Correlation of Pressure Undershoot During Hot-Water Depressurization

[+] Author and Article Information
Md. Alamgir

LOCA Systems Technology, General Electric Co., 175 Curtner Ave., San Jose, Calif. 95125

J. H. Lienhard

Mechanical Engineering Department, University of Houston, Houston, Tex. 77004

J. Heat Transfer 103(1), 52-55 (Feb 01, 1981) (4 pages) doi:10.1115/1.3244429 History: Received October 24, 1979; Online October 20, 2009


A method is devised for correlating the extent that the pressure of a system undershoots the saturation pressure during a rapid depressurization in water. The dependent variables in the correlation are the initial water temperature and the depressurization rate. The correlation is motivated by classical nucleation theory, and based on data from a variety of sources. The probable error of pressure undershoots predicted by the correlation is ±10.4 percent.

Copyright © 1981 by ASME
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