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Temperature transients in reference tokamak reactors following loss of coolant

W.E. Han, I. Cook1991年Fusion Engineering and DesignIF 1.7出版社

AbstractCalculations have been made of the temperature evolution of the structures in the outboard zone and of the divertor of the standard and low-activation versions of the EEF (Environmental, Safety-Related, and Economic Potential of Fusion Power) Reference Reactor, following hypothesised loss-of-coolant events. For the standard version, temperatures of the first wall and blanket are found to rise only very slowly (after an initial adjustment) and for the low-activation version never exceed about 850 K. Although the results are specific to the particular materials and reactor power density used in this study, they augur well for the development of a purely passive approach to fusion safety.

日本語訳

標準型および低放射化型のEEF(環境・安全性・経済性を考慮した核融合参考炉)参考炉のアウトボード領域の構造物およびダイバータにおける温度推移について、想定される冷却材喪失事象に基づく計算が行われた。標準型では、第一壁およびブランケットの温度は(初期調整後)極めて緩やかにしか上昇しないことが判明した。一方、低放射化型では、温度が約850 Kを超えることはない。これらの結果は、本研究で用いた特定の材料と炉出力密度に依存するものではあるが、核融合安全における完全受動的安全アプローチの開発にとって有望な兆候を示している。

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