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| Presentation | 2016-04-18 17:00 [Invited Talk] Emergence of thermoacoustic self-excited oscillations and their physical mechanisms Nobumasa Sugimoto (Kansai Univ.)  US2016-11 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | This lecture introduces thermoacoustic oscillations of a gas in contact with a solid wall subject to temperature gradient. Emergence of the oscillations is brought about by instability of the gas under a combined action of resonance of the system. Typical examples are given of standing waves in a closed tube, and of progressive waves in a looped tube. Physical mechanisms of the instability caused by diffusion due to viscosity and thermal conductivity of the gas oscillating in a stack or a regenerator are expounded from Lagrangian viewpoint by using a thermodynamic cycle of a gas particle and also from Eulerian viewpoint of instability of a heat flow in a quiescent state. Mechanisms of the ensuing self-excited oscillations are also discussed briefly. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Thermoacoustics / Self-excited oscillations / Temperature gradient / Diffusion / Thermal cycle / Heat flow / / | |
| Reference Info. | IEICE Tech. Rep., vol. 116, no. 5, US2016-11, pp. 59-64, April 2016. | |
| Paper # | US2016-11 | |
| 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 | US2016-11 |
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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) | Emergence of thermoacoustic self-excited oscillations and their physical mechanisms |
| Sub Title (in English) | |
| Keyword(1) | Thermoacoustics |
| Keyword(2) | Self-excited oscillations |
| Keyword(3) | Temperature gradient |
| Keyword(4) | Diffusion |
| Keyword(5) | Thermal cycle |
| Keyword(6) | Heat flow |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Nobumasa Sugimoto |
| 1st Author's Affiliation | Kansai University (Kansai Univ.) |
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| Speaker | Author-1 |
| Date Time | 2016-04-18 17:00:00 |
| Presentation Time | 50 minutes |
| Registration for | US |
| Paper # | US2016-11 |
| Volume (vol) | vol.116 |
| Number (no) | no.5 |
| Page | pp.59-64 |
| #Pages | 6 |
| Date of Issue | 2016-04-11 (US) |
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