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Proceedings Paper

Observations of bubble motions and distortions by streak camera
Author(s): Koji Takahashi; S. Mohri; Keishi Nishihara; Yasuhito Mori; Sachiko Hatano; Kunihito Nagayama
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Paper Abstract

Air bubbles are observed at the moment of there emergence from a vertical nozzle in water. We can classify them into two types by formation process. The bubbles broken off from a large air bulk always emit sound pulses, but those not being split but keeping their initial volume hardly produce any sound. By comparing their motions and distortions not only by means of the sequential series of photographs but also by the streak photographs of the vertical linear portion of the axisymmetric bubble, we obtain the difference of the subtle distortion of their surface which causes the emission of sound pulse.

Paper Details

Date Published: 30 May 1995
PDF: 5 pages
Proc. SPIE 2513, 21st International Congress on: High-Speed Photography and Photonics, (30 May 1995); doi: 10.1117/12.209625
Show Author Affiliations
Koji Takahashi, Kyushu Univ. (Japan)
S. Mohri, Kyushu Univ. (Japan)
Keishi Nishihara, Kyushu Univ. (Japan)
Yasuhito Mori, Kyushu Univ. (Japan)
Sachiko Hatano, Kyushu Univ. (Japan)
Kunihito Nagayama, Kyushu Univ. (Japan)

Published in SPIE Proceedings Vol. 2513:
21st International Congress on: High-Speed Photography and Photonics
Ung Kim; Joon-Sung Chang; Seung-Han Park, Editor(s)

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