Effect of heat source and chemical reaction on MHD flow past a vertical plate with variable temperature

Rout, Prasanna Kumar; Sahoo, S. N.; Dash, G. C.

doi:10.3329/jname.v13i1.23930

Cited by 6 publications

(6 citation statements)

References 13 publications

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“…Similarly the species concentration decreases with time t. It is assumed that the effect of viscous dissipation is negligible and by usual Boussineq's and boundary layer approximation. Based on the above considerations the unsteady flow is governed by the following equations (Rout and Pattanayak [17], Kaprawi [27]):…”

Section: Mathematical Formulationmentioning

confidence: 99%

“…Kumar et al [16] analyzed and reported thermal radiation and mass transfer effects on MHD flow past a vertical oscillating plate with variable temperature effects variable mass diffusion. Rout and Pattanayak [17] examined and reported chemical reaction and radiation effects on MHD flow past an exponentially accelerated vertical porous plate in the presence of heat generation with variable temperature.…”

Section: Introductionmentioning

confidence: 99%

“…Motivated by different studies and presentations, in this manuscript we have considered diffusion thermo and thermo diffusion effects on unsteady MHD natural convection heat and mass transfer flow past an accelerated vertical porous plate in the presence of thermal radiation. We have extended the work of Kaprawi [27] and Rout and Pattanayak [17] by including thermal diffusion and diffusion thermo effects. The novelty of this study is consideration of thermal diffusion and diffusion thermo effects in the presence of thermal radiation, heat absorption, MHD and porous medium.…”

Section: Introductionmentioning

confidence: 99%

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Magnetohydrodynamic Convective Double Diffusive Laminar Boundary Layer Flow Past an Accelerated Vertical Plate

Reddy¹,

Raju²,

Raju³

2015

JERA

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This manuscript presents the diffusion thermo and thermo diffusion effects on unsteady MHD natural convection heat and mass transfer flow past an accelerated vertical porous plate in the presence of thermal radiation, variable temperature and also variable concentration. The non-dimensional governing equations are coupled non-linear partial differential equations for which the exact solution is not possible. Hence these equations are solved numerically by using finite difference scheme. The effects of different physical parameters involved in the problem are presented and discussed with the help of graphs. The fluid velocity increases with the increasing values of Grashof number, modified Grashof number, Soret number, Dufour number and permeability of the porous medium, but a reverse behavior is found in the case of magnetic parameter and Prandtl number. The fluid temperature falls down for increasing values of radiation parameter, heat sink parameter and Prandtl number, whereas enhancement in the fluid temperature is found in the case of Soret and Dufour effects. Increasing values of Soret number results in rising of the concentration, but it falls down under the influence of Dufour number and Schmidt number.

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Section: Mathematical Formulationmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Magnetohydrodynamic Convective Double Diffusive Laminar Boundary Layer Flow Past an Accelerated Vertical Plate

Reddy¹,

Raju²,

Raju³

2015

JERA

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“…Authors in [6] studied the influence of variable viscosity and thermal conductivity on laminar MHD free convective boundary layer flow of a dusty fluid past a vertical porous plate with viscous dissipation, Joule heating, and heat generation. Authors in [7] studied the effect of heat source and chemical reaction on MHD flow along a moving vertical plate with variable temperature. Authors in [8] studied a transient MHD free convective flow over a vertical plate with an impulsive motion in presence of heat generation in a rotating system.…”

Section: Introductionmentioning

confidence: 99%

Non-uniform Heat Source and Radiation Effect on a Transient MHD Flow Past a Vertical Moving Plate with Inclined Magnetic Field and Periodic Heat Flux

Abdullah

Alghazawi

Al-Ayyad

2019

Eng. Technol. Appl. Sci. Res.

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An analysis is carried out in order to examine the effects of non-uniform heat source and thermal radiation on the transient free convective MHD flow past a vertical plate. In this model, an inclined magnetic field with periodic heat flux along the wall is included. The governing equations (in non-dimensional shape) are solved numerically by a fully implicit finite difference scheme. A parametric study is performed in order to illustrate the influences of the model dimensionless parameters, namely, the magnetic parameter, the heat source term, the Grashof number, the Prandtl number, and the radiation parameter. The velocity field and the temperature field are evaluated for several amounts of these parameters. The obtained numerical results are compared with the analytical solution in case of constant heat flux with no heat source, and a full agreement was found.

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“…Srinivas et al (2014) established the effect of chemical reaction as well as thermal radiation on magnetohydrodynamic flow over an inclined porous extended surface with the consideration of non-uniform heat source/sink: an application to the dynamics of blood flow. Rout et al (2016) studied the consequences of heat generation and chemical reaction on MHD flow past an upright plate with the consideration of variable temperature. Tripath et al (2015) considered and discussed about chemical reaction impact on MHD unforced convective surface over an oscillating vertical plate through porous region.…”

Section: Introductionmentioning

confidence: 99%

Study of ramped temperature influence on MHD convective chemically reactive and absorbing fluid past an exponentially accelerated vertical porous plate

Raju¹,

Reddy²,

Reddy

2018

J. nav. arch. mar. engg.

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A systematic study has been performed on MHD convective chemically reactive and absorbing fluid along an exponentially accelerated vertical plate with the impact of Hall current by considering ramped temperature. Laplace transform technique is applied to obtain exact solutions of the non-dimensional governing equations for fluid velocity, temperature and concentration. Based on these solutions, the expressions for skin friction coefficient, Nusselt number and Sherwood number are also derived. The consequences of diverse physical parameters on flow quantities are examined thoroughly with graphical representations. The numerical values for skin friction coefficient, rate of heat transfer and rate of mass transfer are recorded and analyzed.

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Effect of heat source and chemical reaction on MHD flow past a vertical plate with variable temperature

Abstract: Abstract:An analysis has been carried out to study the

Cited by 6 publications

References 13 publications

Magnetohydrodynamic Convective Double Diffusive Laminar Boundary Layer Flow Past an Accelerated Vertical Plate

Magnetohydrodynamic Convective Double Diffusive Laminar Boundary Layer Flow Past an Accelerated Vertical Plate

Non-uniform Heat Source and Radiation Effect on a Transient MHD Flow Past a Vertical Moving Plate with Inclined Magnetic Field and Periodic Heat Flux

Study of ramped temperature influence on MHD convective chemically reactive and absorbing fluid past an exponentially accelerated vertical porous plate

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