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Neutronics analysis of the dual-cooled waste transmutation blanket for the FDS

Y.C Wu, X.X Zhu, S.L Zheng, Y Ke, H Liu2002年Fusion Engineering and DesignIF 1.7出版社

AbstractA preliminary conceptual design of dual-cooled long-lived radioactive waste transmutation blanket for the Fusion-Driven sub-critical hybrid System (FDS) is presented on the basis of feasible plasma physics and technology level i.e. the neutron wall loading is assumed to 0.5 MW/m2 with availability of 50%. The concept has the attractive advantages e.g. tritium is self-sustainable, plutonium for the purpose of neutron multiplication is self-sustainable and the thermal power output is stable. The one-dimensional neutronic transport calculation using the discrete ordinate method and burnup calculation using the direct numerical method are carried out to assess the performance of the blanket.

日本語訳

核融合駆動型亜臨界ハイブリッドシステム(FDS)用の二重冷却型長寿命放射性廃棄物核変換ブランケットの予備的概念設計を、実現可能なプラズマ物理と技術レベルに基づいて提示する。すなわち、中性子壁負荷は0.5 MW/m²、稼働率は50%と仮定する。本概念は、トリチウムの自己増殖が可能であり、中性子増倍を目的としたプルトニウムの自己増殖が可能であり、かつ熱出力が安定であるという魅力的な利点を有する。ブランケットの性能を評価するため、離散座標法による一次元中性子輸送計算と直接数値解法による燃焼計算を実施する。

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