Numerical Evaluation of Electromagnetic Behavior of Multi-Stacked No-Insulation REBCO Coil System for Whole-Body MRIs and Medical Cyclotrons

Ui Nemoto, Kyoka Tsuyoshi, Mayu Kitamura, Atsushi Ishiyama, So Noguchi

研究成果: Article査読

抄録

We have been developing a no-insulation (NI) REBCO pancake coil technology for applications in medical cyclotrons and high-field whole-body MRI. The thermal and electromagnetic behaviors of multi-stacked NI-REBCO double pancake coils are numerically analyzed in this study when a local defect occurs in one coil using coil diameter and operating temperature parameters. Based on changes in voltage at both ends of the coil and the magnetic field at the center, we present a numerical study of the possibility of continuous operation after the occurrence of a local defect. In the numerical analysis, a new simplified model based on the PEEC model (Partial Element Equivalent Circuit model) is suggested and used for current distribution analysis, and the results are compared.

本文言語English
ジャーナルIEEE Transactions on Applied Superconductivity
DOI
出版ステータスAccepted/In press - 2022

ASJC Scopus subject areas

  • 電子材料、光学材料、および磁性材料
  • 凝縮系物理学
  • 電子工学および電気工学

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