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Quantitative assessment of severe accident management strategies in a nuclear power plant

Title
Quantitative assessment of severe accident management strategies in a nuclear power plant
Author
제무성
Keywords
Probabilistic safety assessment; containment-filtered venting system; quantitative safety impact; severe accident; containment failure
Issue Date
2018-01
Publisher
TAYLOR & FRANCIS LTD
Citation
JOURNAL OF NUCLEAR SCIENCE AND TECHNOLOGY, v. 55, no. 7, page. 691-702
Abstract
Nuclear power plants in Korea are preparing improvement countermeasures for severe accidents including mobile gas turbine generators, passive autocatalytic recombiners, containment-filtered venting systems, and external injection using portable pumps. However, these improvement countermeasures have only been determined by expert judgment, and detailed validation of their effects has not been performed. In this paper, the quantitative safety impact of these improvement countermeasures was evaluated for the Westinghouse 3-loop pressurized water reactor. Our evaluation of four improvement countermeasures using the at-power internal event probabilistic safety assessment models revealed that all containment failure modes have positive effects, except for the containment isolation failure and the containment bypass. Therefore, post-Fukushima action plans for coping with a severe accident in Korea have been appropriately evaluated and established.
URI
https://www.tandfonline.com/doi/full/10.1080/00223131.2018.1428123https://repository.hanyang.ac.kr/handle/20.500.11754/116974
ISSN
0022-3131; 1881-1248
DOI
10.1080/00223131.2018.1428123
Appears in Collections:
COLLEGE OF ENGINEERING[S](공과대학) > NUCLEAR ENGINEERING(원자력공학과) > Articles
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