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Edgewise Bending Strain in Helical Coils With Geodesic Windings Based on Virial Theorem
http://hdl.handle.net/10655/00013017
http://hdl.handle.net/10655/000130177669f28c-e48b-40c8-87e1-0d1ba83a7228
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Trans.Appl.Superconduc.26_pp4901704 (111.7 kB)
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VoR_IEEE.Tran.App.Super_26_490174 (429.1 kB)
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| Item type | 学術雑誌論文 / Journal Article(1) | |||||||||||||||||||||
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| 公開日 | 2022-02-14 | |||||||||||||||||||||
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| タイトル | Edgewise Bending Strain in Helical Coils With Geodesic Windings Based on Virial Theorem | |||||||||||||||||||||
| 言語 | ||||||||||||||||||||||
| 言語 | eng | |||||||||||||||||||||
| キーワード | ||||||||||||||||||||||
| 主題Scheme | Other | |||||||||||||||||||||
| 主題 | Edgewise | |||||||||||||||||||||
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| 主題Scheme | Other | |||||||||||||||||||||
| 主題 | geodesic | |||||||||||||||||||||
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| 主題Scheme | Other | |||||||||||||||||||||
| 主題 | SMES | |||||||||||||||||||||
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| 主題Scheme | Other | |||||||||||||||||||||
| 主題 | strain | |||||||||||||||||||||
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| 主題Scheme | Other | |||||||||||||||||||||
| 主題 | torsion | |||||||||||||||||||||
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| 主題Scheme | Other | |||||||||||||||||||||
| 主題 | virial theorem | |||||||||||||||||||||
| 資源タイプ | ||||||||||||||||||||||
| 資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||||||||||||||||||
| 資源タイプ | journal article | |||||||||||||||||||||
| 著者 |
TSUTSUI, Hiroaki
× TSUTSUI, Hiroaki
× Tsuji-Iio, Shunji
× NOMURA, Shinichi
× YAGAI, Tsuyoshi
× NAKAMURA, Taketsune
× CHIKARAISHI, Hirotaka
× YANAGI, Nagato
× IMAGAWA, Shinsaku
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| 内容記述タイプ | Other | |||||||||||||||||||||
| 内容記述 | 0000-0003-1134-4389 | |||||||||||||||||||||
| 抄録 | ||||||||||||||||||||||
| 内容記述タイプ | Abstract | |||||||||||||||||||||
| 内容記述 | Distributions of edgewise bending strain in helical coils with the geodesic winding based on virial theorem are analyzed theoretically and numerically. A force-balanced coil (FBC) is a multipole helical coil combining toroidal field (TF) coils and a solenoid helically wound on a torus. The combination reduces the net electromagnetic force in the direction of the major radius by canceling out the centering force due to the TF coil current and the hoop force due to the solenoid current. The FBC concept was extended using the virial theorem, which shows the theoretical lower limit of stress in the coils and their supporting structure. High-field coils should accordingly have the same averaged principal stresses in all directions, which is named the virial-limit condition. Since FBC winding is modulated to reduce the tilting force, the winding is slightly similar to but different from the shortest geodesic trajectory and has no tensile load. To apply FBC to high-temperature superconducting tapes, the degradation of superconducting properties originating from edgewise bending strain is an important problem. Since the geodesic trajectory is a kind of a straight line on a curved surface and curves only to the normal direction of the surface, it is expected that the tape with geodesic trajectories has a small residual stress. In this paper, we analyze the effect of the winding modulations including the geodesic modulation for the optimization of residual stress in helical windings. | |||||||||||||||||||||
| 書誌情報 |
IEEE Transactions on Applied Superconductivity 巻 26, 号 4, p. 4901704, 発行日 2016-06 |
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| 出版者 | IEEE | |||||||||||||||||||||
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| 収録物識別子タイプ | ISSN | |||||||||||||||||||||
| 収録物識別子 | 10518223 | |||||||||||||||||||||
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| 収録物識別子タイプ | NCID | |||||||||||||||||||||
| 収録物識別子 | AA10791666 | |||||||||||||||||||||
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| 関連タイプ | isIdenticalTo | |||||||||||||||||||||
| 識別子タイプ | DOI | |||||||||||||||||||||
| 関連識別子 | 10.1109/TASC.2016.2535779 | |||||||||||||||||||||
| 権利 | ||||||||||||||||||||||
| 権利情報 | © 2016 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works. | |||||||||||||||||||||
| 情報源 | ||||||||||||||||||||||
| 関連名称 | H. Tsutsui et al., "Edgewise Bending Strain in Helical Coils With Geodesic Windings Based on Virial Theorem," in IEEE Transactions on Applied Superconductivity, vol. 26, no. 4, pp. 1-4, June 2016, Art no. 4901704, doi: 10.1109/TASC.2016.2535779. | |||||||||||||||||||||
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| 識別子タイプ | DOI | |||||||||||||||||||||
| 関連識別子 | https://doi.org/10.1109/TASC.2016.2535779 | |||||||||||||||||||||
| 関連名称 | Publisher version | |||||||||||||||||||||
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| 出版タイプ | VoR | |||||||||||||||||||||
| 出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||||||||||||||||||
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