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Paper Abstract and Keywords
Presentation 2016-04-18 15:30
A study for the establishment of a design approach in looped-tube thermoacoustic system using Phase Adjuster
Sho Kawaminami (Doshisha Univ.), Shin-ichi Sakamoto (Univ. of Shiga Pref.), Kazusa Taga, Yoshiaki Watanabe (Doshisha Univ.) US2016-8
Abstract (in Japanese) (See Japanese page) 
(in English) A cooling system can be realized by using the thermoacoustic phenomena deriving with the unused energy such as a waste heat.
Few practical examples exist because of its low cooling efficiency. To improve the low efficiency, a phase adjuster (PA) has been introduced as a technique to enhance the energy conversion efficiency. However, the mechanism of the PA is still unclear. To discuss the mechanism of the PA, the physical model of PA is proposed in this paper. The sound field generated in the acoustic tube at various modes dependent on the setting position of the PA is theoretically estimated. By the changing of the PA position, the sound filed at each mode generated by the loudspeaker are observed, then the results are compared with the estimated ones. Finally, as an actual model, the looped-tube thermoacoustic system is applied as in the sound driver instead of the loudspeaker. Compare the observation results between sound field and the position of the PA. The capability of control for the selection of the resonance mode due to the setting position of the PA is demonstrated for the thermoacoustic system.
Keyword (in Japanese) (See Japanese page) 
(in English) Thermoacoustic phenomenon / Phase Adjuster / Physical model / Resonance mode / / / /  
Reference Info. IEICE Tech. Rep., vol. 116, no. 5, US2016-8, pp. 41-46, April 2016.
Paper # US2016-8 
Date of Issue 2016-04-11 (US) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
Copyright
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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)
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Conference Information
Committee US  
Conference Date 2016-04-18 - 2016-04-18 
Place (in Japanese) (See Japanese page) 
Place (in English) Nishi-Waseda Campus, Waseda University 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Nonlinear Acoustics, General, etc
(Co-sponsored by Nonlinear Acoustics Society of Japan ) 
Paper Information
Registration To US 
Conference Code 2016-04-US 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A study for the establishment of a design approach in looped-tube thermoacoustic system using Phase Adjuster 
Sub Title (in English)  
Keyword(1) Thermoacoustic phenomenon  
Keyword(2) Phase Adjuster  
Keyword(3) Physical model  
Keyword(4) Resonance mode  
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1st Author's Name Sho Kawaminami  
1st Author's Affiliation Doshisha University (Doshisha Univ.)
2nd Author's Name Shin-ichi Sakamoto  
2nd Author's Affiliation University of Shiga Prefecture (Univ. of Shiga Pref.)
3rd Author's Name Kazusa Taga  
3rd Author's Affiliation Doshisha University (Doshisha Univ.)
4th Author's Name Yoshiaki Watanabe  
4th Author's Affiliation Doshisha University (Doshisha Univ.)
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Speaker Author-1 
Date Time 2016-04-18 15:30:00 
Presentation Time 25 minutes 
Registration for US 
Paper # US2016-8 
Volume (vol) vol.116 
Number (no) no.5 
Page pp.41-46 
#Pages
Date of Issue 2016-04-11 (US) 


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