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Paper Abstract and Keywords
Presentation 2013-04-23 14:20
Experimental condition to excite surface oscillation of an attached bubble during ultrasound irradiation -- Measurement using a laser Doppler vibrometer --
Yukihiro Kagawa, Shunich Morioka, Kenji Yoshida, Daisuke Koyama, Yoshiaki Watanabe (Doshisha Univ.) US2013-3
Abstract (in Japanese) (See Japanese page) 
(in English) The measurement system using a high speed camera and laser Doppler vibrometer (LDV) was constructed to evaluate threshold conditions where an attached bubble shows the surface oscillation mode in acoustic standing wave of 28.0, 38.8 and 81.3 kHz. The high speed camera enabled to visually observe the bubble shape. LDV was used to quantitatively measure the displacement oscillation of bubble surface and obtain its frequency spectrum. Initial bubble radius ranged from 29 to 190 um. The frequency analysis of the displacement-time curve of bubble oscillation revealed that the sub-harmonic component was generated when the surface oscillation mode appeared. It was investigated how the threshold condition of the sub-harmonic generation varied depending on the parameters such as initial bubble radius and the sound frequency. As a result, we succeeded in formulating the threshold condition to excite the surface oscillation modes.
Keyword (in Japanese) (See Japanese page) 
(in English) Attached bubble / Surface oscillation / Subharmonic / laser Doppler vibtometer / / / /  
Reference Info. IEICE Tech. Rep., vol. 113, no. 13, US2013-3, pp. 11-16, April 2013.
Paper # US2013-3 
Date of Issue 2013-04-16 (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 US2013-3

Conference Information
Committee US  
Conference Date 2013-04-23 - 2013-04-23 
Place (in Japanese) (See Japanese page) 
Place (in English) The University of Electro-Communications 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Nonlinear Acoustics, General, etc 
Paper Information
Registration To US 
Conference Code 2013-04-US 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Experimental condition to excite surface oscillation of an attached bubble during ultrasound irradiation 
Sub Title (in English) Measurement using a laser Doppler vibrometer 
Keyword(1) Attached bubble  
Keyword(2) Surface oscillation  
Keyword(3) Subharmonic  
Keyword(4) laser Doppler vibtometer  
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1st Author's Name Yukihiro Kagawa  
1st Author's Affiliation Doshisha University (Doshisha Univ.)
2nd Author's Name Shunich Morioka  
2nd Author's Affiliation Doshisha University (Doshisha Univ.)
3rd Author's Name Kenji Yoshida  
3rd Author's Affiliation Doshisha University (Doshisha Univ.)
4th Author's Name Daisuke Koyama  
4th Author's Affiliation Doshisha University (Doshisha Univ.)
5th Author's Name Yoshiaki Watanabe  
5th Author's Affiliation Doshisha University (Doshisha Univ.)
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Speaker Author-1 
Date Time 2013-04-23 14:20:00 
Presentation Time 25 minutes 
Registration for US 
Paper # US2013-3 
Volume (vol) vol.113 
Number (no) no.13 
Page pp.11-16 
#Pages 6 
Date of Issue 2013-04-16 (US) 

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