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首页> 中文期刊> 《中国物理快报：英文版》 >Effects of Plasma Density and Toroidal Magnetic Field on Lower Hybrid Current rnDrive Efficiencv on HT-7 Tokamak

Effects of Plasma Density and Toroidal Magnetic Field on Lower Hybrid Current rnDrive Efficiencv on HT-7 Tokamak

         
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摘要

Lower hybrid current drive experiments on the HT-7 device have been carried out by scanning the following rnparameters: central line averaged electron density (ne ＝ 0.6 - 2.0 × 1019m-3) and toroidal magnetic field rn(Bt ＝ 1.62 - 2.0 T). The dependence of current drive efficiency on these parameters has been studied and the rnexperimental curves of current drive efficiency as a function of ne and Bt have also been obtained. From these rnexperimental results, it can be seen that current drive efficiency rises with the increase of toroidal magnetic field.rnAs plasma density increases, the current drive efficiency first increases to a certain value, then gradually decreases,rnthat is, there exists an optimized density regime where a better drive efficiency can be obtained. The analysis rnshows that the current drive efficiency is mainly affected by wave accessibility and impurity concentration, and rnthe competition of these two factors determines the current drive efficiency.

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  • 来源
    《中国物理快报：英文版》 |2000年第7期|519-521|共3页
  • 作者

    DING Bo-Jiang; YANG Chun-Sheng; XU Han-Dong; YU Jia-Wen; HUANG Yi-Yun; SHANG Lian-Quan; SHI Yue-Jiang; WU Zhen-Wei; ZHANG Jin-Song; YIN Fu-Xian; ZHANG Xiao-Dong; KUANG Guang-Li; LIU Xiao-Ning; XIE Ji-Kang; WAN Yuan-Xi; LIU Yue-Xiu; LIU Deng-Cheng; ZHENG Guang-Hua; WU Jun-Shuan; LIU Fu-Kun; SHEN Wei-Ci; LIN Jian-An;

  • 作者单位

    Institute of Plasma Physics, Chinese Academy of Sciences, Hefei 230031;

    Institute of Plasma Physics, Chinese Academy of Sciences, Hefei 230031;

    Institute of Plasma Physics, Chinese Academy of Sciences, Hefei 230031;

    Institute of Plasma Physics, Chinese Academy of Sciences, Hefei 230031;

    Institute of Plasma Physics, Chinese Academy of Sciences, Hefei 230031;

    Institute of Plasma Physics, Chinese Academy of Sciences, Hefei 230031;

    Institute of Plasma Physics, Chinese Academy of Sciences, Hefei 230031;

    Institute of Plasma Physics, Chinese Academy of Sciences, Hefei 230031;

    Institute of Plasma Physics, Chinese Academy of Sciences, Hefei 230031;

    Institute of Plasma Physics, Chinese Academy of Sciences, Hefei 230031;

    Institute of Plasma Physics, Chinese Academy of Sciences, Hefei 230031;

    Institute of Plasma Physics, Chinese Academy of Sciences, Hefei 230031;

    Institute of Plasma Physics, Chinese Academy of Sciences, Hefei 230031;

    Institute of Plasma Physics, Chinese Academy of Sciences, Hefei 230031;

    Institute of Plasma Physics, Chinese Academy of Sciences, Hefei 230031;

    Institute of Plasma Physics, Chinese Academy of Sciences, Hefei 230031;

    Institute of Plasma Physics, Chinese Academy of Sciences, Hefei 230031;

    Institute of Plasma Physics, Chinese Academy of Sciences, Hefei 230031;

    Institute of Plasma Physics, Chinese Academy of Sciences, Hefei 230031;

    Institute of Plasma Physics, Chinese Academy of Sciences, Hefei 230031;

    Institute of Plasma Physics, Chinese Academy of Sciences, Hefei 230031;

    Institute of Plasma Physics, Chinese Academy of Sciences, Hefei 230031;

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