Effects of Chemical Reaction, Heat and Mass Transfer on Non-Linear MHD Laminar Boundary-Layer Flow Over a Wedge With Suction or Injection

Devi, S. P. Anjali; Kandasamy, R.

doi:10.1016/s0735-1933(02)00389-5

Cited by 46 publications

(23 citation statements)

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“…Vajravelu and Nayfeh [4] and Vajravelu and Hadjinicolaou [5] have considered the effects of temperature-dependent heat generation or absorption on heat transfer in different geometries. Anjali Devi and Kandasamy [6] have studied the effects of chemical reaction, heat and mass transfer on non-linear MHD laminar boundary-layer flow over a wedge with suction or injection. Sieniutycz [7] has studied non-linear macro-kinetics of heat and mass transfer and chemical or electrochemical reactions.…”

Section: Introductionmentioning

confidence: 99%

Unsteady MHD free convective heat and mass transfer from a vertical porous plate with Hall current, thermal radiation and chemical reaction effects

Chamkha

Mansour

Aly

2011

Numerical Methods in Fluids

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SUMMARYAn analysis is presented to investigate the effects of chemical reaction, thermal radiation and heat generation or absorption on unsteady free convective heat and mass transfer along an infinite vertical porous plate in the presence of a transverse magnetic field and Hall current. The governing partial differential equations are formulated and transformed by using a similarity transformation into a system of ordinary differential equations. The resulting equations are solved numerically using a fourth-order Runge-Kutta scheme along with the shooting method. The Rosseland approximation is used to describe the radiative heat flux in the energy equation. Numerical results for the velocity, temperature and concentration distributions are shown graphically for different parametric values. The effects of parameters on the local friction coefficients, the Nusselt number and Sherwood numbers are depicted in tabulated form.

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Section: Introductionmentioning

confidence: 99%

Unsteady MHD free convective heat and mass transfer from a vertical porous plate with Hall current, thermal radiation and chemical reaction effects

Chamkha

Mansour

Aly

2011

Numerical Methods in Fluids

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“…This study finds vast applications in the field of evaporation, flow in a desert cooler, energy transfer in a cooling tower, drying etc. The effects of chemical reaction on heat and mass transfer MHD boundary layer laminar type flow over a wedge considering suction/injection was analysed by Devi et al (2002). Kandasamy et al (2005) investigated the effect of presence of thermal stratification and heat source on chemical reactive fluid flow through a stretching surface.…”

Section: Frontiers In Heat and Mass Transfermentioning

confidence: 99%

MHD Maxwell Fluid Flow in Presence of Nano-Particle Through a Vertical Porous-Plate With Heat-Generation, Radiation Absorption and Chemical Reaction

Arifuzzaman

Khan²,

Islam

et al. 2017

Frontiers in Heat and Mass Transfer

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Present study concerns with the numerical investigation of MHD transient naturally convective and higher order chemically reactive Maxwell fluid with Nano-particle flow through a vertical porous plate with the effects of heat generation and radiation absorption. A boundary layer approximation is carried out to develop a flow model representing time dependent momentum, energy, and concentration equations. The governing model equations in partial differential equations (PDEs) form are transformed into a set of nonlinear ordinary differential equation (ODEs) by using non-similar technique. Explicit Finite Difference Method (EFDM) is employed by implementing an algorithm in Compaq Visual Fortran 6.6a to solve the obtained set of nonlinear coupled ODEs. For optimizing the system parameter and accuracy of the system, the stability and convergence analysis (SCA) are carried out. It is observed that with initial boundary conditions, U =V =T = C= 0 and for Δτ = 0.005, ΔX = 0.20 and ΔY = 0.25, the system converged at Prandtl number, Pr ≥ 0.209 and Lewis number, Le ≥ 0.16. The velocity, temperature and concentration flow are investigated and shown graphically with the effect of system parameters. Furthermore, the effect of system parameters on skin friction coefficient, Cf, Nusselt number, Nu, and Sherwood number, Sh, are also examined and tabularized.

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“…The exact solution for hydrodynamic boundary layer flow and heat transfer is studied by Vajravelu (1986). Das et al (1994), Muthucumaraswamy (2001Muthucumaraswamy ( , 2002 and Anjali Devi and Kandasamy (2002) studied the effect of a firstorder chemical reaction on the flow in different cases. An analytical solution for heat and mass transfer by laminar flow of a Newtonian, viscous, and electrically conducting fluid is presented by Chamkha (2003).…”

Section: Introductionmentioning

confidence: 99%

On the effect of convective heat and mass transfer on unsteady mixed convection MHD flow through vertical porous medium

Allan¹,

Dardery²

2018

Int. J. Phys. Sci.

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In this paper, unsteady two-dimensional convective heat and mass transfer flow of a viscous, incompressible, electrically conducting optically thin fluid which is bounded by a vertical infinite plane surface was considered. A uniform applied homogeneous magnetic field is considered in the transverse direction with first order chemical reaction. An analytical solution for two-dimensional oscillatory flow on unsteady mixed convection of an incompressible viscous fluid, through a porous medium bounded by an infinite vertical plate in the presence of chemical reaction and thermal radiation are presented. The surface absorbs the fluid with a constant suction and the free stream velocity oscillates about a constant mean value. The resulting nonlinear partial differential equations were transformed into a set of ordinary differential equations using two-term series. The closed form solutions for velocity, temperature, concentration, skin friction, Nusselt number, and Sherwood number have been obtained, using the regular perturbation technique. Numerical evaluation of the analytical solutions was performed and the results are presented in tabular and graphical form. This illustrates the influence of the various parameters involved in the problem on the solutions.

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Effects of Chemical Reaction, Heat and Mass Transfer on Non-Linear MHD Laminar Boundary-Layer Flow Over a Wedge With Suction or Injection

Cited by 46 publications

References 0 publications

Unsteady MHD free convective heat and mass transfer from a vertical porous plate with Hall current, thermal radiation and chemical reaction effects

Unsteady MHD free convective heat and mass transfer from a vertical porous plate with Hall current, thermal radiation and chemical reaction effects

MHD Maxwell Fluid Flow in Presence of Nano-Particle Through a Vertical Porous-Plate With Heat-Generation, Radiation Absorption and Chemical Reaction

On the effect of convective heat and mass transfer on unsteady mixed convection MHD flow through vertical porous medium

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