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Tokamak demonstration reactors

W.M. Stacey1995年被引用 21Nuclear FusionIF 3出版社

The characteristics of tokamak demonstration reactors (DEMOs) that would extrapolate from both the existing and the emerging physics and materials databases are calculated. The emerging advanced physics design base would allow more compact DEMO designs at lower plasma currents than would be possible with the existing physics design base upon which the International Thermonuclear Experimental Reactor (ITER) is being designed. The primary structural material for ITER, 316SS, has a relatively low first-wall heat flux limit, which probably would preclude full utilization of the emerging advanced physics database in the DEMOs. Furthermore, the use of 316SS would lead to DEMOs that required deep repository burial of radioactive waste upon decommissioning. An advanced structural material (e.g. V-4Ti-4Cr) would allow fuller utilization of the advanced physics design base and would lead to DEMOs that possibly would satisfy near surface burial criteria

日本語訳

トカマク実証炉(DEMO)において、既存および新興の物理・材料データベースから外挿される特性を計算した。新興の先進物理設計ベースにより、国際熱核融合実験炉(ITER)の設計に用いられている既存の物理設計ベースを用いた場合よりも、より低いプラズマ電流でよりコンパクトなDEMO設計が可能となる。ITERの主要構造材料である316SSは、第一壁の熱流束限界が比較的低く、DEMOにおける新興の先進物理データベースの完全な活用をおそらく妨げることになる。さらに、316SSを使用した場合、DEMOは廃止措置時に放射性廃棄物の深地層処分を必要とすることになる。先進構造材料(例:V-4Ti-4Cr)を使用すれば、先進物理設計ベースのより完全な活用が可能となり、おそらく浅地層処分基準を満たすDEMOの実現につながるであろう。

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