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| Presentation | 2017-11-16 13:50 Thermal/Electric Circuit Model and Evaluation of Thermal Electric Power Generation using Soil Temperature Difference Natsuki Ikeda, Ryo Shigeta, Junichiro Shiomi, Yoshihiro Kawahara (U-Tokyo)  ASN2017-68 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | In battery-driven sensor systems, labor cost for battery replacements is a serious matter for reducing operational cost, therefore battery-less sensors are preferred. In outdoor situation, the temperature change in the underground is relatively small compared to the ground surface, because the temperature in the underground is not easily influenced by solar radiation and atmosphere. This leads to big temperature difference between the ground surface and the underground. We aim at developing battery-less soil moisture sensor which converts temperature difference to electric power using thermoelectric modules. In this paper, in order to evaluate the amount of electric power that can actually be generated by temperature difference between the ground surface and the underground in the fields, we modeled the sensor system and surroundings using a thermal/electric ciucuit model, and applied the measured ground temperature data to this model. As a result, it was proved that the sensor system can be sufficiently driven by temperature difference in many fields. |
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| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Energy Harvesting / Thermoelectric / Thermal Circuit / / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 117, no. 310, ASN2017-68, pp. 35-40, Nov. 2017. | |
| Paper # | ASN2017-68 | |
| Date of Issue | 2017-11-09 (ASN) | |
| 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 | ASN2017-68 |
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| Conference Information | |
| Committee | ASN |
| Conference Date | 2017-11-16 - 2017-11-17 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | ASN |
| Conference Code | 2017-11-ASN |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Thermal/Electric Circuit Model and Evaluation of Thermal Electric Power Generation using Soil Temperature Difference |
| Sub Title (in English) | |
| Keyword(1) | Energy Harvesting |
| Keyword(2) | Thermoelectric |
| Keyword(3) | Thermal Circuit |
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| 1st Author's Name | Natsuki Ikeda |
| 1st Author's Affiliation | The University of Tokyo (U-Tokyo) |
| 2nd Author's Name | Ryo Shigeta |
| 2nd Author's Affiliation | The University of Tokyo (U-Tokyo) |
| 3rd Author's Name | Junichiro Shiomi |
| 3rd Author's Affiliation | The University of Tokyo (U-Tokyo) |
| 4th Author's Name | Yoshihiro Kawahara |
| 4th Author's Affiliation | The University of Tokyo (U-Tokyo) |
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| Speaker | Author-1 |
| Date Time | 2017-11-16 13:50:00 |
| Presentation Time | 25 minutes |
| Registration for | ASN |
| Paper # | ASN2017-68 |
| Volume (vol) | vol.117 |
| Number (no) | no.310 |
| Page | pp.35-40 |
| #Pages | 6 |
| Date of Issue | 2017-11-09 (ASN) |
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