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Paper Abstract and Keywords
Presentation 2011-12-22 13:00
Simulation of acoustic streaming in an ultrasonic air pump using GPU array
Yuji Wada, Daisuke Koyama, Kentaro Nakamura (Tokyo Tech.) US2011-77
Abstract (in Japanese) (See Japanese page) 
(in English) Direct finite difference fluid simulation of acoustic streaming on the fine-meshed three-dimensional model by graphics processing unit (GPU)-oriented calculation array is discussed. Airflows due to the acoustic traveling wave are induced when an intense sound field is generated in a gap between a bending transducer and a reflector. Calculation results showed good agreement with the measurements in the pressure distribution. In addition to that, several flow-vortices were observed near the boundary of the reflector and the transducer, which have been often discussed near the boundary in an acoustic tube, and have never been observed in the previous numerical studies for the ultrasonic air pump of this type.
Keyword (in Japanese) (See Japanese page) 
(in English) Acoustic streaming / Air pump / Bending vibration / Numerical analysis / GPU parallel Computing / / /  
Reference Info. IEICE Tech. Rep., vol. 111, no. 370, US2011-77, pp. 1-6, Dec. 2011.
Paper # US2011-77 
Date of Issue 2011-12-15 (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 US2011-77

Conference Information
Committee US  
Conference Date 2011-12-22 - 2011-12-22 
Place (in Japanese) (See Japanese page) 
Place (in English) Suzukakedai Campus, Tokyo Institute of Technology 
Topics (in Japanese) (See Japanese page) 
Topics (in English) High Power Ultrasound 
Paper Information
Registration To US 
Conference Code 2011-12-US 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Simulation of acoustic streaming in an ultrasonic air pump using GPU array 
Sub Title (in English)  
Keyword(1) Acoustic streaming  
Keyword(2) Air pump  
Keyword(3) Bending vibration  
Keyword(4) Numerical analysis  
Keyword(5) GPU parallel Computing  
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1st Author's Name Yuji Wada  
1st Author's Affiliation Precision and Intelligence Laboratory, Tokyo Institute of Technology (Tokyo Tech.)
2nd Author's Name Daisuke Koyama  
2nd Author's Affiliation Precision and Intelligence Laboratory, Tokyo Institute of Technology (Tokyo Tech.)
3rd Author's Name Kentaro Nakamura  
3rd Author's Affiliation Precision and Intelligence Laboratory, Tokyo Institute of Technology (Tokyo Tech.)
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Speaker Author-1 
Date Time 2011-12-22 13:00:00 
Presentation Time 25 minutes 
Registration for US 
Paper # US2011-77 
Volume (vol) vol.111 
Number (no) no.370 
Page pp.1-6 
#Pages 6 
Date of Issue 2011-12-15 (US) 

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