Optical Observation of the Supercavitation Induced by High-Speed Water Entry

[+] Author and Article Information
Hong-Hui Shi, Motoyuki Itoh, Takuya Takami

Department of Mechanical Engineering, Nagoya Institute of Technology, Gokiso-cho, Showa-ku, Nagoya 466-8555 Japan

J. Fluids Eng 122(4), 806-810 (Jul 10, 2000) (5 pages) doi:10.1115/1.1310575 History: Received January 28, 2000; Revised July 10, 2000
Copyright © 2000 by ASME
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Grahic Jump Location
(a) Experimental setup for optical observation of high-speed water entry. (b) Photograph of the experimental setup for water entry tests
Grahic Jump Location
Time history of phenomena accompanying water entry. The frames show production of splash, cavity, surface closure, and disappearance of cavity.
Grahic Jump Location
Motion of splash. Upper splash changes upward jets and other splash domes over to cause surface seal of cavity.
Grahic Jump Location
Motion of cavity. Cavity pulled away from the water surface and then the flat cavity top is characteristic of cavity development.




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