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Paper Abstract and Keywords
Presentation 2012-11-29 15:00
Effects of total length and inner diameter in the straight-tube-type thermoacoustic engine on the oscillation condition
Kohei Yanagimoto (Doshisha Univ.), Shin-ichi Sakamoto (Univ. of Shiga Pref.), Yosuke Nakano, Kenji Shibata, Noriki Takahara, Yoshiaki Watanabe (Doshisha Univ.) US2012-75
Abstract (in Japanese) (See Japanese page) 
(in English) The thermoacoustic systems are expected as new system which considered global environment. However, they have disadvantage that the start temperature of a self oscillation (onset temperature ratio:OTR) is high. If OTR can be made small, these systems are expected to be used in wide range of temperature. In this report, we examined the effects of changing the full length and the inner diameter of a cylindrical tube on OTR. The straight-tube-type thermoacoustic engine with a stack which has 0.55 mm in pore radius and 50 mm in length was consisted. And, experiments were conducted by using the cylindrical tubes of 24 mm, 42.5 mm, and 95.6 mm in the inner diameter and changing five full lengths from 1200 mm to 3750 mm. In all inner diameters, the same tendency in distribution of each OTR was confirmed at the results of measurements. However, the values describing heat exchange which showed the minimum OTR in each inner diameter differed. The temperature ratio met oscillation condition was affected by the amount of loss in the whole system.
Keyword (in Japanese) (See Japanese page) 
(in English) Thermoacoustic phenomena / Total length / Inner diameter / Oscillation condition / Onset temperature ratio / / /  
Reference Info. IEICE Tech. Rep., vol. 112, no. 326, US2012-75, pp. 31-34, Nov. 2012.
Paper # US2012-75 
Date of Issue 2012-11-22 (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)
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Conference Information
Committee US  
Conference Date 2012-11-29 - 2012-11-29 
Place (in Japanese) (See Japanese page) 
Place (in English) Shizuoka Univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Nonlinear Acoustics, General 
Paper Information
Registration To US 
Conference Code 2012-11-US 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Effects of total length and inner diameter in the straight-tube-type thermoacoustic engine on the oscillation condition 
Sub Title (in English)  
Keyword(1) Thermoacoustic phenomena  
Keyword(2) Total length  
Keyword(3) Inner diameter  
Keyword(4) Oscillation condition  
Keyword(5) Onset temperature ratio  
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Keyword(7)  
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1st Author's Name Kohei Yanagimoto  
1st Author's Affiliation Doshisha University (Doshisha Univ.)
2nd Author's Name Shin-ichi Sakamoto  
2nd Author's Affiliation The University of Shiga Prefecture (Univ. of Shiga Pref.)
3rd Author's Name Yosuke Nakano  
3rd Author's Affiliation Doshisha University (Doshisha Univ.)
4th Author's Name Kenji Shibata  
4th Author's Affiliation Doshisha University (Doshisha Univ.)
5th Author's Name Noriki Takahara  
5th Author's Affiliation Doshisha University (Doshisha Univ.)
6th Author's Name Yoshiaki Watanabe  
6th Author's Affiliation Doshisha University (Doshisha Univ.)
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Speaker Author-1 
Date Time 2012-11-29 15:00:00 
Presentation Time 25 minutes 
Registration for US 
Paper # US2012-75 
Volume (vol) vol.112 
Number (no) no.326 
Page pp.31-34 
#Pages 4 
Date of Issue 2012-11-22 (US) 

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