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The compatibility of high confinement times and complete divertor detachment in ASDEX-Upgrade

J Neuhauser, M Alexander, G Becker, H S Bosch, K Buchl, D Coster, R Dux, A Field, S Fiedler, Ch Fuchs1995年Plasma Physics and Controlled FusionIF 2.2出版社

The completely detached high confinement (CDH) regime established recently in high power ASDEX-Upgrade single null divertor discharges is described. The standard CDH mode scenario with feedback controlled external deuterium and neon puffing is analysed in detail with respect to its divertor detachment and confinement properties. Impurity transport and pumping effects and the density operation windows of the CDH mode are outlined. First results with other impurity radiators (N,Ar) are given. Finally the CDH mode operation space is discussed in terms of main chamber and scrape-off layer plus divertor radiation and possible consequences for future fusion experiments are outlined.

日本語訳

近年、ASDEX-Upgrade単一ダイバータ放電において確立された完全非接触高閉じ込め(CDH)モードについて述べる。標準的なCDHモードシナリオにおける、外部からの重水素およびネオン入射のフィードバック制御を、そのダイバータ非接触特性と閉じ込め特性に関して詳細に解析する。不純物輸送と排気効果、ならびにCDHモードの密度運転窓について概説する。他の不純物(N,Ar)を用いた初期結果を示す。最後に、主容器およびスクレイプオフ層における放射とダイバータ放射の観点からCDHモードの運転領域を考察し、将来の核融合実験への影響について論じる。

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asdex-upgrade高精度(タイトル一致)

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DivertorASDEXASDEX UpgradeDivertor detachmentConfinement time
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