Observations of bubble motions and distortions by streak camera

Research output: Chapter in Book/Report/Conference proceedingConference contribution


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 languageEnglish
Title of host publicationProceedings of the SPIE
Publication statusPublished - 1995


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