Computational analysis of MHD flow, heat and mass transfer in trapezoidal porous cavity | Zendy

R. Younsi | Zendy

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Computational analysis of MHD flow, heat and mass transfer in trapezoidal porous cavity

Author(s) -

R. Younsi

Publication year - 2009

Publication title -

thermal science

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.339

H-Index - 43

eISSN - 2334-7163

pISSN - 0354-9836

DOI - 10.2298/tsci0901013y

Subject(s) - nusselt number , mechanics , darcy number , inertia , heat transfer , physics , finite volume method , magnetohydrodynamics , flow (mathematics) , sherwood number , darcy–weisbach equation , momentum (technical analysis) , mass transfer , magnetic field , porous medium , materials science , classical mechanics , porosity , reynolds number , finance , quantum mechanics , economics , turbulence , composite material

Numerical simulations are conducted for two-dimensional steady-state double diffusive flow in a trapezoidal porous cavity, submitted to axial magnetic field. The Darcy equation, including Brinkmamn and Forchheimer terms account for viscous and inertia effects, respectively is used for the momentum equation, and a SIMPLER algorithm, based on finite volume approach is used to solve the pressure-velocity coupling. An extensive series of numerical simulations is conducted in the range: 103 ≤ Ra ≤ 106,1 ≤ Ha ≤ 102, Da =10-5, N = 1, and Le = 10. It is shown that the application of a transverse magnetic field normal to the flow direction decreases the Nusselt number and Sherwood number. Illustrative graphs are presented

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