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| Presentation | 2017-01-26 15:10 Sonoluminescence and bubble dynamics in glycerol-water system Munenori Ban, Pak-Kon Choi (Meiji Univ.)  US2016-117 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | To investigate the mechanism of sonoluminescence (SL) from viscous liquid, we measured the SL intensity, SL pulse width and the bubble dynamics in glycerol-water mixtures. The SL intensity increased and maximized at 80% glycerol at ultrasonic frequency of 50 kHz. Conversely, the SL intensity decreased with increasing glycerol concentration at 150 kHz. High-speed shadowgraphy of cavitation bubbles demonstrated that spherical oscillation due to viscous damping and the increase in the tiny bubble number are responsible for the result at 50 kHz. At 150 kHz viscous damping prohibited bubble compression, which resulted in the temperature decrease at bubble collapse. The SL pulse width showed broadening with increasing the glycerol concentration. The broadening may be associated with a viscous slowing of the bubble wall in the very last stage of the initial collapse. The multiple-peak pulse observed from NaCl solution of 80% glycerol at 28 kHz is arisen from the superposition of SL pulse from characteristic bubble cluster radiating Na emission. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | sonoluminescence / sonoluminescence pulse / bubble dynamics / glycerol-water system / high speed camera / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 116, no. 419, US2016-117, pp. 223-226, Jan. 2017. | |
| Paper # | US2016-117 | |
| Date of Issue | 2017-01-18 (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 | US2016-117 |
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| Conference Information | |
| Committee | EA US |
| Conference Date | 2017-01-25 - 2017-01-26 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Doshisha Univ. |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | [Joint Meeting on Acoustics and Ultrasonics Subsociety] Engineering/Electro Acoustics, Ultrasonic and Underwater Acoustics, and Related Topics |
| Paper Information | |
| Registration To | US |
| Conference Code | 2017-01-EA-US |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Sonoluminescence and bubble dynamics in glycerol-water system |
| Sub Title (in English) | |
| Keyword(1) | sonoluminescence |
| Keyword(2) | sonoluminescence pulse |
| Keyword(3) | bubble dynamics |
| Keyword(4) | glycerol-water system |
| Keyword(5) | high speed camera |
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| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Munenori Ban |
| 1st Author's Affiliation | Meiji University (Meiji Univ.) |
| 2nd Author's Name | Pak-Kon Choi |
| 2nd Author's Affiliation | Meiji University (Meiji Univ.) |
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| Speaker | Author-2 |
| Date Time | 2017-01-26 15:10:00 |
| Presentation Time | 25 minutes |
| Registration for | US |
| Paper # | US2016-117 |
| Volume (vol) | vol.116 |
| Number (no) | no.419 |
| Page | pp.223-226 |
| #Pages | 4 |
| Date of Issue | 2017-01-18 (US) |
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