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CONJUGATE HEAT TRANSFER IN METAL FOAM: GRAVITY DRIVEN AND FORCED FLOW HEAT EXCHANGE COEFFICIENTS DETERMINATION

卷 16, 册 1, 2013, pp. 41-58
DOI: 10.1615/JPorMedia.v16.i1.50
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摘要

This paper presents an experimental and numerical study of heat and mass transfer in a porous channel crossed by a gravity driven or forced fluid flow. We measured mass flux and local and overall heat transfer coefficients. In the gravity driven case, a maximal mass flux is observed, for which a maximal heat flux is measured. We propose an analytical model based on the Forchheimer law to determine this mass flux. Pore scale numerical simulations were used to provide local quantities and provide complementary interpretation of experimental data. Finally, we have shown that only a part of the foam is efficient for heat transfer and we have determined a foam active length. We propose an analytical model to evaluate this active length.

对本文的引用
  1. Afshari Ebrahim, Ziaei-Rad Masoud, Shariati Zahra, A study on using metal foam as coolant fluid distributor in the polymer electrolyte membrane fuel cell, International Journal of Hydrogen Energy, 41, 3, 2016. Crossref

  2. Jobic Yann, Kumar Prashant, Topin Frédéric, Occelli René, Transport properties of solid foams having circular strut cross section using pore scale numerical simulations, Heat and Mass Transfer, 54, 8, 2018. Crossref

  3. Vazifeshenas Y., Sedighi K., Shakeri M., Open Cell Metal Foam as Extended Coolant Surface – Fuel Cell Application, Fuel Cells, 20, 2, 2020. Crossref

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