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Overview of spherical tokamak research in Japan

机译:日本球形托卡马克研究概述

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摘要

Nationally coordinated research on spherical tokamak is being conducted in Japan. Recent achievements include: (i) plasma current start-up and ramp-up without the use of the central solenoid by RF waves (in electron cyclotron and lower hybrid frequency ranges), (ii) plasma current start-up by AC Ohmic operation and by coaxial helicity injection, (iii) development of an advanced fuelling technique by compact toroid injection, (iv) ultra-long-pulse operation and particle control using a high temperature metal wall, (v) access to the ultra-high-β regime by high-power reconnection heating, and (vi) improvement of spherical tokamak plasma stability by externally applied helical field.
机译:日本正在对球形托卡马克进行全国协调的研究。最近取得的成就包括:(i)在不使用中央电磁阀的情况下通过射频波启动和加速等离子体电流(在电子回旋加速器和较低的混合频率范围内);(ii)通过交流欧姆运行启动等离子体电流;以及通过同轴螺旋注射,(iii)通过紧凑环形注射开发先进的加油技术,(iv)使用高温金属壁进行超长脉冲操作和颗粒控制,(v)进入超高β状态通过大功率重新连接加热,以及(vi)通过外部施加的螺旋场改善球形托卡马克等离子体的稳定性。

著录项

  • 来源
    《Nuclear fusion》 |2017年第10期|102005.1-102005.12|共12页
  • 作者单位

    The University of Tokyo, Kashiwa 277-8561, Japan;

    The University of Tokyo, Kashiwa 277-8561, Japan;

    Nagoya University, Nagoya 464-8603, Japan;

    University of Hyogo, Himeji 671-2201, Japan;

    Kyoto University, Kyoto 603-8540, Japan;

    Kyushu University, Kasuga 816-8580, Japan;

    Kyushu University, Kasuga 816-8580, Japan;

    University of Hyogo, Himeji 671-2201, Japan;

    The University of Tokyo, Kashiwa 277-8561, Japan;

    Kyoto University, Kyoto 606-8502, Japan;

    Kyoto University, Kyoto 606-8502, Japan;

    National Institute for Fusion Science, Toki 509-5292, Japan;

    National Institutes for Quantum and Radiological Science and Technology, Naka 311-0193, Japan;

    National Institute for Fusion Science, Toki 509-5292, Japan;

    National Institute for Fusion Science, Toki 509-5292, Japan;

    National Institute for Fusion Science, Toki 509-5292, Japan;

    National Institute for Fusion Science, Toki 509-5292, Japan;

    National Institute for Fusion Science, Toki 509-5292, Japan;

    National Institute for Fusion Science, Toki 509-5292, Japan;

    Tokyo institute of Technology, Tokyo 152-8550, Japan;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    spherical tokamak; plasma current start-up; steady-state; high beta; reconnection; RF current drive; helicity injection;

    机译:球形托卡马克等离子电流启动;稳定状态;高贝塔值重新连接;射频电流驱动;螺旋注射;

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