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TECHNICAL PAPERS

Modeling of 2-D Leakage Jet Cavitation as a Basic Study of Tip Leakage Vortex Cavitation

[+] Author and Article Information
Satoshi Watanabe

Faculty of Engineering, Kyushu University, 6-10-1 Hakozaki, Higashi-ku, Fukuoka 812-8581 Japan

Hiraku Seki, Seiji Higashi, Kazuhiko Yokota, Yoshinobu Tsujimoto

Graduate School of Engineering Science, Osaka University, 1-3 Machikaneyama, Toyonaka, Osaka 560-8531 Japan

J. Fluids Eng 123(1), 50-56 (Oct 13, 2000) (7 pages) doi:10.1115/1.1340634 History: Received March 22, 2000; Revised October 13, 2000
Copyright © 2001 by ASME
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References

Figures

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Comparisons of cavity behavior between calculations (I)–(III) and experiment (τ=6.2 [mm],P0=5 [kPa]. Uncertainties in the location of center of cavity and cavity size are 1 [mm] and 20 [mm2 ], respectively).
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Comparisons of distributions of discrete vortices between calculations (I)–(II) and (III) (τ=6.2 [mm],P0=5 [kPa])
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Time histories of leakage velocity and downstream pressure (τ=6.2 [mm],P0=5, 7 and 9 [kPa]. Uncertainties in the leakage velocity and downstream pressure are 0.5 [m/s] and 0.1 [kPa], respectively).
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Influence of downstream pressure on cavity behavior (τ=6.2 [mm],P0=5, 7 and 9 [kPa]. Uncertainties in the location of center of cavity and cavity size are 1 [mm] and 20 [mm2 ], respectively).
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Time histories of leakage velocity and downstream pressure (τ=4.4, 6.2 and 9.6 [mm], P0=5 [kPa]. Uncertainties in the leakage velocity and downstream pressure are 0.5 [m/s] and 0.1 [kPa], respectively).
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Influence of tip clearance τ on cavity behavior (τ=4.4, 6.2 and 9.6 [mm], P0=5 [kPa]. Uncertainties in the location of center of cavity and cavity size are 1 [mm] and 50 [mm2 ], respectively).
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Example of pictures of cavitation in the two-dimensional tip leakage flow (τ=6.2 [mm], P0=5 [kPa])
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Model for present calculation

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