Centre-solenoid-free merging start-up of spherical tokamak plasmas in UTST

M. Inomoto, T. G. Watanabe, K. Gi, K. Yamasaki, S. Kamio, R. Imazawa, T. Yamada, X. Guo, T. Ushiki, H. Ishikawa, H. Nakamata, N. Kawakami, T. Sugawara, K. Matsuyama, K. Noma, A. Kuwahata, H. Tanabe

研究成果: Contribution to journalArticle査読

19 被引用数 (Scopus)

抄録

A centre-solenoid-free merging start-up scheme for spherical tokamak plasmas was developed in a University of Tokyo spherical tokamak (UTST) experiment by using outer poloidal field coils. Torus breakdown was initiated at null points and two spherical tokamak plasmas with a total current up to 80kA were generated inductively. Their merging process provided substantial ion and electron heating by magnetic reconnection. The obtained dependence of heating on plasma current suggests that high-temperature and high-current plasma suitable for neutral beam injection is attainable under the realistic conditions in the merging start-up method.

本文言語英語
論文番号033013
ジャーナルNuclear Fusion
55
3
DOI
出版ステータス出版済み - 3 1 2015

All Science Journal Classification (ASJC) codes

  • 核物理学および高エネルギー物理学
  • 凝縮系物理学

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