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|Title:||Steady natural convection flow in a square cavity filled with a porous medium for linearly heated side wall(s)|
|Keywords:||Finite element method|
Darcy Forchheimer model
Non uniform heating
Penalty finite element method
Finite element method
|Citation:||International Journal of Heat and Mass Transfer, 50(9-10), 1892-1901|
|Abstract:||In this paper natural convection flows in a square cavity filled with a porous matrix has been investigated numerically when the bottom wall is uniformly heated and vertical wall(s) are linearly heated whereas the top wall is well insulated. Darcy-Forchheimer model without the inertia term is used to simulate the momentum transfer in the porous medium. Penalty finite element method with bi-quadratic rectangular elements is used to solve the non-dimensional governing equations. Numerical results are presented for a range of parameters (Rayleigh number Ra, 103 ? Ra ? 106, Darcy number Da, 10-5 ? Da ? 10-3, and Prandtl number Pr, 0.2 ? Pr ? 100) in terms of stream functions and isotherm contours, and local and average Nusselt numbers. � 2006 Elsevier Ltd. All rights reserved.|
|Appears in Collections:||Articles|
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