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| Presentation | 2017-12-11 15:30 Visualization of Cavitation Bubble and Ultrasonic Pulse Transmission Generated by Snapping Shrimp Kazuyoshi Mori, Hiroyuki Kawahara, Hanako Ogasawara (NDA), Kouichi Fujimura (Katokoken)  US2017-78 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | It is important to survey biological transient noises produced by snapping shrimp, which may be the main noise sources in ambient noise imaging applications in coastal waters. The authors had gathered some samples of snapping shrimps in Hashirimizu Port at Yokosuka, and had measured those sounds in laboratory conditions, previously. Those results showed the weak positive correlations between the source levels and the length of claw (length of body), and the omni-directionalities of the generated sounds. In the present study, the visualization of the cavitation bubble and ultrasonic pulse transmission generated by snapping shrimp was conducted. The samples were captured in Hashirimizu Port at Yokosuka and Uchiura Bay at Numazu. The movies obtained by Schlieren method showed that the single bubble is generated when the claw is closed, the spherical wave with very short pulse length is radiated directly after the bubble is collapsed, and the spherical wave transmission repeats every collapse of rebounded bubble. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Ocean Ambient Noise / Biological Noise / Snapping Shrimp / Schlieren Method / Visualization / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 117, no. 342, US2017-78, pp. 21-24, Dec. 2017. | |
| Paper # | US2017-78 | |
| Date of Issue | 2017-12-04 (US) | |
| ISSN | Print edition: ISSN 0913-5685 Online edition: ISSN 2432-6380 | |
| Copyright and reproduction |
All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034) | |
| Download PDF | US2017-78 |
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| Conference Information | |
| Committee | US |
| Conference Date | 2017-12-11 - 2017-12-11 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | US |
| Conference Code | 2017-12-US |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Visualization of Cavitation Bubble and Ultrasonic Pulse Transmission Generated by Snapping Shrimp |
| Sub Title (in English) | |
| Keyword(1) | Ocean Ambient Noise |
| Keyword(2) | Biological Noise |
| Keyword(3) | Snapping Shrimp |
| Keyword(4) | Schlieren Method |
| Keyword(5) | Visualization |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Kazuyoshi Mori |
| 1st Author's Affiliation | National Defense Academy (NDA) |
| 2nd Author's Name | Hiroyuki Kawahara |
| 2nd Author's Affiliation | National Defense Academy (NDA) |
| 3rd Author's Name | Hanako Ogasawara |
| 3rd Author's Affiliation | National Defense Academy (NDA) |
| 4th Author's Name | Kouichi Fujimura |
| 4th Author's Affiliation | Katokoken Co. Ltd. (Katokoken) |
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| Speaker | Author-1 |
| Date Time | 2017-12-11 15:30:00 |
| Presentation Time | 25 minutes |
| Registration for | US |
| Paper # | US2017-78 |
| Volume (vol) | vol.117 |
| Number (no) | no.342 |
| Page | pp.21-24 |
| #Pages | 4 |
| Date of Issue | 2017-12-04 (US) |
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