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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2017.1
- 수록면
- 360 - 372 (13page)
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초록· 키워드
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Many advanced reactor designs rely on passive systems to fulfill safety functions duringaccident sequences. These systems depend heavily on boundary conditions to induce amotive force, meaning the system can fail to operate as intended because of deviations inboundary conditions, rather than as the result of physical failures. Furthermore, passivesystems may operate in intermediate or degraded modes. These factors make passivesystem operation difficult to characterize within a traditional probabilistic framework thatonly recognizes discrete operating modes and does not allow for the explicit considerationof time-dependent boundary conditions. Argonne National Laboratory has been examiningvarious methodologies for assessing passive system reliability within a probabilistic riskassessment for a station blackout event at an advanced small modular reactor. This paperprovides an overview of a passive system reliability demonstration analysis for an externalevent. Considering an earthquake with the possibility of site flooding, the analysis focuseson the behavior of the passive Reactor Cavity Cooling System following potential physicaldamage and system flooding. The assessment approach seeks to combine mechanistic andsimulation-based methods to leverage the benefits of the simulation-based approachwithout the need to substantially deviate from conventional probabilistic risk assessmenttechniques. Although this study is presented as only an example analysis, the resultsappear to demonstrate a high level of reliability of the Reactor Cavity Cooling System (andthe reactor system in general) for the postulated transient event.
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참고문헌 (12)
참고문헌 신청
A. J. Brunett / 2015 / A passive system reliability analysis for a station blackout / Proceedings of ICAPP 2015
D. Grabaskas / 2015 / Quantifying safety margin using the Risk-Informed Safety Margin Characterization (RISMC) / Proceedings of PSA 2015
G. Apostolakis / 2012 / A Proposed Risk Management Regulatory Framework
General Electric / 1987 / PRISM Preliminary Safety Information Document, GEFR-00793, UC-87Ta
Idaho National Laboratory / 2011 / Systems Analysis Programs for Hands-on Integrated Reliability Evaluations (SAPHIRE)Version 8: User's Guide
D. Grabaskas / 2015 / Quantifying safety margin using the Risk-Informed Safety Margin Characterization (RISMC) / Proceedings of PSA 2015
G. Apostolakis / 2012 / A Proposed Risk Management Regulatory Framework
General Electric / 1987 / PRISM Preliminary Safety Information Document, GEFR-00793, UC-87Ta
Idaho National Laboratory / 2011 / Systems Analysis Programs for Hands-on Integrated Reliability Evaluations (SAPHIRE)Version 8: User's Guide
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