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首页> 外文期刊>Nuclear fusion >Stabilization of ion fishbone activities by electron cyclotron resonance heating in a toroidal plasma
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Stabilization of ion fishbone activities by electron cyclotron resonance heating in a toroidal plasma

机译：在环形等离子体中通过电子回旋共振加热来稳定离子鱼骨的活性

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摘要

We report an experimental result on the stabilization of the energetic-ion driven internal kink mode (ion fishbone) by electron cyclotron resonance heating (ECRH), observed for the first time in a toroidal plasma. The mode asserts itself a resistive branch close to the marginal stability point. The resulting fishbone mode depends not only on the injected power but also on the radial deposition location of ECRH, and the instability can be completely suppressed when the injected ECRH power exceeds certain threshold. Analysis by the fishbone dispersion relation, including the resistive effect, suggests that the magnetic Reynolds number plays a key role in the mode stabilization-it weakens the mode growth-rate and enhances the critical energetic-ion beta without changing the energetic-ion population. This ion fishbone stabilization mechanism can be important for future devices such as ITER, which has significant ECRH capability.
机译：我们报告了通过电子回旋共振加热（ECRH）对高能离子驱动的内部扭结模式（离子鱼骨）进行稳定的实验结果，这是在环形等离子体中首次观察到的。该模式将其自身声明为靠近边缘稳定点的电阻分支。最终的鱼骨模式不仅取决于注入的功率，还取决于ECRH的径向沉积位置，当注入的ECRH功率超过特定阈值时，可以完全抑制不稳定性。通过鱼骨色散关系的分析（包括电阻效应）表明，雷诺数在模式稳定中起着关键作用，它减弱了模式增长率，并在不改变高能离子种群的情况下提高了高能离子β值。这种离子鱼骨稳定机制对于未来的设备（如ITER）具有重要的ECRH功能，可能非常重要。

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  • 来源
    《Nuclear fusion》 |2018年第1期|014001.1-014001.5|共5页
  • 作者

    W. Chen; L.M. Yu; P.W. Shi; R. Ma; X.Q. Ji; M. Jiang; X.L. Zhu; Z.B. Shi; D.L. Yu; B.S. Yuan; Y.G. Li; Z.C. Yang; J.Y. Cao; S.D. Song; W.L. Zhong; H.D. He; J.Q. Dong; XT. Ding; L.W. Yan; Yi. Liu; Q.W. Yang; M. Xu; X.R. Duan;

  • 作者单位

    Southwestern Institute of Physics, PO Box 432, Chengdu 610041, People's Republic of China;

    Southwestern Institute of Physics, PO Box 432, Chengdu 610041, People's Republic of China;

    Southwestern Institute of Physics, PO Box 432, Chengdu 610041, People's Republic of China;

    Southwestern Institute of Physics, PO Box 432, Chengdu 610041, People's Republic of China;

    Southwestern Institute of Physics, PO Box 432, Chengdu 610041, People's Republic of China;

    Southwestern Institute of Physics, PO Box 432, Chengdu 610041, People's Republic of China;

    School of Physics and Optoelectronic, DUT, Dalian 116024, People's Republic of China;

    Southwestern Institute of Physics, PO Box 432, Chengdu 610041, People's Republic of China;

    Southwestern Institute of Physics, PO Box 432, Chengdu 610041, People's Republic of China;

    Southwestern Institute of Physics, PO Box 432, Chengdu 610041, People's Republic of China;

    Southwestern Institute of Physics, PO Box 432, Chengdu 610041, People's Republic of China;

    Southwestern Institute of Physics, PO Box 432, Chengdu 610041, People's Republic of China;

    Southwestern Institute of Physics, PO Box 432, Chengdu 610041, People's Republic of China;

    Southwestern Institute of Physics, PO Box 432, Chengdu 610041, People's Republic of China;

    Southwestern Institute of Physics, PO Box 432, Chengdu 610041, People's Republic of China;

    Southwestern Institute of Physics, PO Box 432, Chengdu 610041, People's Republic of China;

    Southwestern Institute of Physics, PO Box 432, Chengdu 610041, People's Republic of China;

    Southwestern Institute of Physics, PO Box 432, Chengdu 610041, People's Republic of China;

    Southwestern Institute of Physics, PO Box 432, Chengdu 610041, People's Republic of China;

    Southwestern Institute of Physics, PO Box 432, Chengdu 610041, People's Republic of China;

    Southwestern Institute of Physics, PO Box 432, Chengdu 610041, People's Republic of China;

    Southwestern Institute of Physics, PO Box 432, Chengdu 610041, People's Republic of China;

    Southwestern Institute of Physics, PO Box 432, Chengdu 610041, People's Republic of China;

  • 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

    resistive internal kink mode; fishbone; magnetic Reynolds number; energetic-ion; ECRH;

    机译：电阻内部扭结模式;鱼骨磁雷诺数;充满活力的离子ECRH;

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