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首页> 外文期刊>Nuclear fusion >Experimental observation of multi-scale interactions among kink /tearing modes and high-frequency fluctuations in the HL-2A core NBI plasmas
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Experimental observation of multi-scale interactions among kink /tearing modes and high-frequency fluctuations in the HL-2A core NBI plasmas

机译：HL-2A核心NBI等离子体扭结/撕裂模式与高频波动之间多尺度相互作用的实验观察

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摘要

Multi-scale interactions have been observed recently in the HL-2A core NBI plasmas, including the synchronous coupling between kink mode and tearing mode, nonlinear couplings of TAE/BAE and TM near surface, AITG/KBM/BAE and kink mode near surface, and between kink mode and high-frequency turbulence. Experimental results suggest that several couplings can exist simultaneously, Alfvenic fluctuations have an important contribution to the high-frequency turbulence spectra, and the couplings reveal the electromagnetic character. Multi-scale interactions via the nonlinear modulation process maybe enhance plasma transport and trigger sawtooth-crash onset.
机译：最近在HL-2A核心NBI等离子体中观察到了多尺度相互作用，包括扭结模式与撕裂模式之间的同步耦合，TAE / BAE和TM在表面附近的非线性耦合，AITG / KBM / BAE和在表面附近的扭结模式，在扭结模式和高频湍流之间。实验结果表明，几种耦合可以同时存在，Alfvenic涨落对高频湍流谱有重要贡献，并且这些耦合揭示了电磁特性。通过非线性调制过程进行的多尺度相互作用可能会增强等离子体的传输并触发锯齿碰撞的发生。

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  • 来源
    《Nuclear fusion》 |2017年第11期|114003.1-114003.7|共7页
  • 作者

    Chen Wei; Jiang Min; Xu. Yuhong; Shi Peiwan; Yu Liming; Ding Xuantong; Shi Zhongbing; Ji Xiaoquan; Yu Deliang; Li Yonggao; Yang Zengchen; Zhong Wulü; Qiu Zhiyong; Li Jiquan; Dong Jiaqi; Yang Qingwei; Liu Yi; Yan Longwen; Xu Min; Duan Xuru;

  • 作者单位

    Southwestern Institute of Physics, PO Box 432, Chengdu, China;

    Southwestern Institute of Physics, PO Box 432, Chengdu, China;

    Institute of Fusion Science, School of Physical Science and Technology, Southwest Jiaotong University, Chengdu, China;

    Southwestern Institute of Physics, PO Box 432, Chengdu, China;

    Southwestern Institute of Physics, PO Box 432, Chengdu, China;

    Southwestern Institute of Physics, PO Box 432, Chengdu, China;

    Southwestern Institute of Physics, PO Box 432, Chengdu, China;

    Southwestern Institute of Physics, PO Box 432, Chengdu, China;

    Southwestern Institute of Physics, PO Box 432, Chengdu, China;

    Southwestern Institute of Physics, PO Box 432, Chengdu, China;

    Southwestern Institute of Physics, PO Box 432, Chengdu, China;

    Southwestern Institute of Physics, PO Box 432, Chengdu, China;

    Institute for Fusion Theory and Simulation, ZJU, Hangzhou, China;

    Southwestern Institute of Physics, PO Box 432, Chengdu, China;

    Southwestern Institute of Physics, PO Box 432, Chengdu, China;

    Southwestern Institute of Physics, PO Box 432, Chengdu, China;

    Southwestern Institute of Physics, PO Box 432, Chengdu, China;

    Southwestern Institute of Physics, PO Box 432, Chengdu, China;

    Southwestern Institute of Physics, PO Box 432, Chengdu, China;

    Southwestern Institute of Physics, PO Box 432, Chengdu, 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

    AITG/KBM/BAE; kink mode; multi-scale interaction; nonlinear coupling; tearing mode;

    机译：AITG / KBM / BAE;扭结模式多尺度互动非线性耦合撕裂模式;
  • 入库时间 2022-08-18 00:41:38

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