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Role of the importance of ‘Forchheimer term' for visualization of natural convection in porous enclosures of various shapes

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Référence International Journal of Heat and Mass Transfer, 97, page (1044-1068)
Publication Publié, 2016

Article révisé par les pairs

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Résumé :

The present study deals with the importance of the quadratic (Forchheimer) drag force for the flow through porous media during natural convection within various geometrical shapes (square, rhombus, concave and convex). The enclosures consist of the uniformly heated bottom wall, cold side walls and adiabatic top wall. The numerical simulations are performed via the Galerkin finite element method for various Darcy numbers (10-5⩽Dam⩽1), Prandtl numbers (Prm