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Nuclear Engineering and Design, 2005
Abstract This paper presents an evaluation of seismic capacity of a group of vertical U-tube type heat exchangers (HXs) with support frames to contribute to refinement of seismic capacity data for seismic Probabilistic Safety Assessment (PSA) in Japan. According to usual practice of seismic PSAs, capacity of component is represented as a log-normally
Yuichi Watanabe +2 more
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Abstract This paper presents an evaluation of seismic capacity of a group of vertical U-tube type heat exchangers (HXs) with support frames to contribute to refinement of seismic capacity data for seismic Probabilistic Safety Assessment (PSA) in Japan. According to usual practice of seismic PSAs, capacity of component is represented as a log-normally
Yuichi Watanabe +2 more
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Developing a Seismic PSA Model with RiskSpectrum
2008Seismic probabilistic safety analysis (PSA) is a tool for the assessment of risk to which complex technical systems such as nuclear power plants and their environment are exposed due to earthquakes. It has proven to be very useful tool for identifying weak points in plant’ s response to seismic events and quantifying the risk associated with them.
Vrbanić, Ivan, Sorman, Johan
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Development of systems reliability analysis code SECOM-2 for seismic PSA
Reliability Engineering & System Safety, 1998Abstract An integrated code system SECOM-2, developed at the Japan Atomic Energy Research Institute (JAERI), has the following functions for systems reliability analysis in seismic probabilistic safety assessments (PSAs): (1) calculation of component failure probability, (2) extraction of minimal cut sets (MCSs) from a given fault tree (FT), (3 ...
Tetsukuni Oikawa +5 more
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Seismic PSA Studies conducted for Japan’s Light Water Reactors
2004We have been developing analysis models for Seismic Probabilistic Safety Assessment (SPSA) of light water reactors, as one of the tools for assessing overall seismic safety of the domestic light water Nuclear Power Plants, since 1994.
Keisuke Kondo +4 more
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Journal of Volcanology and Geothermal Research, 2014
Abstract Automatic recognition of volcano-seismic events is becoming one of the most demanded features in the early warning area at continuous monitoring facilities. While human-driven cataloguing is time-consuming and often an unreliable task, an appropriate machine framework allows expert technicians to focus only on result analysis and decision ...
Cortés +10 more
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Abstract Automatic recognition of volcano-seismic events is becoming one of the most demanded features in the early warning area at continuous monitoring facilities. While human-driven cataloguing is time-consuming and often an unreliable task, an appropriate machine framework allows expert technicians to focus only on result analysis and decision ...
Cortés +10 more
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Seismic PSA Modeling of Test-Qualified Equipment
18th International Probabilistic Safety Assessment and Analysis (PSA 2023), 2023Manuel Pellissetti, Heiko Kollasko
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A proposal for safety factor estimation in seismic PSA of structure by stochastic FEM technique
Nuclear Engineering and Design, 1994Abstract The study of safety factor estimation in seismic probabilistic safety assessment has been a focus of researchers' interest for some time. Most of the papers dealt with the safety factor estimation by means of experimental knowledge or numerical analysis such as the Monte Carlo technique.
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Calculation and Analysis of Equipment Failure Probability in Seismic Psa
2023Hong JIANG, Changhong PENG
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Seismic PSA for Multi-Unit-Site
Proceedings of Annual / Fall Meetings of Atomic Energy Society of Japan, 2011TAKAHASHI, HIROMICHI +2 more
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Development of a PSA model for a generic 3 loop PWR and further modification to make it seismic.
2023This master thesis has been developed during an internship in IDOM Nuclear Services. The project starts from an internal need of the functional safety analysis team on how to perform a seismic Probabilistic Safety Assessment (PSA). The project that has been developed is focused on understanding and analyzing how an Internal Events Probabilistic Safety ...
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