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The spectral basis of optimal error field correction on DⅢ-D

机译:DⅢ-D最优误差场校正的频谱基础

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摘要

Experimental optimum error field correction (EFC) currents found in a wide breadth of dedicated experiments on DⅢ-D are shown to be consistent with the currents required to null the poloidal harmonics of the vacuum field which drive the kink mode near the plasma edge. This allows the identification of empirical metrics which predict optimal EFC currents with accuracy comparable to that of first-principles modelling which includes the ideal plasma response. While further metric refinements are desirable, this work suggests optimal EFC currents can be effectively fed-forward based purely on knowledge of the vacuum error field and basic equilibrium properties which are routinely calculated in real-time.
机译:在DⅢ-D广泛的专用实验中发现的实验最佳误差场校正(EFC)电流与使真空场的极向谐波谐波无效的电流是一致的,该真空场驱动等离子体边缘附近的扭结模式。这样就可以确定经验指标,该指标可以预测最佳EFC电流,其准确性可与包括理想等离子体响应的第一原理建模相媲美。尽管需要进一步改进度量标准,但这项工作表明,纯粹基于对真空误差场和常规实时计算的基本平衡特性的了解,可以有效地前馈最佳EFC电流。

著录项

  • 来源
    《Nuclear fusion》 |2014年第7期|073013.1-073013.12|共12页
  • 作者单位

    Oak Ridge Institute for Science and Education (ORISE), Oak Ridge, TN 37831, USA;

    General Atomics, PO Box 85608, San Diego, CA 92186-5608, USA;

    General Atomics, PO Box 85608, San Diego, CA 92186-5608, USA;

    Columbia University, New York, NY 10027, USA;

    General Atomics, PO Box 85608, San Diego, CA 92186-5608, USA;

    General Atomics, PO Box 85608, San Diego, CA 92186-5608, USA;

    Princeton Plasma Physics Laboratory, Princeton, NJ 08543, USA;

    Princeton Plasma Physics Laboratory, Princeton, NJ 08543, USA;

    General Atomics, PO Box 85608, San Diego, CA 92186-5608, USA;

  • 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

    error field correction; plasma response; resistive wall mode; kink mode; tokamak;

    机译:误差场校正;血浆反应电阻壁模式;扭结模式托卡马克;

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