Impacts of External Momentum Torque on Impurity Particle Transport in LHD

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  • NUNAMI Masanori
    National Institute for Fusion Science, National Institutes of Natural Sciences The Graduate University for Advanced Studies
  • SATO Masahiko
    National Institute for Fusion Science, National Institutes of Natural Sciences
  • NAKATA Motoki
    National Institute for Fusion Science, National Institutes of Natural Sciences The Graduate University for Advanced Studies
  • TODA Shinichiro
    National Institute for Fusion Science, National Institutes of Natural Sciences
  • SUGAMA Hideo
    National Institute for Fusion Science, National Institutes of Natural Sciences The Graduate University for Advanced Studies
  • YOKOYAMA Masayuki
    National Institute for Fusion Science, National Institutes of Natural Sciences The Graduate University for Advanced Studies
  • YAMAGUCHI Hiroyuki
    National Institute for Fusion Science, National Institutes of Natural Sciences

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抄録

<p>Particle transport processes of impurity ions in a multi-ion-species plasma in the Large Helical Device are investigated by neoclassical transport simulations. While the quasi-linear gyrokinetic analyses indicate that the anomalous contribution of the impurity particle transport is radially inward-directed, it is found that the external momentum sources can cause the existence of the electron root with positive radial electric field and outward-directed neoclassical particle flux of the impurity ion.</p>

収録刊行物

  • Plasma and Fusion Research

    Plasma and Fusion Research 12 (0), 1203039-1203039, 2017

    一般社団法人 プラズマ・核融合学会

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