Mixed convection flow in a lid-driven enclosure filled with a fluid-saturated porous medium

Volume averaged equations governing unsteady, laminar, mixed convection flow in an enclosure filled with a Darcian fluid-saturated uniform porous medium in the presence of internal heat generation is formulated. The two vertical walls of the enclosure are insulated while the horizontal walls are kep...

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Bibliographic Details
Published in:International journal of heat and mass transfer 1999-07, Vol.42 (13), p.2465-2481
Main Authors: Khanafer, Khalil M., Chamkha, Ali J.
Format: Article
Language:English
Subjects:
Boundary conditions
Convection and heat transfer
Enclosures
Exact sciences and technology
Finite volume method
Flows through porous media
Fluid dynamics
Fundamental areas of phenomenology (including applications)
heat generation
Laminar flow
Laminar flows
Laminar flows in cavities
mixed convection
Nonhomogeneous flows
Physics
Porous materials
porous medium
Turbulent flows, convection, and heat transfer
Wall flow
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Summary:Volume averaged equations governing unsteady, laminar, mixed convection flow in an enclosure filled with a Darcian fluid-saturated uniform porous medium in the presence of internal heat generation is formulated. The two vertical walls of the enclosure are insulated while the horizontal walls are kept at constant temperatures with the top surface is moving at a constant speed. The developed equations are nondimensionalized and then solved numerically subject the appropriate initial and boundary conditions by the finite-volume approach along with the Alternating Direct Implicit (ADI) procedure. Comparisons with previously published work are performed and found to be in excellent agreement. A parametric study is conducted and a set of graphical results is presented and discussed to elucidate interesting features of the solution.
ISSN:0017-9310
1879-2189
DOI:10.1016/S0017-9310(98)00227-0