Heat and mass transfer in magnetohydrodynamic flow of micropolar fluid on a circular cylinder with uniform heat and mass flux

Mansour, M. A.; El-Hakiem, M. A.; El-Kabeir, S. M. M.

doi:10.1016/s0304-8853(00)00488-1

Cited by 47 publications

(26 citation statements)

References 10 publications

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“…The fluid properties are assumed to be constant except for density variations in the buoyancy force term. With introducing Boussinesq approximations, the equations governing the steady-state conservation of mass, momentum, energy and constituent for laminar boundary layer flow through a homogeneous micropolar fluid near the surface of the sphere can be written in two-dimensional Cartesian coordinates (x,y) as [9][10][11]:…”

Section: Discussionmentioning

confidence: 99%

“…Bhattacharyya and Pop [9] studied the natural convection heat transfer near elliptical cylinders in micropolar fluids. Mansour et al [10] examined the heat and mass transfer in magnetohydrodynamic flow of micropolar fluid on a circular cylinder with uniform heat and mass flux. Nazar et al [11] studied the steady natural convection boundary layer flow over an isothermal sphere in a micropolar fluid.…”

Section: Introductionmentioning

confidence: 99%

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Nonsimilar solutions for double-diffusion boundary layers on a sphere in micropolar fluids with constant wall heat and mass fluxes

Cheng¹

2010

Applied Mathematical Modelling

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a b s t r a c tThis work presents nonsimilar boundary layer solutions for double-diffusion natural convection near a sphere with constant wall heat and mass fluxes in a micropolar fluid. A coordinate transformation is employed to transform the governing equations into nondimensional nonsimilar boundary layer equations and the obtained boundary layer equations are then solved by the cubic spline collocation method. Results for the local Nusselt number and the local Sherwood number are presented as functions of the vortex viscosity parameter, Schmidt number, buoyancy ratio, and Prandtl number. Higher vortex viscosity tends to retard the flow, and thus decreases the local convection heat and mass transfer coefficients, raising the wall temperature and concentration. Moreover, the local convection heat and mass transfer coefficients near a sphere in Newtonian fluids are higher than those in micropolar fluids.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Nonsimilar solutions for double-diffusion boundary layers on a sphere in micropolar fluids with constant wall heat and mass fluxes

Cheng¹

2010

Applied Mathematical Modelling

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“…Amongst them, Nazar et al [19,20] have considered free convection boundary-layer on an isothermal sphere and on an isothermal horizontal circular cylinder in a micropolar fluid. Mansour et al [21] have examined the heat and mass transfer in magnetohydrodynamic flow of micropolar fluid on a circular cylinder with uniform heat and mass flux. Alam et al [22] have studied the effects of viscous dissipation on MHD natural convection flow along a sphere.…”

Section: Introductionmentioning

confidence: 99%

Double-Diffusion MHD Free Convective Flow along a Sphere in the Presence of a Homogeneous Chemical Reaction and Soret and Dufour Effects

Chamkha¹

2017

ACM

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Abstract:A numerical solution is presented for the effects of chemical reaction, thermal radiation, Soret number, Dufour number and magnetic field on double-diffusion free convection flow along a sphere. The governing boundary-layer equations of the problem are formulated and transformed into non-similar form. The obtained equations are solved numerically by an efficient, iterative, tri-diagonal, implicit finite-difference method. The Roseland approximation is used to describe the radiative heat flux in the energy equation. Representative results for the fluid velocity, temperature and solute concentration profiles as well as the local heat and mass transfer rates for various values of the physical parameters are displayed in both graphical and tabular forms.

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“…Hossain et al [5] examined the effect of thermal radiation on natural convection over cylinders of elliptic cross section. Mansour et al [6] studied the coupled heat and mass transfer in magnetohydrodynamic flow of micropolar fluid on circular cylinders with uniform heat and mass flux. Cheng [7] studied the natural convection heat and mass transfer from a horizontal cylinder of elliptic cross section in micropolar fluid.…”

Section: Introductionmentioning

confidence: 99%

Natural convection boundary layer flow of fluid with temperature-dependent viscosity from a horizontal elliptical cylinder with constant surface heat flux

Cheng

2010

Applied Mathematics and Computation

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Heat and mass transfer in magnetohydrodynamic flow of micropolar fluid on a circular cylinder with uniform heat and mass flux

Cited by 47 publications

References 10 publications

Nonsimilar solutions for double-diffusion boundary layers on a sphere in micropolar fluids with constant wall heat and mass fluxes

Nonsimilar solutions for double-diffusion boundary layers on a sphere in micropolar fluids with constant wall heat and mass fluxes

Double-Diffusion MHD Free Convective Flow along a Sphere in the Presence of a Homogeneous Chemical Reaction and Soret and Dufour Effects

Natural convection boundary layer flow of fluid with temperature-dependent viscosity from a horizontal elliptical cylinder with constant surface heat flux

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