Analysis of Hydrogen Source Term and Effectiveness of Hydrogen Control in Thousand Megawatt PWR Severe Accident

ZOU Jie; TONG Lili; CAO Xuewu; GU Jian; XUE Junfeng; JIANG Yu; HAO Lulu; CHOU Suchen; LIU Li

Volume 34 Issue S1

Mar. 2025

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Article Navigation > Nuclear Power Engineering > 2013 > 34(S1): 47-50

ZOU Jie, TONG Lili, CAO Xuewu, GU Jian, XUE Junfeng, JIANG Yu, HAO Lulu, CHOU Suchen, LIU Li. Analysis of Hydrogen Source Term and Effectiveness of Hydrogen Control in Thousand Megawatt PWR Severe Accident[J]. Nuclear Power Engineering, 2013, 34(S1): 47-50.

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Analysis of Hydrogen Source Term and Effectiveness of Hydrogen Control in Thousand Megawatt PWR Severe Accident

1. School of Mechanical Engineering, Shanghai Jiao Tong University, Shanghai, 200240, China;
2. CNNC Fujian Nuclear Power Co., LTD., Fuqing, Fujian, 350318, China

Received Date: 2013-03-18
Rev Recd Date: 2013-04-21

Available Online: 2025-03-08

Abstract

Abstract

The integrated severe accident analysis model of 100 MW PWR NPP is built to analyze the hydrogen risk under severe accidents.Large break loss of coolant accident（LB-LOCA）,medium break loss of coolant accident（MB-LOCA）,small break loss of coolant accident（SB-LOCA）,station blackout（SBO）,steam generator tube rupture（SGTR） and main steam line break（MSLB） are chosen as typical severe accident sequences to analyze the hydrogen source.Considering the hydrogen quantity of 100% zirconium water reaction,the LB-LOCA is selected as a representative sequence to evaluate the hydrogen mitigation system.The results show that a certain number of PARs could remove hydrogen and oxygen effectively,and protect the containment integrity against hydrogen de agration or detonation.
- Severe accident,
- Hydrogen risk,
- Large dry containment,
- PARs

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