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WEST Physics Basis

C. Bourdelle, J.F. Artaud, V. Basiuk, M. Bécoulet, S. Brémond, J. Bucalossi, H. Bufferand, G. Ciraolo, L. Colas, Y. Corre2015年被引用 92Nuclear FusionIF 3出版社

With WEST (Tungsten Environment in Steady State Tokamak) (Bucalossi et al 2014 Fusion Eng. Des.89 907–12), the Tore Supra facility and team expertise (Dumont et al 2014 Plasma Phys. Control. Fusion56 075020) is used to pave the way towards ITER divertor procurement and operation. It consists in implementing a divertor configuration and installing ITER-like actively cooled tungsten monoblocks in the Tore Supra tokamak, taking full benefit of its unique long-pulse capability. WEST is a user facility platform, open to all ITER partners. This paper describes the physics basis of WEST: the estimated heat flux on the divertor target, the planned heating schemes, the expected behaviour of the L–H threshold and of the pedestal and the potential W sources. A series of operating scenarios has been modelled, showing that ITER-relevant heat fluxes on the divertor can be achieved in WEST long pulse H-mode plasmas.

日本語訳

WEST(定常状態トカマクにおけるタングステン環境)(Bucalossi et al 2014 Fusion Eng. Des.89 907–12) により、Tore Supra施設とチームの専門知識 (Dumont et al 2014 Plasma Phys. Control. Fusion56 075020) を活用して、ITERダイバータの調達と運転への道を切り開いている。これは、Tore Supraトカマクにダイバータ配位を実装し、ITER類似の水冷タングステンモノブロックを設置することで構成され、その独自の長時間パルス能力を最大限に活用するものである。WESTは、すべてのITERパートナーに開かれたユーザー施設プラットフォームである。本論文は、WESTの物理的基盤を記述する:ダイバータターゲット上の推定熱流束、計画された加熱スキーム、L–H閾値とペデスタルの期待される挙動、および潜在的なW源。一連の運転シナリオがモデル化され、ITERに関連するダイバータ上の熱流束がWESTの長時間パルスHモードプラズマで達成可能であることが示されている。

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