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Some aspects of volumetric neutron source based on tokamak with ‘warm’ magnet system and inner radiation shield

O.G. Filatov, V.V. Filatov, Ye.G. Kuzmin, A.N. Makhankov, V.E. Zhogolev1996年Fusion Engineering and DesignIF 1.7出版社

AbstractThe problems of volumetric neutron source (VNS) creation on a tokamak base with moderate to high aspect ratio (A = 3–4.5) and a multiturn normal conducting (‘warm’) toroidal field magnet system are discussed. Two main variants are analysed: torus major radius R =1.7 m (inner radiation shield thickness Δin = 0.2 m); R = 3m (Δin = 0.7 m). Special attention has been given to the following: stationary current drive realization with beam energy 140–160 keV; the case of plasma disruption impact in comparison with ITER; some engineering aspects of VNS development including the divertor problem and choice of insulation, the TF system and vacuum vessel concept, facility assembling/disassembling.

日本語訳

トカマクベースの体積中性子源(VNS)の創設に関する問題について、中程度から高いアスペクト比(A = 3–4.5)および多巻線常伝導(「常温」)トロイダル磁場コイルシステムを有する場合について考察する。主に2つの変種を分析する:トーラス主半径 R = 1.7 m(内側放射線遮蔽厚 Δin = 0.2 m)および R = 3 m(Δin = 0.7 m)。以下の点に特に注目する:ビームエネルギー 140–160 keV による定常電流駆動の実現、ITER との比較におけるプラズマ崩壊の影響のケース、VNS 開発における工学的側面(ダイバータ問題とその選択、TF コイルシステム、真空容器の概念、施設の組立・分解)。

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