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HEAT FLUX INDUCED DRYOUT AND RE WET IN THIN FILMS

Gustave Stroes
Mechanical, Aerospace and Nuclear Engineering Department University of California, Los Angeles, Los Angeles, CA 90024-1597, USA

Darren Fricker
Mechanical, Aerospace and Nuclear Engineering Department University of California, Los Angeles, Los Angeles, CA 90024-1597, USA

Farrokh Issacci
Mechanical, Aerospace and Nuclear Engineering Department University of California, Los Angeles, Los Angeles, CA 90024-1597, USA

Ivan Catton
Morin, Martinelli, Gier Memorial Heat Transfer Laboratory, Department of Mechanical and Aerospace Engineering, School of Engineering and Applied Science, University of California, Los Angeles, USA

Abstract

Heat flux induced dryout of thin liquid films on an inclined copper plate was studied. Rewet of the dried out area is also considered. The four fluids used to form the thin films exhibited very different dryout and rewet characteristics. The contact angle and hysteresis effects were found to be important, but they must be considered in context with other parameters. No single variable was found to independently determine the pattern of dryout and rewet.

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