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Journal of Porous Media
IF: 1.49 5-Year IF: 1.159 SJR: 0.43 SNIP: 0.671 CiteScore™: 1.58

ISSN Print: 1091-028X
ISSN Online: 1934-0508

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Journal of Porous Media

DOI: 10.1615/JPorMedia.v10.i1.40
pages 51-70

Flow Laws in Metallic Foams: Experimental Determination of Inertial and Viscous Contributions

Brahim Madani
Laboratory of Multiphase Transport and Porous Media (LTPMP), Faculty of Mechanical and Process Engineering (FGMGP)/USTHB, BP. 32, El Alia, Algiers, Algeria
Frederic Topin
Polytech Marseille, Laboratoire IUSTI, UMR CNRS 7343, Technopole de Chateau Gombert, 5 rue Enrico Fermi, 13453 Marseille Cedex 13, France
Fabrice Rigollet
Aix Marseille Univ, CNRS, IUSTI
Lounes Tadrist
Aix-Marseille Universite, CNRS, Laboratoire IUSTI, UMR 7343, Marseille 13453, France

ABSTRACT

We present here experiments dealing with the hydrodynamic characterization of high-porosity metallic foam, performed on copper foam. The experimental setup and the procedure used to obtain the hydrodynamic data are described. Analysis of these measurements is conducted using the parameter estimation method. Brazing foam on the channel wall is found to have no effects on pressure drop. This study demonstrates that for this category of porous material, the inertial factor is evaluated accurately, whereas the permeability cannot be determined with reasonable uncertainties. A general trend for metallic foam hydraulic parameters is deduced using the present results and those given in the open literature. Macroscopic characteristics are not sufficient to establish the flow laws. Pore scale topology of the metallic foam should be taken into account in the flow law model.


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