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International Heat Transfer Conference 12

ISSN: 2377-424X (online)
ISSN: 2377-4371 (flashdrive)

Boiling phenomena in jet cooling of hot plates

H. Robidou
Valeo Thermique Habitacle, Route de chemire le gaudin, BP 14, 72210, LA SUZE

Hein Auracher
Institut für Technische Thermodynamik und Thermische Verfahrenstechnik Universität Stuttgart, Pfaffenwaldring 9, 7000 Stuttgart 80, FRG; TU Berlin, Institut fur Energietechnik, Sekr. KT1, Marchstrasse 18, D-10587 Berlin, Germany

J. L. Borean
ARCELOR Research, Maizières-lès-Metz, France

Pascal Gardin
ARCELOR Research, Maizières-lès-Metz, France

Michel Lebouche
Laboratoire d'Energetique et de Mecanique Theorique et Appliquee Institut National Polytechnique de Lorraine, Universite Henri Poincare - Nancy I 2, Avenue de la Foret de Haye BP 160, F-54504 Vandoeuvre-les-Nancy Cedex France

DOI: 10.1615/IHTC12.1710
6 pages

Abstract

New results for the boiling curves with water jets are presented in this paper. An apparatus was built to study the boiling heat transfer from a hot plate to a planar jet of water, under steady-state conditions. The temperature controlled regulation allows the local determination of boiling regimes from forced convection to film boiling. By solving the two dimensional inverse heat conduction problem, the local heat flux and corresponding temperature can be computed. Measurements show important differences between boiling curves at the stagnation line and in the parallel flow region. At the stagnation line, the transition boiling regime is characterized by very high heat fluxes, and extended over a wide temperature range. Boiling regimes can be characterized from temperature signals measurements.

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