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Global and local conditions for the L-H and H-L transitions on JET

E Righi, D Bartlett, G Conway, J G Cordey, L-G Eriksson, C Gormezano, J C M de Haas, L Horton, J Jacquinot, C Lowry1998年Plasma Physics and Controlled FusionIF 2.2出版社

An analysis of the complete JET D-D threshold database, from 1990 to 1997 inclusive is presented. A JET scaling is derived for the threshold power through the separatrix, estimated by considering also radiation losses from the bulk plasma. Such scalings are applied to obtain a first qualitative estimate of the amount of power above threshold that is needed to obtain steady-state high confinement (H89 > 1.8). The L-H and H-L transitions are also analysed in terms of local edge parameters. The first results on isotope scaling of the H-mode power threshold in D-T and T-T plasmas are also presented, confirming the scaling.

日本語訳

JETのD-D閾値データベース全体(1990年から1997年まで)の解析を提示する。セパラトリックスを通過する閾値電力について、バルクプラズマからの放射損失も考慮に入れたJETスケーリングを導出する。このようなスケーリングを適用して、定常高閉じ込め(H89 > 1.8)を得るために必要な閾値超過電力量の最初の定量的見積もりを得る。L-H遷移およびH-L遷移についても、周辺部パラメータの観点から解析する。D-TおよびT-TプラズマにおけるHモード電力閾値の同位体スケーリングに関する最初の結果も提示し、スケーリングを確認する。

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jet高精度(タイトル一致)

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JETL-H transition
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