vertical cone and flat plate saturated with porous medium.…”

Section: I) Introductionmentioning

confidence: 99%

Unsteady MHD Mixed Convection Flow of Jeffrey Fluid Past a Radiating Inclined Permeable Moving Plate in the Presence of Thermophoresis Heat Generation and Chemical Reaction

Raju¹,

Parandhama²,

Raju³

et al. 2018

jusps-A

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In this manuscript a study of the unsteady magneto-hydrodynamic mixed convection Jeffrey fluid flow over an inclined permeable moving plate in presence of thermal radiation, heat generation, thermophoresis effect and homogenous chemical reaction, subjected to variable suction has been undertaken. The governing equations are solved by using a regular perturbation technique. The expressions for the distributions of velocity, temperature and species concentration are obtained. With the aid of these, the expressions for skin friction, Nusselt number and Sherwood number also have been derived. The influences of various physical parameters involved in the problem on the above mentioned quantities are discussed with the help of graphs and tables. From the significant findings, it has been found that the velocity increases with an increase in Soret number in the presence of permeability. It shows reverse effects in the case of heat absorption coefficient, magnetic parameter, radiation parameter and chemical reaction parameter.Keywords

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Soret and Hall effects on unsteady MHD free convection flow of radiating and chemically reactive fluid past a moving vertical plate with ramped temperature in rotating system

Cited by 34 publications

References 3 publications

Double diffusive MHD Casson fluid flow in a non-Darcy porous medium with Newtonian heating and thermo-diffusion effects

Double diffusive MHD Casson fluid flow in a non-Darcy porous medium with Newtonian heating and thermo-diffusion effects

Thermo-diffusion effects on the magnetohydrodynamic natural convection flow of a chemically reactive Brinkman type nanofluid in a porous medium

Unsteady MHD Mixed Convection Flow of Jeffrey Fluid Past a Radiating Inclined Permeable Moving Plate in the Presence of Thermophoresis Heat Generation and Chemical Reaction

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