Kinetic Ballooning Mode Turbulence Simulation based on Electromagnetic Gyrokinetics

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概要

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• The kinetic ballooning mode (KBM) turbulence in Tokamak plasma is investigated by electromagnetic gyrokinetic simulations. From the entropy balance analysis, it is revealed that the field-particle interactions transfer a significant fraction of the ion entropy produced by the instability to electrons. Then, the produced ion entropy balances to the sum of the ion and electron dissipations at the saturation of the KBM instability growth, in contrast to ITG turbulence where ion entropy production mostly balances to ion dissipation.

• 社団法人 プラズマ・核融合学会の論文

著者

• ISHIZAWA Akihiro

  National Institute for Fusion Science, 322-6 Oroshi-cho Toki-city, GIFU 509-5292, Japan

• WATANABE Tomohiko

  National Institute for Fusion Science

• Miyato Naoaki

  Japan Atomic Energy Agency, Naka, Ibaraki 311-0193

• MAEYAMA Shinya

  Japan Atomic Energy Agency

• NAKATA Motoki

  Japan Atomic Energy Agency

• IDOMURA Yasuhiro

  Japan Atomic Energy Agency

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