Thermophoretic MHD slip flow over a permeable surface with variable fluid properties

Das, Koushik; Jana, Subrata; Kundu, Prabir Kumar

doi:10.1016/j.aej.2014.11.005

Cited by 31 publications

(17 citation statements)

References 31 publications

(50 reference statements)

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“…where h T = ax (n−1)/2 describes heat transfer coefficient while a is a constant, also, [36,37]. More so, F = C b x √ K [38,39] indicates the non-uniform porous medium inertial coefficient while C b symbolizes the coefficient of drag.…”

Section: Continuity Equationmentioning

confidence: 99%

Irreversibility Analysis for Eyring–Powell Nanoliquid Flow Past Magnetized Riga Device with Nonlinear Thermal Radiation

Fatunmbi

Adeosun

Salawu

2021

Fluids

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The report contained in this article is based on entropy generation for a reactive Eyring–Powell nanoliquid transfer past a porous vertical Riga device. In the developed model, the impacts of viscous dissipation, thermophoresis alongside nonlinear heat radiation and varying heat conductivity are modelled into the heat equation. The dimensionless transport equations are analytically tackled via Homotopy analysis method while the computational values of chosen parameters are compared with the Galerkin weighted residual method. Graphical information of the various parameters that emerged from the model are obtained and deliberated effectively. The consequences of this study are that the temperature field expands with thermophoresis, Brownian motion and temperature ratio parameters as the modified Hartmann number compels a rise in the velocity profile. The entropy generation rises with an uplift in fluid material term as well as Biot and Eckert numbers whereas Bejan number lessens with Darcy and Eckert parameters.

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Section: Continuity Equationmentioning

confidence: 99%

Irreversibility Analysis for Eyring–Powell Nanoliquid Flow Past Magnetized Riga Device with Nonlinear Thermal Radiation

Fatunmbi

Adeosun

Salawu

2021

Fluids

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“…Also, the variation of the thermal conductivity k with temperature can be expressed in an approximately linear form as [33,37,38]…”

Section: Mathematical Formulationmentioning

confidence: 99%

Heat Transfer in Boundary Layer Magneto‐Micropolar Fluids with Temperature‐Dependent Material Properties over a Stretching Sheet

Fatunmbi

Okoya

2020

Advances in Materials Science and Engineering

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The process of heat transfer in boundary layer magneto-micropolar fluid with temperature-dependent material properties past a flat stretching sheet in a porous medium is investigated in this study. Two distinct cases of boundary heating conditions are analyzed for the heat transfer in this work, viz., prescribed surface temperature (PST) and prescribed heat flux (PHF). With the aid of similarity conversion analysis, the formulated equations of the flow and heat transfer have been translated into a system of nonlinear ordinary differential equations. Subsequently, Runge–Kutta–Fehlberg integration scheme in company of shooting techniques employed to obtain numerical solutions to the reduced equations. The findings are graphically illustrated and discussed in view of the two cases of boundary heating, while the results for the physical quantities of engineering concern are tabulated for various controlling parameters. In the limiting situations, the results generated are compared favourably with the earlier reported data in the literature, while the numerical solutions demonstrate a reduction in the rate of heat transfer Nux⋆ and the viscous drag Cf⋆ for both PST and PHF conditions with growth in the magnitude of material parameter K.

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“…In addition, it is already exploited as a novel tool in macromolecular fractionation, micro-fluidic manipulation, and selective tuning of colloidal structures. Analysis of thermophoretic MHD slip flow over a permeable surface has been presented by Das et al [3]. Chamkha et al [4] study the Hall current, thermal radiation, and chemical reaction effects on heat and mass transfer.…”

Section: Introductionmentioning

confidence: 99%

Couple Stresses and Thermophoresis Influences on Free Convective Heat and Mass Transfer of Viscoelastic Fluid with Hall and Ion-Slip Effects.

Shalaby

2020

JAP

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An analysis is presented to investigate the Hall and Ion-slip effects on non-Newtonian couple stress fluid flow between vertical channel in the presence of thermophoresis phenomena. The considered fluid obeys to the viscoelastic second-grade model. The problem is modulated mathematically to describe continuity, momentum, temperature, and concentration equations. The influences of physical parameters of dimensionless equations of velocity components () and (), temperature () and concentration () have been shown in some of figuthe res, as well as skin friction (), Nusselt number() and Sherwood number() have been computed. It is found that the velocity decreases with increasing in Hall parameter and Ion slip parameters.

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Thermophoretic MHD slip flow over a permeable surface with variable fluid properties

Cited by 31 publications

References 31 publications

Irreversibility Analysis for Eyring–Powell Nanoliquid Flow Past Magnetized Riga Device with Nonlinear Thermal Radiation

Irreversibility Analysis for Eyring–Powell Nanoliquid Flow Past Magnetized Riga Device with Nonlinear Thermal Radiation

Heat Transfer in Boundary Layer Magneto‐Micropolar Fluids with Temperature‐Dependent Material Properties over a Stretching Sheet

Couple Stresses and Thermophoresis Influences on Free Convective Heat and Mass Transfer of Viscoelastic Fluid with Hall and Ion-Slip Effects.

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