Forced convection in a bi-disperse porous medium channel: a conjugate problem.
Author(s) : NIELD D. A., KUZNETSOV A. V.
Type of article: Article
Summary
Forced convection in a plane channel filled with a saturated bi-disperse porous medium, coupled with conduction in plane slabs bounding the channel, is investigated analytically on the basis of a two-velocity, two-temperature model. It is found that the effect of the finite thermal resistance due to the slabs is to reduce both the heat transfer to the porous medium and the degree of local thermal non-equilibrium. An increase in value of the Péclet number leads to a decrease in the rate of exponential decay in the downstream direction but does not affect the value of a suitably defined Nusselt number. The dependence of Nusselt number on Biot number associated with the boundary slabs, the interphase heat exchange parameter, the interphase thermal conductivity ratio, the interphase effective permeability ratio, and the macroscopic void fraction, is investigated.
Details
- Original title: Forced convection in a bi-disperse porous medium channel: a conjugate problem.
- Record ID : 2005-0616
- Languages: English
- Source: International Journal of Heat and Mass Transfer - vol. 47 - n. 24
- Publication date: 2004/11
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Indexing
- Themes: Mass transfer
- Keywords: Channel; Heat transfer; Research; Porous medium; Forced convection
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