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Numerical Simulation of Transient Free Convection Flow and Heat Transfer in a Porous Medium

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  • Rajesh Sharma
  • Anuar Ishak

Abstract

The coupled momentum and heat transfer in unsteady, incompressible flow along a semi-infinite vertical porous moving plate adjacent to an isotropic porous medium with viscous dissipation effect are investigated. The Darcy-Forchheimer nonlinear drag force model which includes the effects of inertia drag forces is employed. The governing differential equations of the problem are transformed into a system of nondimensional differential equations which are solved numerically by the finite element method (FEM). The non-dimensional velocity and temperature profiles are presented for the influence of Darcy number, Forchheimer number, Grashof number, Eckert number, Prandtl number, plate velocity, and time. The Nusselt number is also evaluated and compared with finite difference method (FDM), which shows excellent agreement.

Suggested Citation

  • Rajesh Sharma & Anuar Ishak, 2013. "Numerical Simulation of Transient Free Convection Flow and Heat Transfer in a Porous Medium," Mathematical Problems in Engineering, Hindawi, vol. 2013, pages 1-9, September.
    • Handle: RePEc:hin:jnlmpe:371971
    DOI: 10.1155/2013/371971
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