3512 高速炉冷却材バウンダリの事故時における機械的挙動に関する研究 : 確率論的安全評価(PSA)で用いるバウンダリ健全性判断条件(S49-1 安全,材料,原子炉用機器,S49 原子炉システムおよびその要素技術)
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概要
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The objective of this study is to investigate the integrity criteria for coolant boundary structures of sodium cooled fast breeder reactors (FBRs) during the typical severe accident such as a protected loss of heat sink (PLOHS) from the viewpoint of the probabilistic safety assessment (PSA). It was found that the integrity criteria for the FBR coolant boundary "700℃ with 1000 hours and 750℃ with 100 hours" would be suitable based on the structural analysis with elasticity and plasticity under the PLOHS conditions for the temperature and pressure given by the plant dynamics analyses.
- 2005-09-18