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Particle, in particular helium removal experiments optimized by the dynamic ergodic divertor

K.H. Finken1997年Fusion Engineering and DesignIF 1.7出版社

AbstractThe pump limiter is one of the few schemes for particle removal from and density control in a tokamak. An exhaust efficiency of 2–10% has been reached depending on the plasma parameters. In a burning steady state reactor, helium has to be removed in a time scale of <15 energy confinement times for clean plasmas. This goal has barely been reached with the pump limiter on TEXTOR. The widening of the scrape off layer with the dynamic ergodic divertor (DED) promises an increase of the removal rate by nearly a factor of 2.

日本語訳

ポンプリミターは、トカマクにおける粒子除去および密度制御のための数少ない方式の一つである。プラズマパラメータに応じて、排気効率2〜10%が達成されている。定常燃焼炉では、クリーンなプラズマのために、ヘリウムはエネルギー閉じ込め時間の15倍未満の時間スケールで除去されなければならない。この目標は、TEXTORのポンプリミターによってかろうじて達成されている。動的エルゴディックダイバータ(DED)によるスクレイプオフ層の拡大は、除去率を約2倍に向上させることが期待される。

装置

textor中精度(概要文一致)

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DivertorHeliumErgodic divertor
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