Evaluation of Zeff Profile in Low-Density and High-Ti Discharges with Carbon Pellet Injection based on Space-Resolved EUV Spectroscopy in LHD

  • HUANG Xianli
    Department of Fusion Science, Graduate University for Advanced Studies
  • MORITA Shigeru
    Department of Fusion Science, Graduate University for Advanced Studies National Institute for Fusion Science
  • OISHI Tetsutarou
    Department of Fusion Science, Graduate University for Advanced Studies National Institute for Fusion Science
  • GOTO Motoshi
    Department of Fusion Science, Graduate University for Advanced Studies National Institute for Fusion Science
  • ZHANG Hongming
    Department of Fusion Science, Graduate University for Advanced Studies

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タイトル別名
  • Evaluation of <i>Z</i><sub>eff</sub> Profile in Low-Density and High-<i>T</i><sub>i</sub> Discharges with Carbon Pellet Injection based on Space-Resolved EUV Spectroscopy in LHD

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抄録

<p>Zeff profile analysis has been carried out in a low-density and high-Ti discharge with carbon pellet injection. The evolution of the Zeff profile shows a centrally peaked profile just after the pellet injection while the profile gradually returns to an original flat profile as a function of time. Comparison between the evolution of Zeff and Ti profiles in the plasma center strongly suggests that there is a positive relation between Zeff and Ti.</p>

収録刊行物

  • Plasma and Fusion Research

    Plasma and Fusion Research 10 (0), 3402036-3402036, 2015

    一般社団法人 プラズマ・核融合学会

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