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| Presentation | 2014-02-21 15:05 The Specific Heat Ratio of Hydrogen and Helium Measured using Ultrasonic Wave Tomohiro Hiramatsu, Sekiyo Katsu (Kyushu Univ.), Hideaki Fujita (Orii & Mec), Osamu Furukimi, Yoshimine Kato (Kyushu Univ.)  US2013-108 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Specific heat ratios of gases were measured successfully by using ultrasonic. The specific heat ratio was obtained by measuring the ultrasonic velocity variation due to gas temperature change or different gas mixture. Since sound velocity of each gas can be calculated as a peculiar value from its specific heat ratio, gas temperature, and its molecular weight, the sound velocity changes with the temperature and molecular weight variation. Therefore, one can obtain the specific heat ratio by measuring the difference in those values. Furthermore, this ultrasonic equipment is compact and low cost with simple structure; specific heat ratios for variety of gases can be expected to be measured from the speed of sound. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Ultrasonic / Sound velocity / Specific heat ratio / Gas / Hydrogen / Helium / Nitrogen / | |
| Reference Info. | IEICE Tech. Rep., vol. 113, no. 439, US2013-108, pp. 75-79, Feb. 2014. | |
| Paper # | US2013-108 | |
| Date of Issue | 2014-02-14 (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 | US2013-108 |
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| Conference Information | |
| Committee | US |
| Conference Date | 2014-02-21 - 2014-02-21 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Chofu Aerospace Center, Aerodrome Branch, JAXA |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | US |
| Conference Code | 2014-02-US |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | The Specific Heat Ratio of Hydrogen and Helium Measured using Ultrasonic Wave |
| Sub Title (in English) | |
| Keyword(1) | Ultrasonic |
| Keyword(2) | Sound velocity |
| Keyword(3) | Specific heat ratio |
| Keyword(4) | Gas |
| Keyword(5) | Hydrogen |
| Keyword(6) | Helium |
| Keyword(7) | Nitrogen |
| Keyword(8) | |
| 1st Author's Name | Tomohiro Hiramatsu |
| 1st Author's Affiliation | Kyushu University (Kyushu Univ.) |
| 2nd Author's Name | Sekiyo Katsu |
| 2nd Author's Affiliation | Kyushu University (Kyushu Univ.) |
| 3rd Author's Name | Hideaki Fujita |
| 3rd Author's Affiliation | Orii & Mec Corporation (Orii & Mec) |
| 4th Author's Name | Osamu Furukimi |
| 4th Author's Affiliation | Kyushu University (Kyushu Univ.) |
| 5th Author's Name | Yoshimine Kato |
| 5th Author's Affiliation | Kyushu University (Kyushu Univ.) |
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| Speaker | Author-1 |
| Date Time | 2014-02-21 15:05:00 |
| Presentation Time | 15 minutes |
| Registration for | US |
| Paper # | US2013-108 |
| Volume (vol) | vol.113 |
| Number (no) | no.439 |
| Page | pp.75-79 |
| #Pages | 5 |
| Date of Issue | 2014-02-14 (US) |
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