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Snowflake divertor plasmas on TCV

F Piras, S Coda, I Furno, J-M Moret, R A Pitts, O Sauter, B Tal, G Turri, A Bencze, B P Duval2009年Plasma Physics and Controlled FusionIF 2.2出版社

Starting from a standard single null X-point configuration, a second order null divertor (snowflake (SF)) has been successfully created on the Tokamak à Configuration Variable (TCV) tokamak. The magnetic properties of this innovative configuration have been analysed and compared with a standard X-point configuration. For the SF divertor, the connection length and the flux expansion close to the separatrix exceed those of the standard X-point by more than a factor of 2. The magnetic shear in the plasma edge is also larger for the SF configuration.

日本語訳

標準的なシングルヌルX点配位から出発して、トカマク・ア・コンフィギュラシオン・バリアブル(TCV)トカマクにおいて2次ヌルダイバータ(スノーフレーク(SF))配位の生成に成功した。この革新的な配位の磁気的性質を解析し、標準的なX点配位と比較した。SFダイバータでは、セパラトリックス近傍における結合長とフラックス拡大が、標準的なX点配位の2倍以上に達することが示された。また、SF配位ではプラズマ周辺部の磁気シアもより大きいことが確認された。

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DivertorTCVDivertor plasma
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