Quasi-ultimate and quasistatic states in MHD systems.

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  • Yoshida Zensho
    Department of Nuclear Engineering, Faculty of Engineering, University of Tokyo

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Other Title
  • 電磁流体力学系の準終状態と準静状態
  • デンジリュウ タイリョクガクケイ ノ ジュン シュウ ジョウタイ ト ジュン

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Abstract

The dissipative structure of an MHD system is studied theoretically and phenomenologically. General remarks are made on the relation between self-organization in dynamical systems and characteristics of equilibria. We introduce a concept of quasi-ultimate states, and find MHD quasi-ultimate states, which correspond to RFP, tokamak, and trivial states. An extended set of stable equilibria, that is the quasistatic class of equilibria, includes ULQ states which are lying between the tokamak and RFP states. Relaxation into these stable equilibria is characterized by two different processes, viz., classical diffusion and MHD relaxation.

Journal

  • Kakuyūgō kenkyū

    Kakuyūgō kenkyū 56 (2), 115-123, 1986

    The Japan Society of Plasma Science and Nuclear Fusion Research

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