REBCO コイルにおける熱暴走のメカニズムと対策

  • 柳澤 吉紀
    Center for Life Science Technologies, RIKEN Graduate School of Engineering, Chiba University
  • 前田 秀明
    Center for Life Science Technologies, RIKEN

書誌事項

タイトル別名
  • Basic Mechanism of Thermal Runaway for REBCO Coils
  • REBCO コイル ニ オケル ネツ ボウソウ ノ メカニズム ト タイサク

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抄録

REBCO conductors were commercialized only recently in 2009 and therefore the magnet technology for REBCO conductors remains undeveloped. The major technological problems for REBCO coils encountered thus far are (a) degradation in the superconducting performance for mechanical reasons, (b) difficulty in protecting the magnet in the case of a super-normal transition of the REBCO coil and (c) the enormous effect of a screening-current-induced magnetic field. In this paper, the basic mechanism of premature thermal runaway in the REBCO superconductor is investigated through experiments and numerical simulations on small model coils. Effective remedies for suppressing the premature thermal runaway are discussed.

収録刊行物

  • 低温工学

    低温工学 48 (4), 157-164, 2013

    公益社団法人 低温工学・超電導学会 (旧 社団法人 低温工学協会)

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