Observations of bubble motions and distortions by streak camera

Koji Takahashi; S. Mohri; K. Nishihara; Y. Mori; S. Hatano; K. Nagayama

doi:10.1117/12.209625

Observations of bubble motions and distortions by streak camera

Koji Takahashi, S. Mohri, K. Nishihara, Y. Mori, S. Hatano, K. Nagayama

Thermophysics and Fluid Mechanics

Research output: Contribution to journal › Conference article › peer-review

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.

Original language	English
Pages (from-to)	35-39
Number of pages	5
Journal	Proceedings of SPIE - The International Society for Optical Engineering
Volume	2513
DOIs	https://doi.org/10.1117/12.209625
Publication status	Published - May 30 1995
Event	21st International Congress on HighSpeed Photography and Photonics 1994 - Taejon, Korea, Republic of Duration: Aug 29 1994 → Sept 2 1994

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Computer Science Applications
Applied Mathematics
Electrical and Electronic Engineering

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10.1117/12.209625

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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.",

author = "Koji Takahashi and S. Mohri and K. Nishihara and Y. Mori and S. Hatano and K. Nagayama",

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T1 - Observations of bubble motions and distortions by streak camera

AU - Takahashi, Koji

AU - Mohri, S.

AU - Nishihara, K.

AU - Mori, Y.

AU - Hatano, S.

AU - Nagayama, K.

PY - 1995/5/30

Y1 - 1995/5/30

N2 - 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.

AB - 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.

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SP - 35

EP - 39

JO - Proceedings of SPIE - The International Society for Optical Engineering

JF - Proceedings of SPIE - The International Society for Optical Engineering

T2 - 21st International Congress on HighSpeed Photography and Photonics 1994

Y2 - 29 August 1994 through 2 September 1994

ER -

Observations of bubble motions and distortions by streak camera

Abstract

All Science Journal Classification (ASJC) codes

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