Effects of Thermal Radiation and Chemical Reaction on Steady MHD Mixed Convective Flow over a Vertical Porous Plate with Induced Magnetic Field

Sarma, Dandadhar; Pandit, Kamalesh K.

doi:10.1615/interjfluidmechres.v42.i4.30

Cited by 3 publications

(4 citation statements)

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“…The effects of an induced magnetic field on the flow of a free convective channel were studied by Sarveshanand and Singh [ 13 ]. Sarma and Pandit [ 14 ] investigated the effects of thermal radiation, chemical reactions, and generated magnetic fields on MHD mixed convection flow across a vertical porous plate. Following that, Ojjela et al [ 15 ] investigated the effects that thermophoresis and an induced magnetic field had on a mixed convective Jeffrey fluid contained between two porous plates.…”

Section: Introductionmentioning

confidence: 99%

Recent Development of Heat and Mass Transport in the Presence of Hall, Ion Slip and Thermo Diffusion in Radiative Second Grade Material: Application of Micromachines

Deepthi¹,

Lashin

Kumar³

et al. 2022

Micromachines

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This article describes the incompressible two-dimensional heat and mass transfer of an electrically conducting second-grade fluid flow in a porous medium with Hall and ion slip effects, diffusion thermal effects, and radiation absorption effects. It is assumed that the fluid is a gray, absorbing–emitting but non-scattering medium and the Rosseland approximation is used to describe the radiative heat flux in the energy equation. It is assumed that the liquid is opaque and absorbs and emits radiation in a manner that does not result in scattering. It is considered an unsteady laminar MHD convective rotating flow of heat-producing or absorbing second-grade fluid across a semi-infinite vertical moving permeable surface. The profiles of velocity components, temperature distribution, and concentration are studied to apply the regular perturbation technique. These profiles are shown as graphs for various fluid and geometric parameters such as Hall and ion slip parameters, radiation absorption, diffusion thermo, Prandtl number, Schmidt number, and chemical reaction rate. On the other hand, the skin friction coefficient and the Nusselt number are determined by numerical evaluation and provided in tables. These tables are then analysed and debated for various values of the flow parameters that regulate it. It may be deduced that an increase in the parameters of radiation absorption, Hall, and ion slip over the fluid region increases the velocity produced. The resulting momentum continually grows to a very high level, with contributions from the thermal and solutal buoyancy forces. The temperature distribution may be more concentrated by raising both the heat source parameter and the quantity of radiation. When one of the parameters for the chemical reaction is increased, the whole fluid area will experience a fall in concentration. Skin friction may be decreased by manipulating the rotation parameter, but the Hall effect and ion slip effect can worsen it. When the parameter for the chemical reaction increases, there is a concomitant rise in the mass transfer rate.

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Section: Introductionmentioning

confidence: 99%

Recent Development of Heat and Mass Transport in the Presence of Hall, Ion Slip and Thermo Diffusion in Radiative Second Grade Material: Application of Micromachines

Deepthi¹,

Lashin

Kumar³

et al. 2022

Micromachines

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“…α and 0 γ are initial amplitudes of permeability, porosity, thermal conductivity and solutal diffusivity at the edge of the boundary layer, * σ is the ratio of thermal conductivity of solid to the fluid, * γ is the ratio of the solutal diffusivity of solid to the fluid respectively. Here, d and * d are fixed for variable permeability by taking values 3.0 and 1.5 respectively, whereas d and * d are zeros for uniform permeability (see [3], [4], [5], [10] and [14]). " Substitute equations ( 6)-( 9) in equations ( 2)-(4), we get the transformed non-linear PDE's as follows…”

Section: Defect and Diffusion Forum Vol 388mentioning

confidence: 99%

“…Out of these geometries, vertical plate has a wide range of applications in "geophysical and astrophysical situations, the metallurgy industry, cooling of continuous strips, power generators, hall accelerators and aerodynamics heating etc." Because of this, investigators extended their work on various fluids like chemical reaction, viscoelastic, micro-polar, power law, couple stress fluids on free, forced, mixed convection of MHD heat and mass transfer flow over a vertical plate were analyzed by Yih [9], Rushi Kumar et al [10] and Srinivasacharya and Kaladhar [11]. Rushi Kumar and Shivaraj [12] illustrated MHD effects on viscoelastic fluid over a vertical cone and flat plate by taking variable viscosity.…”

Section: Introductionmentioning

confidence: 99%

Effects of Mixed Convection on the Oscillatory Flow of a Couple Stress Fluid through a Vertical Plate with Variable Fluid Properties

Babu

Kumar

Dinesh

2018

DDF

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A numerical computation has been carriedout for the steady, mixed convective, incompressible, viscous, electrically conducting couple stress fluid through a vertical plate with variable fluid properties in a porous medium. A uniform magnetic field is applied in the transverse direction and parallel to the vertical plate of the physical model and governing equations are derived for it."Using a suitable similarity transformation, governed PDE's are transformed into a set of ODE's which are highly non-linear coupled equations. An advanced Shooting technique is adopted to compute the variations of velocity, temperature, concentration in terms of non-dimensional parameters. Also physical interpretation of non-dimensional parameters like couple stress parameter magnetic field Prandtl number Schmidt number thermal conductivity and solutal diffusivity parameters are examined through plots for both variable permeability and uniform permeability."From the numerical results, an excellent agreement has been observed for the present results, as well as comparison is made between the present and the earlier works for a particular case of the problem.

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“…Sarveshanand and Singh [13] investigated the consequences of induced magnetic field on a free convective channel flow. Thermal radiation, chemical reaction and induced magnetic field effects on MHD mixed convection flow over a vertical porous plate is analyzed by Sarma and Pandit [14]. Subsequently, Ojjela et al [15] analyzed the consequences of thermophoresis and induced magnetic field on mixed convective Jeffrey fluid within two porous plates.…”

Section: Introductionmentioning

confidence: 99%

Hall and induced magnetic field effects on convective flow of viscoelastic fluid within an inclined channel with periodic surface conditions

Singh

Vishwanath

2020

International Journal of Thermofluid Science and Technology

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This paper is concerned with the analytical study of the convective flow of a viscoelastic electrically conducting fluid within an inclined channel bounding a porous regime with Hall and induced magnetic field effects. An external magnetic field of high intensity is applied in the direction normal to the inclined surface. The left inclined surface of the channel is considered to be non-magnetic while the right inclined surface is assumed to be magnetized. Suitable non-dimensional transformations are used to reduce the problem to a similar non-dimensional problem. The resulting flow governing equations are solved analytically. The consequences of various flow influencing parameters to the flow variables are numerically computed and presented in graphical and tabular form. It is interesting to note that the growth in angle of inclination reduces the induced magnetic field in the left half of the channel while this effect is opposite in the vicinity of the right inclined surface due to magnetization of this surface.

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Effects of Thermal Radiation and Chemical Reaction on Steady MHD Mixed Convective Flow over a Vertical Porous Plate with Induced Magnetic Field

Cited by 3 publications

References 0 publications

Recent Development of Heat and Mass Transport in the Presence of Hall, Ion Slip and Thermo Diffusion in Radiative Second Grade Material: Application of Micromachines

Recent Development of Heat and Mass Transport in the Presence of Hall, Ion Slip and Thermo Diffusion in Radiative Second Grade Material: Application of Micromachines

Effects of Mixed Convection on the Oscillatory Flow of a Couple Stress Fluid through a Vertical Plate with Variable Fluid Properties

Hall and induced magnetic field effects on convective flow of viscoelastic fluid within an inclined channel with periodic surface conditions

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