The Analysis of Effectiveness of BWR/6 URG Strategies

Ting Yi Wang; Yu Ting Hsu; Shao Wen Chen; Jong Rong Wang; Chun Kuan Shih; Show Chyuan Chiang; Tzu Yao Yu

doi:10.4028/www.scientific.net/AMM.865.701

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 865The Analysis of Effectiveness of BWR/6 URG...

The Analysis of Effectiveness of BWR/6 URG Strategies

Abstract:

After the Fukushima Daichii accidents, Taiwan Power Company developed a strategy to cope with such extended SBO (Station Blackout) cases at nuclear power plants, which called URG. The MAAP and PCTRAN were used to perform the study for Kuosheng BWR/6 nuclear power plant (NPP) ultimate response guideline (URG). The main actions of URG are the depressurization and low pressure water injection of the reactor and the venting of the containment. This study focuses to confirm the URG efficiency. The analysis results depict that following the URG, the fuel can be covered by the coolant, no exposure. It can also prevent the radiation release and the large evacuation. It indicated that Kuosheng NPP was at the safe situation. It shows that the two-step depressurizations can extend the time of the preparation of alternate water source. The minimum injection rate to prevent the fuel to expose is 192 gpm in MAAP.

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Periodical:

Applied Mechanics and Materials (Volume 865)

Pages:

701-706

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.865.701

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Online since:

June 2017

Authors:

Ting Yi Wang*, Yu Ting Hsu, Shao Wen Chen, Jong Rong Wang, Chun Kuan Shih, Show Chyuan Chiang, Tzu Yao Yu

Keywords:

MAAP, Nuclear Power Plant, PCTRAN, Severe Accident, URG

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* - Corresponding Author

References

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