HUMAN ERROR ASSESSMENTS FOR IMPLEMENTING SEVERE ACCIDENT MANAGEMENT STRATEGIES USING A DYNAMIC HRA METHOD


37th Annual CNS Conference - 2017 June 04-07

Presented at:
37th Annual CNS Conference
2017 June 04-07
Location:
Niagara Falls
Session Title:
2A2 - Reactor Safety and Licensing (III)

Authors:
S.H. Jang (Hanyang University)
M.S. Jae (Hanynag University)
  

Abstract

Human reliability analysis (HRA) is a task of analyzing human error when performing probabilistic risk assessment (PRA).  This study presents a computer code developed for quantifying the human error probability (HEP) using a dynamic HRA method.  The dynamic HRA method is based on the relationship between the concepts of the performance requirement and performance achievement.  So, HEP is calculated using the distribution of the time available to action (achievement) and the time required to recognize the situation and act accordingly (requirement).  The action associated with containment venting strategy using filtered containment venting system (FCVS) during a station blackout sequence is considered for the application.  Through this study, it is expected that the developed computer code can be a useful tool to calculate the related HEPs associated with the accident management strategy.

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