A Generalized Approach on Equilibrium Theory of Cavitation Nuclei in Liquid-Gas Solutions

[+] Author and Article Information
Jing-Fa Tsai, Yih-Nan Chen

Institute of Naval Architecture, National Taiwan University, Taipei Taiwan

J. Fluids Eng 112(4), 487-491 (Dec 01, 1990) (5 pages) doi:10.1115/1.2909432 History: Received February 07, 1989; Online May 23, 2008


The availability of a single bubble-droplet system is derived from energy conservation and the principle of entropy. The equilibrium and critical conditions are determined by minimizing the availability without any assumption on the volume of the bubble-droplet system. It is found that the compressibility effect of the liquid-gas solution can be neglected in such a small bubble-droplet system and dilute solution condition. The results of the present analyses confirm previous conclusions reached by Cha that a bubble can remain in a state of stable equilibrium provided that the ratio of the total number of moles of gas to the total number of moles of the liquid is not extremely small and the external pressure falls between a dissolution limit and a cavitation limit.

Copyright © 1990 by The American Society of Mechanical Engineers
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