Abstract
Based on the two-energy equation model, taking into account viscous dissipation due to the interaction between solid skeleton and pore fluid flow, temperature expressions of the solid skeleton and pore fluid flow are obtained analytically for the thermally developing forced convection in a saturated porous medium parallel plate channel, with walls being at constant temperature. It is proved that the temperatures of the two phases for the local thermal nonequilibrium approach to the temperature derived from the one-energy equation model for the local thermal equilibrium when the heat exchange coefficient goes to infinite. The temperature profiles are shown in figures for different dimensionless parameters and the effects of the parameters on the local thermal nonequilibrium are revealed by parameter study.
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Communicated by CHENG Chang-jun
Project supported by the National Natural Science Foundation of China (No. 10272070) and the Shanghai Leading Academic Discipline Project (No. Y0103)
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Yang, X., Liu, Xm. Temperature profiles of local thermal nonequilibrium for thermal developing forced convection in porous medium parallel plate channel. Appl Math Mech 27, 1123–1131 (2006). https://doi.org/10.1007/s10483-006-0813-z
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DOI: https://doi.org/10.1007/s10483-006-0813-z
Key words
- porous medium
- thermally developing forced convection
- local thermal nonequilibrium
- Brinkman number
- Biot number
- Péclet number