研究者詳細 - 川越　明史

論文 - 川越　明史

分割表示 73 件中 21 - 40 件目／全件表示 >>

Naohiro Nagamoto, Akifumi Kawagoe, Toshiyuki Mito*, Yuta Onodera*, Kazuya Takahata*, Nagato Yanagi*, Shinji Hamaguchi*, and Naoki Hirano* . Thermal Transport Properties of Multiple Oscillating Heat Pipes under Simultaneous Operation . Journal of Physics: Conference Series1559 ( 1 ) 012144 2020年6月招待査読

Akifumi Kawagoe, Kazuma Kudou, Ryota Kanemaru, Masataka Iwakuma Masayuki Konno, Akira Tomioka, Teruo Izumi . Winding Configurations and AC Loss of Superconducting Synchronous REBCO Motors . Journal of Physics: Conference Series1559 ( 1 ) 012144 2020年6月査読国際誌

Koichiro Ozaki, Yuma Doi, Koichi Yoshida, Shun Miura, Teruyoshi Sasayama, Takashi Yoshida, Kaoru Yamamoto, Masataka Iwakuma, Akifumi Kawagoe, Masayuki Konno, Teruo Izumi . Conceptual Design of Superconducting Induction Motors Using REBa2Cu3Oy Superconducting Tapes for Electric Aircraft . IEEE Transactions on Applied Superconductivity30 ( 4 ) 8984315 2020年6月査読国際誌

Toshiyuki Mito*, Yuta Onodera* , Naoki Hirano*, Kazuya Takahata*, Nagato Yanagi* Akifumi Iwamoto*, Tomosumi Baba*, Noriko Chikumoto*, Shinji Hamaguchi*, Suguru Takada* Akifumi Kawagoe* and Ryozo Kawanami* . Development of FAIR conductor and HTS coil for fusion experimental device . Journal of Physics Communications4 ( 3 ) 035009 - 035009 2020年3月査読国際誌

Akifumi Kawagoe, Keita Hosoda, Junya Tsuruda . The Method to Diagnose Soundness of the High Temperature Superconducting Coil by Pick-Up Coil Pairs . IEEE Transactions on Applied Superconductivity29 ( 5 ) 5501504 2019年8月査読国際誌

Akifumi Kawagoe, Kyosuke Inoue, Yuki Higashi, Masataka Iwakuma, Msayuki Konno, Akira Tomioka, Yoshi Ji Hase, and Teruo Izumi . Numerical Analyses on the Influences of Armature Winding Shape and Yoke Arrangements on Total Losses in Fully Superconducting Synchronous Motors Using REBCO Tapes . IEEE Transactions on Applied Superconductivity28 ( 4 ) 5208104 2018年6月査読国際誌

Toshiyuki Mito, Akifumi Kawagoe, Nagato Yanagi, Shinji Hamaguchi, Suguru Takada, Naoki Hirano, Yoshiro Terazaki . Highly Efficient Liquid Hydrogen Storage System by Magnetic Levitation Using HTS Coils . IEEE Transactions on Applied Superconductivity27 ( 4 ) 3600705 2017年6月査読

記述言語：英語掲載種別：研究論文（学術雑誌）出版者・発行元： IEEE

Highly efficient liquid hydrogen storage system is studied with magnetic levitation using high-temperature superconducting (HTS) coils. The system also has high safety in case of emergency, such as an earthquake, with a seismic isolation to absorb vibrations provided by HTS levitation coils setup on the ground side. In such an emergency case, it is considered that a large amount of ac losses are generated in HTS coils, and the winding temperature may rise to lead to a coil quench. In this study, the self-oscillation-type heat pipe (OHP), whose thermal transport property is much greater than that of solid thermal conduction, is used to cool the coil windings. As a result, an HTS coil equipped with an OHP cooling system can be realized, supporting both low heat loads in the usual operation and high heat loads in an emergency.

DOI： 10.1109/TASC.2017.2653228

Scopus

Keisuke Sakemoto, Toshiki Kubo, Akifumi Kawagoe . The Method to Diagnose Local Abnormalities in Windings of High Temperature Superconducting Transformer During Load Changing . Physics Procedia81 199 - 202 2016年6月査読

Akifumi Kawagoe, Hideki Higuchi, Naoki Matsufuji . A Measurement Method of AC Losses in Superconducting Coils Using Poynting's Vector Method . IEEE Transactions on Applied Superconductivity24 ( 3 ) 9000604 2014年6月査読

Hiroki Hiwatashi, Ryoma Mizoue, Akifumi Kawagoe, Tohru Eguchi . Detection of Local Abnormalities in Windings of High-Temperature Superconducting Transformers by Using Pick-Up Coils . IEEE Transactions on Applied Superconductivity24 ( 3 ) 9001104 2014年6月査読

Akifumi Kawagoe, Hiroaki Moribe, Kosuke Kakiyama, Fumio Sumiyoshi . Diagnosis of Winding Conditions in High Temperature Superconducting Coils by Applying Poynting’s Vector Method . IEEE Transactions on Applied Superconductivity23 ( 3, Art. Num. 9000804 ) 2013年6月査読

Hiromu Sakuda,Tetsuya Tokuda, Mikinari Mukai, Akifumi Kawagoe, Fumio Sumiyoshi, Masataka Iwakuma, Teruo Izumi and Yuh Shiohara . Improved poynting’s Vector Method: Estimations of Electromagnetic Properties of HTS Tapes Simultaneously Exposed to AC Transport Currents and External Magnetic Fields . Proceedings of the Twenty-Fourth International Cryogenic Engineering Conference-International Cryogenic Materials Conference 2012 849 - 852 2013年2月査読

Mikinari Mukai, Masaharu Furukawa, Hiromu Sakuda, Akifumi Kawagoe, Fumio Sumiyoshi . AC Loss Measurements of HTS Long Tapas Formed into a Solenoidal Coil Shape Simultaneously Exposed to AC transport Currents and AC External Magnetic Fields by Improved Poynting's Vector Method . Proceedings of the Twenty-Fourth International Cryogenic Engineering Conference-International Cryogenic Materials Conference 2012 853 - 856 2013年2月査読

Fumio Sumiyoshi, Akifumi Kawagoe, Yohei Haeyama, Hiromu Sakuda, Mikinari Mukai, Masataka Iwakuma, Teruo Izumi, Yuh Shiohara . Improved Poynting's Vector Method: AC Loss Measurement of HTS Tapes Formed into a Short Straight or a Solenoidal Coil . Physics Procedia36 1534 - 1539 2012年9月査読

川越明史、小坂亮大、濱田佳志、岡元洋 . 高温超伝導コイルで発生する常伝導領域の非接触型検出法-超伝導変圧器運転時に巻線異常を監視するシステムへの適用- . 低温工学47 ( 5 ) 268 - 275 2012年6月査読

川越明史、藤岡直人、木元武尊、住吉文夫 . 高温超伝導コイルで発生する常伝導領域の非接触型検出法-低温容器外周のピックアップコイル群を使う新しい測定法の提案- . 低温工学46 ( 8 ) 481 - 488 2011年8月査読

A. Kawagoe, K. Matsushima, Y. Yoshidome, S. Kawabata, F. Sumiyoshi, N. Yanagi, T. Mito,M. Kiuchi, E S. Otabe, T. Matsushita, K. Tanaka,T. Wakuda . Development of an MgB₂ Coil Wound with a Parallel Conductor Composed of Two Tapes with Insulation . IEEE Transactions on Applied Superconductivity21 ( 3 ) 1612 - 1615 2011年6月査読

K. Habu, S. Kaminohara,A. Kawagoe, F. Sumiyoshi . The contactless detection of local normal transitions in superconducting coils by using Poynting vector method . Physica C470 1860 - 1864 2010年9月査読

F. Sumiyoshi, A. Kawagoe, T. Furubeppu, Y. Hoshihira . Improvement of coil performance by optimal use of multifilamentary superconducting tapes . Journal of Physics, Conference Series234 ( 22038 ) 1 - 13 2010年7月査読

A. Kawagoe, Y. Wakabayashi,K. Matsushima, Y. Yoshidome,S. Kawabata, F. Sumiyoshi,N. Yanagi, T. Mito, M. Kiuchi,E. S. Otabe, T. Matsushita,M. Takahashi, T. Wakuda . Improvement of Electromagnetic Properties of MgB₂ Filaments Due to Deformation to Tape Shape . IEEE Transactions on Applied Superconductivity20 ( 3 ) 1601 - 1604 2010年6月査読

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論文 - 川越　明史