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Paper Abstract and Keywords
Presentation 2009-01-30 13:15
A study for the miniaturization of thermoacoustic cooling system -- Discussion about the heat pump effect with compression driver --
Kohei Hotta (Doshisha Univ.), Shin-ichi Sakamoto (Univ. of Shiga prefecture), Daichi Tsukamoto, Yoshiaki Watanabe (Doshisha Univ.) US2008-86 EA2008-130
Abstract (in Japanese) (See Japanese page) 
(in English) Experimental investigation was carried out to miniature thermoacoustic cooling system. The loop tube cooling system is one of the thermoacoustic cooling system. In the loop tube, relationship between frequency and total length is inverse proportional. Therefore the frequency becomes high when the system is miniaturized. From this reason, the optimal condition to cool efficiently changes at the heat pump. In this research, we focused on two parameters. One is the ωτ and the other is installation position of stack. These parameters relate to cooling efficiency. Then we measured cooling property relevant to these parameters. From experimental results, when the system was miniaturized up to approximately 100 mm, minimal temperature decrease was confirmed by adjusting ωτ and installation position. And the optimal installation position of stack was different by ωτ. From this , it is expected that ωτ and sound field can be applied as a design manual of heat pump.
Keyword (in Japanese) (See Japanese page) 
(in English) Thermoacoustic phenomenon / Miniaturization / Heat pump effect / Installation position of stack / ωτ / / /  
Reference Info. IEICE Tech. Rep., vol. 108, no. 410, US2008-86, pp. 81-86, Jan. 2009.
Paper # US2008-86 
Date of Issue 2009-01-22 (US, EA) 
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 US2008-86 EA2008-130

Conference Information
Committee EA US  
Conference Date 2009-01-29 - 2009-01-30 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To US 
Conference Code 2009-01-EA-US 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A study for the miniaturization of thermoacoustic cooling system 
Sub Title (in English) Discussion about the heat pump effect with compression driver 
Keyword(1) Thermoacoustic phenomenon  
Keyword(2) Miniaturization  
Keyword(3) Heat pump effect  
Keyword(4) Installation position of stack  
Keyword(5) ωτ  
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1st Author's Name Kohei Hotta  
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 prefecture)
3rd Author's Name Daichi Tsukamoto  
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 2009-01-30 13:15:00 
Presentation Time 25 minutes 
Registration for US 
Paper # US2008-86, EA2008-130 
Volume (vol) vol.108 
Number (no) no.410(US), no.411(EA) 
Page pp.81-86(US), pp.85-90(EA) 
#Pages 6 
Date of Issue 2009-01-22 (US, EA) 

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