C226 海外の過酷事故対策の取り組みとフィルター付ベント(OS8 軽水炉・新型炉・原子力安全)

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  • C226 Advances in Countermeasures for Severe Accidents in the US and Europe with Filtered Containment Venting System and Tsunami Protection

抄録

Fukushima Daiichi NPP accident would be terminated, if sufficient examination leads to install countermeasures, such as water proof door, mobile power, etc. In case of US, Diablo Canyon NPP in Florida, they have a water proof hatch type door and snorkel piping for the seawater pump motor. In case of Europe, it had already installed the heat removal system and filtered containment venting system from the lessons of TMI and Chernobyl Accidents. Decay heat removal system and CV spray cooling system with FCVS are ensured by using mobile generators and heat exchangers to keep the ultimate heat sink even in any natural disaster, such as large earthquake, big tsunami, sudden flooding etc. In this paper we introduce such technology and fundamental test for the filtered venting system, conducted by Hokkaido University.

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