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Internal transport barrier formation in the Tore Supra tokamak

F Turco, G Giruzzi, J F Artaud, D Mazon2009年Plasma Physics and Controlled FusionIF 2.2出版社

The characteristics of the safety factor profile (q) have been studied for a database of discharges featuring internal transport barrier phenomena under different heating and current drive conditions in the Tore Supra tokamak. The presence of a recurrent link between the time of formation of an internal barrier and the central safety factor (q0) crossing a low order rational surface is reported on and discussed for a database of ∼40 discharges. Other relevant features of the current profile (e.g. the minimal q value, the magnetic shear and the presence of magnetic islands in the plasma) have been investigated, yielding to little or no correlation with the time and location of the barrier.

日本語訳

安全係数(q)プロファイルの特性が、トレ・シュプラ tokamak において異なる加熱および電流駆動条件下での内部輸送障壁現象を特徴付ける放電データベースについて研究された。内部障壁の形成時間と中心安全係数(q0)が低次の有理面を横切ることとの間の再現性のある関連性が、約40の放電について報告され、考察された。電流プロファイルの他の関連する特徴(例えば、qの最小値、磁気シア、プラズマ中の磁気島の存在)は調査されたが、障壁の形成時間および位置との相関はほとんどまたは全く見られなかった。

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Transport barrierTore SupraInternal transport barrier
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