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A MODELING METHOD OF THE BRANCH PROBABILITY OF THE TEMPERATURE-INDUCED SGTR PHENOMENON

机译:温度引起的SGTR现象分支概率的建模方法

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The phenomenon of temperature-induced steam generator tube rupture (TI-SGTR) is a typical phenomenon in the severe accident process of nuclear power plants. The occurrence of the phenomenon may result in the radioactive material bypass the containment, causing a large radioactive release. This paper investigates modeling methods of the phenomenon of temperature-induced SGTR in level 2 PSA and presents an optimizing modeling method to calculate the probability of branching probability of TI-SGTR, aiming at improving the rationality and veracity of level 2 PSA.
机译:温度诱导的蒸汽发生器管破裂(TI-SGTR)的现象是核电站严重事故过程中的典型现象。现象的发生可能导致放射性物质绕过遏制,导致大放射性释放。本文研究了2级PSA温度诱导的SGTR现象的建模方法,并提出了一种计算TI-SGTR分支概率概率的优化建模方法,旨在提高2级PSA的合理性和真实性。

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