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核聚变与等离子体物理 ›› 2009, Vol. 29 ›› Issue (1): 33-38.

• 等离子体物理学 • 上一篇    下一篇

HT-7装置低杂波电流驱动逃逸电子行为分析

卢洪伟,胡立群,林士耀,HT-7实验组   

  1. (中国科学院等离子体物理研究所,合肥 230031)
  • 收稿日期:2008-06-30 修回日期:2008-12-20 出版日期:2009-03-15 发布日期:2010-05-24
  • 作者简介:卢洪伟(1983-),男,山东临沂人,博士研究生,主要从事托卡马克逃逸电子研究。
  • 基金资助:

    国家自然科学基金项目(10675124);JSPS-CAS Core -University Program

Investigation on the generation of runaway electrons on the HT-7 tokamak with low hybrid current drive

LEI Hong-wei,HU Li-qun,LIN Shi-yao,HT-7Shi-yan-qu   

  1. (Institute of Plasma Physics, Chinese Academy of Sciences, Hefei 230031)
  • Received:2008-06-30 Revised:2008-12-20 Online:2009-03-15 Published:2010-05-24

摘要: 用NaI闪烁体探测器组成的逃逸电子诊断系统和CdTe半导体探测阵列组成的快电子轫致辐射诊断系统,研究了一定等离子体密度条件下低杂波功率和等离子体电流对逃逸产生的影响以及一定低杂波功率下等离子体密度对逃逸电子产生的不同作用效果。根据实验数据计算了HT-7装置等离子体中电子逃逸的阈值电场和一定放电条件下电子逃逸的阈值能量。

关键词: 低杂波电流驱动, 电流密度, 逃逸电子

Abstract: The runaway electron detection system composed of NaI detector is used to detect the hard x-ray emission which occurs when the runaway electrons impinge on the first wall and a tangentially arranged multi-channel CdTe detector array is adopted to measure the fast electron bremsstrahlung (FEB) emission on the HT-7 tokamak. And then the critical energy and critical electronic field of runaway electrons are calculated according to the experimental data.

Key words: Low hybrid current drive, Current density, Runaway electron

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