Laser Interferometric Investigation of the Microlayer Evaporation Phenomenon

[+] Author and Article Information
C. M. Voutsinos

Canatom Limited, Montreal, Canada

R. L. Judd

McMaster University, Hamilton, Canada

J. Heat Transfer 97(1), 88-92 (Feb 01, 1975) (5 pages) doi:10.1115/1.3450295 History: Received May 30, 1974; Online August 11, 2010


An experimental investigation is presented in which the growth and evaporation of the microlayer underlying a bubble forming on a glass heater surface has been studied using laser interferometry and high speed photography. The results presented for a single bubble indicate that the microlayer thickness is of the order of 5 μm. Subsequent analysis of these results confirms that the microlayer evaporation phenomenon is a significant heat transfer mechanism, representing approximately 25 percent of the total nucleate boiling heat transfer rate for the conditions investigated.

Copyright © 1975 by ASME
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