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Paper Abstract and Keywords
Presentation 2020-11-05 15:20
Observation of the sound field by the schlieren method in ultrasonic atomization using a horn
Takuya Yoshimoto (AIT), Shin-ichi Hatanaka (UEC), Masanori Sato (Honda Electronics), Teruyuki Kozuka (AIT) US2020-48
Abstract (in Japanese) (See Japanese page) 
(in English) The efficiency of ultrasonic atomization can be improved if a horn is attached to the ultrasonic transducer during atomization. This is because the ultrasonic waves are reflected inside the horn and are focused at the tip of the horn. In this study, ultrasonic waves radiated through the tips of horns with different diameters were visualized by the schlieren method, where tone burst waves at 1 MHz were radiated and the sound propagation was observed by shifting the timing of the strobe flash light. In addition, discontinuous Galerkin finite element method (DG-FEM) simulations were performed and compared with experiments. As a result, the smaller the horn's upper end diameter, the more the ultrasonic waves spread out as they propagated. The experimental results were in good agreement with the simulation results.
Keyword (in Japanese) (See Japanese page) 
(in English) Ultrasonic atomization / Schlieren method / Tone burst wave / Stroboscopic observation / DG-FEM / / /  
Reference Info. IEICE Tech. Rep., vol. 120, no. 222, US2020-48, pp. 29-33, Nov. 2020.
Paper # US2020-48 
Date of Issue 2020-10-29 (US) 
ISSN Online edition: ISSN 2432-6380
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)
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Conference Information
Committee US  
Conference Date 2020-11-05 - 2020-11-05 
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Paper Information
Registration To US 
Conference Code 2020-11-US 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Observation of the sound field by the schlieren method in ultrasonic atomization using a horn 
Sub Title (in English)  
Keyword(1) Ultrasonic atomization  
Keyword(2) Schlieren method  
Keyword(3) Tone burst wave  
Keyword(4) Stroboscopic observation  
Keyword(5) DG-FEM  
1st Author's Name Takuya Yoshimoto  
1st Author's Affiliation Aichi Institute of Technology (AIT)
2nd Author's Name Shin-ichi Hatanaka  
2nd Author's Affiliation The University of Electro-Communications (UEC)
3rd Author's Name Masanori Sato  
3rd Author's Affiliation Honda Elctronics (Honda Electronics)
4th Author's Name Teruyuki Kozuka  
4th Author's Affiliation Aichi Institute of Technology (AIT)
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Speaker Author-1 
Date Time 2020-11-05 15:20:00 
Presentation Time 25 minutes 
Registration for US 
Paper # US2020-48 
Volume (vol) vol.120 
Number (no) no.222 
Page pp.29-33 
Date of Issue 2020-10-29 (US) 

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