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Paper Abstract and Keywords
Presentation 2016-04-18 16:20
A basic study about coaxial thermoacoustic system -- Performance comparison with looped-tube thermoacoustic system --
Kakuda Ayumu (Doshisha Univ.), Sakamoto Shin-ichi (Univ. of Shiga Pref.), Akamatsu Kazuma, Watanabe Yoshiaki (Doshisha Univ.) US2016-10
Abstract (in Japanese) (See Japanese page) 
(in English) When energy conversion in stack of thermoacoustic system are carried out by traveling wave phase, it is high efficiency than a standing wave phase. Yazaki et al. developed looped-tube thermoacoustic system (looped-tube) which realized energy conversion by traveling wave phase. However, problem of this system include downsizing. As a technique to resolve this problem, the research of coaxial thermoacoustic (coaxial-type) which is compact and able to do energy conversion by traveling wave phase are performed. In the previous study, we succeed in energy conversion by traveling wave phase in coaxial-type, but only the report about standing wave ratio of excitation sound wave. In this paper, I suggest the method of acoustic field analysis in coaxial-type and perform the examination about energy conversion efficiency. In addition, I compare the energy conversion efficiency of coaxial-type with looped-tube, as a result, that of coaxial-type largely exceeded than that of looped-tube.
Keyword (in Japanese) (See Japanese page) 
(in English) Thermoacoustic phenomenon / Coaxial / Acoustic field analysis / Energy conversion efficiency / / / /  
Reference Info. IEICE Tech. Rep., vol. 116, no. 5, US2016-10, pp. 53-58, April 2016.
Paper # US2016-10 
Date of Issue 2016-04-11 (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 US2016-10

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 basic study about coaxial thermoacoustic system 
Sub Title (in English) Performance comparison with looped-tube thermoacoustic system 
Keyword(1) Thermoacoustic phenomenon  
Keyword(2) Coaxial  
Keyword(3) Acoustic field analysis  
Keyword(4) Energy conversion efficiency  
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1st Author's Name Kakuda Ayumu  
1st Author's Affiliation Doshisha University (Doshisha Univ.)
2nd Author's Name Sakamoto Shin-ichi  
2nd Author's Affiliation University of Shiga Prefecture (Univ. of Shiga Pref.)
3rd Author's Name Akamatsu Kazuma  
3rd Author's Affiliation Doshisha University (Doshisha Univ.)
4th Author's Name Watanabe Yoshiaki  
4th Author's Affiliation Doshisha University (Doshisha Univ.)
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Speaker Author-1 
Date Time 2016-04-18 16:20:00 
Presentation Time 25 minutes 
Registration for US 
Paper # US2016-10 
Volume (vol) vol.116 
Number (no) no.5 
Page pp.53-58 
#Pages 6 
Date of Issue 2016-04-11 (US) 

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