3.異常輸送(誰にでもわかるトーラスプラズマの輸送現象)

概要

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Fundamental properties of anomalous transport in a toroidal magnetic confinement system are intuitively presented based on linear and quasi-linear treatments. The mechanism for determining structure and the distribution of eigen-modes, which are the origin of micro-instabilities and related turbulent transport are examined. Specifically, the relation between mode structure and fluctuation level, and also the underlying physical mechanism of gyro-Bohm and Bohm transport properties, are investigated in terms of a simple marginal stability transport model coupled with the fluctuation energy equation. Several important aspects of transport process originated from the mode structure in the torus are discussed. Some advanced numerical simulations of micro-instability and turbulence are presented in order to understand toroidal eigen-mode and turbulent structure.
社団法人プラズマ・核融合学会の論文
2000-12-25