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多孔介质期刊
影响因子: 1.49 5年影响因子: 1.159 SJR: 0.43 SNIP: 0.671 CiteScore™: 1.58

ISSN 打印: 1091-028X
ISSN 在线: 1934-0508

多孔介质期刊

DOI: 10.1615/JPorMedia.v5.i4.10
11 pages

Convective Boiling Phenomena in a Sintered Fibrous Channel: Study of Thermal Non-Equilibrium Behavior

Lounes Tadrist
Aix-Marseille Universite, CNRS, Laboratoire IUSTI, UMR 7343, Marseille 13453, France
Marc Miscevic
Laboratoire Plasma et Conversion d'Energie (Laplace), UMR5213, Institut National Polytechnique-Universite Paul Sabatier-Centre National de la Recherche Scientifique (INP-UPS-CNRS), Toulouse, France
Frederic Topin
Polytech Marseille, Laboratoire IUSTI, UMR CNRS 7343, Technopole de Chateau Gombert, 5 rue Enrico Fermi, 13453 Marseille Cedex 13, France

ABSTRACT

Convective boiling and heat transfer are studied experimentally in a vertical sintered fibrous channel heated on the walls. For given values of the operating parameters, several zones, corresponding to different fluid states, appear in the channel. A thermal non-equilibrium state between the liquid and its vapor is observed for critical operating conditions. The transition corresponds to a dry out of the heated wall. The heat transfer between the walls and the fluid is systematically studied. A boiling curve, taking into account the presence of a thermal nonequilibrium zone, is derived for the sintered porous channel.


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