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RESEARCH PAPERS: Boiling and Condensation

Heater Orientation Effects on Pool Boiling of Micro-Porous-Enhanced Surfaces in Saturated FC-72

[+] Author and Article Information
J. Y. Chang, S. M. You

Department of Mechanical and Aerospace Engineering, The University of Texas at Arlington, Arlington, TX 76019-0023

J. Heat Transfer 118(4), 937-943 (Nov 01, 1996) (7 pages) doi:10.1115/1.2822592 History: Received June 27, 1995; Revised July 22, 1996; Online December 05, 2007

Abstract

Experiments are performed to understand the effects of surface orientation on the pool boiling characteristics of a highly wetting fluid from a flush-mounted, micro-porous-enhanced square heater. Micro-porous enhancement was achieved by applying copper and aluminum particle coatings to the heater surfaces. Effects of heater orientation on CHF and nucleate boiling heat transfer for uncoated and coated surfaces are compared. A correlation is developed to predict the heater orientation effect on CHF for those surfaces.

Copyright © 1996 by The American Society of Mechanical Engineers
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