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An efficient technique for magnetic equilibrium reconstruction with q profile constraints and its application on the EAST tokamak

机译:具有q轮廓约束的磁平衡重建的有效技术及其在EAST托卡马克上的应用

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摘要

An efficient technique for building plasma equilibria with preset or constrained q profiles by solving the nonlinear Grad-Shafranov equation iteratively is proposed. The technique uses a set of dynamic virtual poloidal field probes in the plasma core region. Numerical examples are shown for monotonic q profiles and negative central magnetic shear equilibria which are obtained with this technique. As a proof of principle, the technique is applied on the EAST tokamak, to constrain the plasma equilibrium reconstruction with the experimental q = 1 surface information from the ECE diagnostic in addition to the external magnetic measurements.
机译:提出了一种通过迭代求解非线性Grad-Shafranov方程建立具有预设或约束q轮廓的等离子体平衡的有效技术。该技术在血浆核心区域使用了一组动态虚拟多倍体场探针。给出了用该技术获得的单调q分布和负中心磁剪切平衡的数值示例。作为原理上的证明,该技术应用于EAST托卡马克,除外部磁测量外,还利用来自ECE诊断程序的实验q = 1表面信息来约束等离子体平衡重建。

著录项

  • 来源
    《Nuclear fusion》 |2017年第8期|084001.1-084001.4|共4页
  • 作者单位

    Institute of Plasma Physics, Chinese Academy of Sciences, Hefei, Anhui, China;

    General Atomics, San Diego, CA, United States;

    Lawrence Livermore National Laboratory, Livermore, CA, United States;

    Institute of Plasma Physics, Chinese Academy of Sciences, Hefei, Anhui, China;

    Institute of Plasma Physics, Chinese Academy of Sciences, Hefei, Anhui, China;

    CEA, IRFM, Saint-Paul-lez-Durance, France;

    Institute of Plasma Physics, Chinese Academy of Sciences, Hefei, Anhui, China;

    Institute of Plasma Physics, Chinese Academy of Sciences, Hefei, Anhui, China;

    Kyushu University, Fukuoka, Japan;

    General Atomics, San Diego, CA, United States;

    General Atomics, San Diego, CA, United States;

    Institute of Plasma Physics, Chinese Academy of Sciences, Hefei, Anhui, China;

    Institute of Plasma Physics, Chinese Academy of Sciences, Hefei, Anhui, 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

    plasma equilibrium; q profile; sawtooth;

    机译:血浆平衡q个人资料;锯齿;

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