An Experimental Study of the Rapid Depressurization of Hot Water

[+] Author and Article Information
Md. Alamgir

General Electric Co., San Jose, Calif. 95125

C. Y. Kan

Nutech, San Jose, Calif. 95119

J. H. Lienhard

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

J. Heat Transfer 102(3), 433-438 (Aug 01, 1980) (6 pages) doi:10.1115/1.3244318 History: Received October 29, 1979; Online October 20, 2009


New measurements of the pressure history in 5.08 and 1.27 cm i.d. tubes during extremely rapid depressurization from BWR and PWR conditions are presented. The pressure to which the present system (as well as the systems of other investigators) returns, is successfully correlated using a suggestion by Stuhmiller. New pressure undershoot data are given here, but they are rationalized elsewhere. The rate of opening, and the rarefaction wave speed, in the present system are also presented and correlated. The present study suggests that scaled replications of the early process of depressurization are reliable.

Copyright © 1980 by ASME
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