Prediction of Transient Inception of Boiling in Terms of a Heterogeneous Nucleation Theory

[+] Author and Article Information
L. Nghiem, E. R. F. Winter

Technical University, Munich, Federal Republic of Germany

H. Merte

University of Michigan, Ann Arbor, Mich.

H. Beer

Technical Hochschule, Darmstadt, Federal Republic of Germany

J. Heat Transfer 103(1), 69-73 (Feb 01, 1981) (5 pages) doi:10.1115/1.3244433 History: Received July 07, 1980; Online October 20, 2009


Transient boiling in water and Freon 113 with various heater surfaces was investigated experimentally with step power inputs. It was observed that the inception or onset of boiling depends not only on the temperature, but is time dependent as well. This dependence can be explained in terms of a heterogeneous nucleation theory based on the homogeneous nucleation theory. The influence of the heater surface was accounted for by a nucleation factor which is liquid-specific. With this factor and one experimental value of inception for a given system, the time dependence of inception temperature can be computed.

Copyright © 1981 by ASME
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