Prediction of Gaseous Cavitation Occurrence in Various Liquids Based on Two-Phase Flow Analogy

[+] Author and Article Information
S. Kamiyama

Institute of High Speed Mechanics, Tohoku University, Sendai, Japan

T. Yamasaki

Kochi University, Kochi Prefecture, Japan

J. Fluids Eng 103(4), 551-556 (Dec 01, 1981) (6 pages) doi:10.1115/1.3241766 History: Received February 11, 1980; Online October 26, 2009


An analytical method for predicting the cavitation occurrence is developed applying an analogy with the choking condition of two-phase flow. The effects of the presence of inert gas and thermodynamic depression on the inception of cavitation are estimated in various liquids such as water, freon, hydrogen, and sodium. It is clearly shown that the thermodynamic effects are remarkable in the case of low flow velocity in fluids with small Spraker’s B-factor (<1.0m−1 ). Also, the predicted values show reasonable agreement with some experimental data.

Copyright © 1981 by ASME
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