2011 Fiscal Year Final Research Report
Development of High-Performance Electromagnetic Analysis for Design of Engineering Application of High-Temperature Superconductor
| Project/Area Number |
21560287
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| Research Category |
Grant-in-Aid for Scientific Research (C)
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Research Field |
Power engineering/Power conversion/Electric machinery
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| Research Institution | Yamagata University |
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Principal Investigator |
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| Project Period (FY) |
2009 – 2011
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| Keywords | 電気機器 / 超伝導機器 / 高温超伝導体 / 遮蔽電流密度 / 数値シミュレーション |
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| Research Abstract |
Since evaluation of the shielding current density is indispensable to engineering applications of high-temperature superconductors (HTSs), various numerical methods have been so far developed for analyzing the shielding current density. However, all of the methods have been plagued by the following two fatal difficulties : (1) slow speed due to implicit schemes and (2) disability to treat HTS samples containing cracks or holes. In the present study, two novel numerical techniques, i. e. constitutive-relation-modification method and virtual-voltage method, are proposed for resolving the above two difficulties.
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[Journal Article] Detection of Critical Current Distribution of YBCO-Coated Conductors Using Permanent Magnet Method2011
Author(s)
S. Ohshima, K. Umezu, K. Hattori, H. Yamada, A. Saito, T. Takayama, A. Kamitani, H. Takano, T. Suzuki, M. Yokoo, S. Ikuno
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Journal Title
IEEE Trans. Appl. Supercond
Volume: Vol.21, No.3
Pages: 3385-3388
DOI
Peer Reviewed
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