Observations of bubble motions and distortions by streak camera

Koji Takahashi; S. Mohri; Keishi Nishihara; Yasuhito Mori; Sachiko Hatano; Kunihito Nagayama

doi:10.1117/12.209625

30 May 1995 Observations of bubble motions and distortions by streak camera

Koji Takahashi, S. Mohri, Keishi Nishihara, Yasuhito Mori, Sachiko Hatano, Kunihito Nagayama

Proceedings Volume 2513, 21st International Congress on: High-Speed Photography and Photonics; (1995) https://doi.org/10.1117/12.209625
Event: High-Speed Photography and Photonics: 21st International Congress, 1994, Taejon, Korea, Republic of

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.

Citation Download Citation

Koji Takahashi, S. Mohri, Keishi Nishihara, Yasuhito Mori, Sachiko Hatano, and Kunihito Nagayama "Observations of bubble motions and distortions by streak camera", Proc. SPIE 2513, 21st International Congress on: High-Speed Photography and Photonics, (30 May 1995); https://doi.org/10.1117/12.209625

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