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Benchmark of fuel performance codes for FeCrAl cladding behavior analysis

FeCrAl被覆管挙動解析に関する燃料ふるまいコードのベンチマーク

Pastore, G.*; Gamble, K. A.*; Cherubini, M.*; Giovedi, C.*; Marino, A.*; 山路 哲史*; 加治 芳行; Van Uffelen, P.*; Veshchunov, M.*

Pastore, G.*; Gamble, K. A.*; Cherubini, M.*; Giovedi, C.*; Marino, A.*; Yamaji, Akifumi*; Kaji, Yoshiyuki; Van Uffelen, P.*; Veshchunov, M.*

耐酸化性FeCrAl鋼が軽水炉の事故耐性燃料用被覆管として提案されている。IAEAの研究プロジェクトの一環として、FeCrAl被覆管挙動に関する燃料ふるまいモデリングのベンチマークを実施した。この中で、FeCrAl被覆管材料の燃料棒問題に対して種々の燃料ふるまいコードを用いて計算を行い結果を相互に比較した。

Oxidation-resistant iron-chromium-aluminum (FeCrAl) steels have been proposed for application as cladding materials in light water reactor fuel rods with improved accident tolerance. Within the Coordinated Research Project ACTOF of the International Atomic Energy Agency (IAEA), a fuel performance modeling benchmark for FeCrAl cladding behavior was conducted. During this effort, calculations were performed with various fuel performance codes for a set of fuel rod problems with FeCrAl steel as cladding material, and results were compared to each other.

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