Journal
NUMERICAL HEAT TRANSFER PART B-FUNDAMENTALS
Volume 71, Issue 3, Pages 236-252Publisher
TAYLOR & FRANCIS INC
DOI: 10.1080/10407790.2016.1277919
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Funding
- Fonds de recherche du Quebec - Nature et Technologie (FRQNT)
- Natural Sciences and Engineering Research Council (NSERC) of Canada
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A method is proposed for the evaluation of the interfacial conduction heat transfer coefficient in two-temperature macroscopic models of homogeneous fluid-saturated porous media. It is based on the numerical solutions of a microscopic model of unsteady conduction heat transfer in periodic unit cells, with different uniform initial temperatures of the fluid and solid. A novel formulation of the microscopic model in the fully developed regime is also proposed. Results for the variation of interfacial conduction Nusselt number with porosity, fluid-solid thermal conductivity ratio, and fluid-solid thermal diffusivity ratio are presented and discussed for four two-dimensional and two three-dimensional cases.
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