In the present study criterion for local thermal equilibrium assumption is studied. It concerns with the fluid flow and heat transfer between two parallel plates filled with a saturated porous medium under non-equilibrium condition. A two-equation model is utilized to represent the fluid and solid energy transport. Numerical Finite Volume Method has been developed for solving coupled energy equations and the Non-Darcian effects are considered for description of momentum equation. The effects of suitable non dimensional parameters as Peclet number and conductivity ratio has been studied thoroughly. A suitable non dimensional equation proposed in wide range of Peclet number and conductivity ratio. This equation shows the temperature difference between solid and fluid phases.
Heat Transfer and Fluid Flow in Porous Media With Two Equations Non-Darcian Model
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Nouri-Borujerdi, A, & Nazari, M. "Heat Transfer and Fluid Flow in Porous Media With Two Equations Non-Darcian Model." Proceedings of the ASME 2005 Fluids Engineering Division Summer Meeting. Volume 2: Fora. Houston, Texas, USA. June 19–23, 2005. pp. 637-640. ASME. https://doi.org/10.1115/FEDSM2005-77145
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