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| Presentation | 2016-11-07 13:50 Effect of evaporation and condensation of water vapor on a thermoacoustic engine -- Numerical simulations by a fluid parcel model -- Kyuichi Yasui, Noriya Izu (AIST)  US2016-54 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | A fluid parcel model is proposed taking into account the Rott equations of a thermoacoustic engine. The effect of non-equilibrium evaporation and condensation of water vapor is taken into account for a wet stack in a thermoacoustic engine. According to the numerical simulations, pV work done by a fluid parcel in a wet stack is larger than that in a dry stack for the traveling-wave thermoacoustic engine. This is due to the larger volume change of a fluid parcel in a wet stack caused by evaporation and condensation of water vapor. On the other hand, for the standing-wave thermoacoustic engine, pV work done by a fluid parcel in a wet stack could be smaller than that in a dry stack at some radius of a stack. It is due to the smaller volume change of a fluid parcel in a wet stack in this case. For any case, the vapor pressure inside a fluid parcel is almost identical to the saturated vapor pressure at the wet stack. A fluid parcel drifts to the higher temperature side in a traveling-wave engine and to the lower temperature side in a standing-wave engine. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | A fluid parcel / wet stack / dry stack / pV work / thermal conduction / non-equilibrium evaporation and condensation / / | |
| Reference Info. | IEICE Tech. Rep., vol. 116, no. 288, US2016-54, pp. 29-34, Nov. 2016. | |
| Paper # | US2016-54 | |
| Date of Issue | 2016-10-31 (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 | US2016-54 |
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| Conference Information | |
| Committee | US |
| Conference Date | 2016-11-07 - 2016-11-07 |
| 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 | 2016-11-US |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Effect of evaporation and condensation of water vapor on a thermoacoustic engine |
| Sub Title (in English) | Numerical simulations by a fluid parcel model |
| Keyword(1) | A fluid parcel |
| Keyword(2) | wet stack |
| Keyword(3) | dry stack |
| Keyword(4) | pV work |
| Keyword(5) | thermal conduction |
| Keyword(6) | non-equilibrium evaporation and condensation |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Kyuichi Yasui |
| 1st Author's Affiliation | National Institute of Advanced Industrial Science and Technology (AIST) (AIST) |
| 2nd Author's Name | Noriya Izu |
| 2nd Author's Affiliation | National Institute of Advanced Industrial Science and Technology (AIST) (AIST) |
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| Speaker | Author-1 |
| Date Time | 2016-11-07 13:50:00 |
| Presentation Time | 25 minutes |
| Registration for | US |
| Paper # | US2016-54 |
| Volume (vol) | vol.116 |
| Number (no) | no.288 |
| Page | pp.29-34 |
| #Pages | 6 |
| Date of Issue | 2016-10-31 (US) |
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