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高速増殖炉サイクルの実用化戦略策定における総合評価

Synthetic evaluation method for fast reactor cycle with AHP and utility theory, etc.

塩谷 洋樹

Shiotani, Hiroki

実用化戦略調査研究フェーズII最終評価では、20のFBRサイクル候補概念について、安全性,経済性,環境負荷低減性,資源有効利用性,核拡散抵抗性,技術的実現性という6つの観点から多面的評価した。多面的評価では視点間の重み付けにはAHPを用い、多属性効用分析の枠組みを活用して評価した。炉型別の評価結果では、ナトリウム冷却炉を用いるFBRサイクルが最も有望な概念となった。

In the Feasibility Study Phase 2 final evaluation, 20 candidate Fast Reactor (FR) cycle concepts were evaluated from six viewpoints including safety, economics, environmental burden reduction, efficient utilization of natural uranium resources, and nuclear non-proliferation in the multidimensional evaluation. Analytical Hierarcy Process (AHP) was used in the weighting of the viewpoints and the framework of Multi Attribute Utility Theory (MAUA) was also used in the evaluation. The FR cycle with soudium-cooled fast reactor was considered as the most promising concepts from the synthetic evaluation result for various reactor systems.

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