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Transport and turbulence due to ITG and dissipative trapped electron modes

A Jarmen, H Nordman1992年Plasma Physics and Controlled FusionIF 2.2出版社

The anomalous transport and turbulence driven by a combination of the toroidal ion temperature gradient (ITG) mode and dissipative trapped electron (DTE) mode are studied for a plasma in the dissipative regime. The results from numerical mode coupling simulations show a good agreement with the results from quasilinear theory. A transition from the neo-Alcator scaling of the energy confinement time with density to a saturated state is obtained. It is shown that ion heat pinch effects (inward transport) may exist in the process of thermodynamic relaxation of the system.

日本語訳

異常輸送と乱流は、トロイダルイオン温度勾配(ITG)モードと散逸捕捉電子(DTE)モードの組み合わせによって駆動されるプラズマについて、散逸領域において研究される。数値モード結合シミュレーションの結果は、準線形理論の結果と良好な一致を示す。エネルギー閉じ込め時間の密度に対するスケーリングが、ネオ・アルケーター・スケーリングから飽和状態への遷移を示すことが得られる。また、系の熱力学的緩和過程において、イオン熱ピンチ(内向き輸送)が存在し得ることが示される。

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Ion temperature gradientTrapped electron
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