Nonlinear Wave Phenomena in Beam-Plasma Systems. 6. 8. Nonlinear Phenomena and Self-Organization in RFP Plasmas.

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  • Masamune Sadao
    Department of Electronics, Kyoto Institute of Technology
  • Hirano Yoichi
    Energy Fundamentals Divsion, Plasma Section, Electrotechnical Laboratory

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  • 非線形プラズマ実験　６　第８章　ＲＦＰにおける非線形現象と自己組織化
  • ヒセンケイ プラズマ ジッケン 8 RFP ニ オケル ヒセンケイ ゲンショウ

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Abstract

Setting up of a reversed field pinch (RFP) configuration and subsequet sustainment of the configuration are regarded as an example of self-organization in high-temperature plasmas. Dynamic process of the self-organization in RFP's is discussed based on experimental results. Time evolution of the poloidal and toroidal mode numbers has revealed that nonlinear coupling of m=1 resistive internal kink modes plays essential roles in both setting up and sustainment phase of the RFP configuration.The nonlinear coupling of the kink modes may also be related to early termination of the discharge, as well as to relaxation, transport and confinement.Further efforts are required for the quantitative comparative discussion of the theory and experiments.

Journal

  • Kakuyūgō kenkyū

    Kakuyūgō kenkyū 68 (3), 268-278, 1992

    The Japan Society of Plasma Science and Nuclear Fusion Research

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