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Controlling confinement with induced toroidal current in the flexible Heliac TJ-II

J.A. Romero, D. López-Bruna, A. López-Fraguas, E. Ascasíbar, the TJ-II Team2003年被引用 15Nuclear FusionIF 3出版社

A method to control plasma particle and energy confinement in the TJ-II Heliac device is reported. A small toroidal current is induced in the plasma with the aid of a 0.2 Wb air core transformer. Plasma particle and energy confinement improve (degrade) with negative (positive) plasma current. For typical TJ-II discharges, plasma density and temperature profiles broaden considerably when plasma current is sufficiently negative, accounting for a 40% increase in stored energy. The experimental results agree qualitatively with the paradigm of instability growth rate modifications with magnetic shear.

日本語訳

TJ-IIヘリアック装置におけるプラズマ粒子およびエネルギー閉じ込めの制御方法について報告する。0.2 Wbの空芯トランスを用いて、プラズマ中に小さなトロイダル電流を誘起する。プラズマ粒子およびエネルギー閉じ込めは、負のプラズマ電流で向上し、正のプラズマ電流で劣化する。典型的なTJ-II放電において、プラズマ電流が十分に負の場合、プラズマ密度および温度分布は著しく平坦化し、蓄積エネルギーの40%増加をもたらす。実験結果は、磁気シアによる不安定性成長率の変調に関する定性的なパラダイムと一致する。

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tj-ii高精度(タイトル一致)

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TJ-II
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