Development of high-performance magnetic field source operated at liquid nitrogen temperature

2017 Fiscal Year Annual Research Report

• Project/Area Number: 15K05941
• Research Institution: Okayama University
• Principal Investigator: 金 錫範 岡山大学, 自然科学研究科, 教授 (00287963)
• Project Period (FY): 2015-04-01 – 2018-03-31
• Keywords: 高性能磁場源 / 高温超伝導バルク体 / 高温超伝導線材 / 液体窒素運転

Outline of Annual Research Achievements

本研究では、液体窒素温度で冷却され、一度励磁された後は電源が不要となる小型で高磁場性能（高磁場強度・高磁場均一度・高時間安定度）を有する磁場源を開発するための基礎研究として、高温超伝導線材とバルク体を用いた磁場源について実験と電磁場数値解析による検討を行って来た。研究成果としては、高価の高温超伝導線材の使用量を抑えながら高性能磁場が発生できる高温超伝導マグネットの設計に成功し、NMR信号が計測できる高温超伝導バルク体による磁場源の試作にも成功した。

Research Products

• [Journal Article] Fast Computation Method of Magnetic Field Homogeneity for NMR/MRI REBCO Pancake Coils (2017)
  • Author(s): Miyao Ryosuke、Igarashi Hajime、Kim SeokBeom、Noguchi So
  • Journal Title: IEEE Transactions on Applied Superconductivity Volume: 27 Pages: 1～4
  • DOI: 10.1109/TASC.2016.2637937
• [Journal Article] Improvement in Stability and Operating Characteristics of HTS Coil Using MIT Material (2017)
  • Author(s): Kim Hyung-Wook、Hur Jin、Kim Seog-Whan、Kim Seok-Beom、Ko Rock-Kil、Ha Dong-Woo、Kim Ho Min、Joo Jin-Hong、Jo Young-Sik
  • Journal Title: IEEE Transactions on Applied Superconductivity Volume: 27 Pages: 1～4
  • DOI: 10.1109/TASC.2017.2655262
• [Journal Article] Fundamental study on the magnetic field control method using multiple HTS coils for Magnetic Drug Delivery System (2017)
  • Author(s): Hirano R、Kim S B、Nakagawa T、Tomisaka Y、Ueda H
  • Journal Title: Journal of Physics: Conference Series Volume: 871 Pages: 012104～012104
  • DOI: 10.1088/1742-6596/871/1/012104
• [Journal Article] Study on the Rotation Properties and the Design Issue of Non-Contact Rotating System Using HTS Bulks and Permanent Magnets (2017)
  • Author(s): Okamura R、Kim S B、Ozaki Y、Ueda H
  • Journal Title: Journal of Physics: Conference Series Volume: 871 Pages: 012096～012096
  • DOI: 10.1088/1742-6596/871/1/012096
• [Journal Article] Numerical study to obtain the improved field homogeneity of HTS bulk magnet with enlarged inner diameter for compact NMR (2017)
  • Author(s): Fukada S、Kim S B、Nakagawa T、Nomura R、Ueda H
  • Journal Title: Journal of Physics: Conference Series Volume: 871 Pages: 012088～012088
  • DOI: 10.1088/1742-6596/871/1/012088
• [Journal Article] Study on the Persistent Current Switch in HTS Coils Wound with 2G Wire for Compact NMR Magnets (2017)
  • Author(s): Sugo K、Kim S B、Nomura R、Ueda H
  • Journal Title: Journal of Physics: Conference Series Volume: 871 Pages: 012087～012087
  • DOI: 10.1088/1742-6596/871/1/012087
• [Presentation] 銅メッキ付き多芯REBCO線材における遮蔽電流による不整磁場の低減効果 (2017)
  • Author(s): 武藤 優真, 石山 敦士, 小泉 智暉, 植田 浩史, 金 錫範, 野口 聡
  • Organizer: 2017年度春季低温工学・超電導学会
• [Presentation] An Extended Thin Approximation Method to Simulate Screening Current in REBCO Coils (2017)
  • Author(s): S. Noguchi, R. Miyao, S. Hahn, H. Ueda, S. Kim, and A. Ishiyama
  • Organizer: 21st International Conference on the Computation of Electromagnetic Fields, Compumag2017, Daejeon, Korea
  • Int'l Joint Research
• [Presentation] Development of HTS bulk NMR relaxometry with ring-shaped irons (2017)
  • Author(s): SeokBeom Kim, Susumu Fukada, Ryota Nomura, Hiroshi Ueda
  • Organizer: 25th International Conference on Magnet Technology, Amsterdam, Netherlands
  • Int'l Joint Research
• [Presentation] Reduction effect of irregular magnetic field due to screening-current in copper-plated mutifilamentary REBCO tape (2017)
  • Author(s): A. Ishiyama, Y. Ozone, H. Ueda, T. Koizumi, S.B. Kim, S. Noguchi
  • Organizer: 25th International Conference on Magnet Technology, Amsterdam, Netherlands
  • Int'l Joint Research
• [Presentation] Characteristics of current bypassing and transient stability in partial insulation HTS coil (2017)
  • Author(s): SeokBeom Kim, Kentoro Tami, Haruyoshi Okusa, Hiroshi Ueda
  • Organizer: 25th International Conference on Magnet Technology, Amsterdam, Netherlands
  • Int'l Joint Research
• [Presentation] 2G HTS magnet stability improvement via V2O3 material and perforated HTS wire (2017)
  • Author(s): Hyung-Wook Kim, Jin Hur, Seog-Whan Kim, Seok-Beom Kim, Rock-Kil Ko, Dong-Woo Ha, Ho Min Kim, Jin-Hong Joo, and Young-Sik Jo
  • Organizer: 25th International Conference on Magnet Technology, Amsterdam, Netherlands
  • Int'l Joint Research
• [Presentation] 銅メッキ付きマルチフィラメント化REBCO線材の電流分布解析 (2017)
  • Author(s): 盛川瑛亮 ，小泉智暉 ，金錫範 ，植田浩史
  • Organizer: 平成29年度（第68回）電気・情報関連学会中国支部連合大会
• [Presentation] 高温超電導バルク体による積層構造小型NMR装置用マグネットの試料測定用空間拡張に関する基礎研究 (2017)
  • Author(s): 乙倉孝輔 ，深田進 ，金錫範 ，植田浩史
  • Organizer: 平成29年度（第68回）電気・情報関連学会中国支部連合大会
• [Presentation] 小型NMR装置用のハルバッハ配列永久磁石の磁場均一度向上に関する研究 (2017)
  • Author(s): 美濃孝明 ，野村亮太 ，金錫範 ，植田浩史
  • Organizer: 平成29年度（第68回）電気・情報関連学会中国支部連合大会
• [Presentation] 連結高温超電導バルク体移動子を用いた三次元アクチュエータの動的特性に関する研究 (2017)
  • Author(s): 中嶋淳夫 ，平塚裕介 ，山崎尊雄 ，金錫範 ，植田浩史
  • Organizer: 平成29年度（第68回）電気・情報関連学会中国支部連合大会
• [Presentation] サイクロトロン応用のための高温超電導マグネットの発生磁場精度評価 (2017)
  • Author(s): 粟津佑太 ，植田浩史 ，金錫範
  • Organizer: 平成29年度（第68回）電気・情報関連学会中国支部連合大会
• [Presentation] 無絶縁高温超電導コイルを想定した高温超電導線材間の電気的接触抵抗の圧力依存性に関する研究 (2017)
  • Author(s): 立田貴裕 ，大草晴義 ，民健太郎 ，金錫範 ，植田浩史
  • Organizer: 平成29年度（第68回）電気・情報関連学会中国支部連合大会
• [Presentation] 単板磁気試験器を用いた電磁鋼板の磁気特性測定方法に関する研究 (2017)
  • Author(s): 藤本賢哉 ，中川拓弥 ，大原慎也 ，金錫範 ，植田浩史
  • Organizer: 平成29年度（第68回）電気・情報関連学会中国支部連合大会
• [Presentation] 鉄リングによる超電導マグネットの磁場補正に関する研究 (2017)
  • Author(s): 有岡直紀 ，野村亮太 ，冨坂良和 ，植田浩史 ，金錫範
  • Organizer: 平成29年度（第68回）電気・情報関連学会中国支部連合大会
• [Presentation] 小型NMR relaxometry装置用の高温超電導マグネットの形状に関する基礎研究 (2017)
  • Author(s): 石井翔己 ，菅生圭登 ，喜来雅人 ，金錫範 ，植田浩史
  • Organizer: 平成29年度（第68回）電気・情報関連学会中国支部連合大会
• [Presentation] 医療用タンパク質の高勾配磁気分離用磁性フィルターの周囲の磁性粒子の挙動解析 (2017)
  • Author(s): 森優輝 ，窪田幹久 ，金錫範 ，植田浩史
  • Organizer: 平成29年度（第68回）電気・情報関連学会中国支部連合大会
• [Presentation] Development of magnets using 2G wire, HTS bulks and permanent magnets for compact NMR relaxometry (2017)
  • Author(s): SeokBeom Kim
  • Organizer: Asian Conference on Applied Superconductivity and Cryogenics, Jeju, Korea
  • Int'l Joint Research
• [Presentation] マルチフィラメント高温超電導線材で巻線された高温超電導コイルの遮蔽電流解析 (2017)
  • Author(s): 植田浩史，小泉智暉， 盛川瑛亮 ，金錫範
  • Organizer: 第95回2017年度秋季低温工学・超電導学会
• [Presentation] 三次元超電導アクチュエータの床・壁走行間の高温超電導バルク体移動子の動的特性に関する研究 (2017)
  • Author(s): 山崎尊雄， 平塚裕介， 中嶋淳夫，植田浩史， 金錫範
  • Organizer: 第95回2017年度秋季低温工学・超電導学会
• [Presentation] Numerical simulation on current distribution in multifilamentary HTS tape (2017)
  • Author(s): H. Ueda, T. Koizumi, S.B. Kim, S. Noguchi, A. Ishiyama
  • Organizer: CHATS on Applied Superconductivity 2017 Sendai, Japan
  • Int'l Joint Research
• [Presentation] Measurement of magnetic properties of metal substrate for REBCO coated conductor at low temperature using a single sheet tester (2017)
  • Author(s): Shinya Ohara, Takuya Nakagawa, Kenya Fujimoto, SeokBeom Kim, Hiroshi Ueda
  • Organizer: 30th International Symposium on Superconductivity, Tokyo, Japan
  • Int'l Joint Research
• [Presentation] Development of self-protected HTS coil for mechanical problems in non-insulated HTS coils (2017)
  • Author(s): Haruyoshi Okusa, Kentaro Tami, Takahiro Tatsuta, Hiroshi Ueda, SeokBeom Kim
  • Organizer: 30th International Symposium on Superconductivity, Tokyo, Japan
  • Int'l Joint Research
• [Presentation] Numerical Study to Reduce the Effect of the Screening Field for Compact HTS NMR Magnets (2017)
  • Author(s): Masato Kirai, SeokBeom Kim, Hiroshi Ueda, Keito Sugo, Shoki Ishii
  • Organizer: 30th International Symposium on Superconductivity, Tokyo, Japan
  • Int'l Joint Research
• [Presentation] Numerical Simulation on Coupling Current for Multifilamentary HTS Wire (2017)
  • Author(s): Tomoaki Koizumi, Eisuke Morikawa, SeokBeom Kim, Hiroshi Ueda
  • Organizer: 30th International Symposium on Superconductivity, Tokyo, Japan
  • Int'l Joint Research
• [Presentation] Basic Design of Electromagnets to Prevent the Overshoots in 3-D Superconducting Actuator (2017)
  • Author(s): Yusuke Hiratsuka, Takao Yamasaki, Atsuo Nakashima, SeokBeom Kim, Hiroshi Ueda
  • Organizer: 30th International Symposium on Superconductivity, Tokyo, Japan
  • Int'l Joint Research
• [Presentation] Study on the basic design of multiple HTS magnets for single-sided compact MRI device (2017)
  • Author(s): Yoshikazu Tomisaka, Ryota Nomura, Kento Kotani, Naoki Arioka, Hiroshi Ueda, SeokBeom Kim
  • Organizer: 30th International Symposium on Superconductivity, Tokyo, Japan
  • Int'l Joint Research
• [Presentation] Numerical Simulation on Behavior of Magnetic beads in Magnetic Filter for Medical Protein Screening System using High Gradient Magnetic Separation (2017)
  • Author(s): Mikihisa Kubota, Yuki Mori, SeokBom Kim, Hiroshi Ueda
  • Organizer: 30th International Symposium on Superconductivity, Tokyo, Japan
  • Int'l Joint Research