Development of the success criteria analysis method for operator intervention scenarios = 운전원 개입이 요구되는 사고 시나리오의 성공기준 분석 방법론에 대한 연구

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The available time for operator which is the success criteria of manual-operated safety system is obtained from thermal-hydraulic analysis in current level 1 probabilistic safety analysis. However, performance time of emergency operating procedure should be considered on the success criteria of manual-operated safety system because operator diagnoses the accident and performs the required action following the procedure in real situation. In this dissertation, a method to analyze possible paths with probabilities and performance time distributions to perform the manual-operated safety system was developed using multi convolutions of performance time distributions for each steps and the plant condition from the thermal-hydraulic analysis. Also, a method to obtain the success criteria considering the performance time of the procedure was developed for operator intervention scenarios. In the case study, it was analyzed that how many operators can utilize the available time based on the time obtained from the thermal-hydraulic analysis for feed and bleed operation under the total loss of feed water accident, and the available time valid for more operators was suggested obtained from the method developed in this study.
Advisors
Kang, Hyun Gookresearcher강현국researcher
Description
한국과학기술원 :원자력및양자공학과,
Publisher
한국과학기술원
Issue Date
2019
Identifier
325007
Language
eng
Description

학위논문(박사) - 한국과학기술원 : 원자력및양자공학과, 2019.2,[iv, 85 p. :]

Keywords

Probabilistic safety analysis▼aoperator intervention scenario▼aemergency operating procedure▼asuccess criteria; 확률론적 안전성 분석▼a운전원 개입 시나리오▼a비상 운전 절차서▼a성공기준

URI
http://hdl.handle.net/10203/265037
Link
http://library.kaist.ac.kr/search/detail/view.do?bibCtrlNo=842180&flag=dissertation
Appears in Collection
NE-Theses_Ph.D.(박사논문)
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