A study on importance measures and a quantification algorithm in a fire PRA model

Kilyoo Kim and Sanghoon Han

Reliability Engineering and System Safety, 2009, vol. 94, issue 5, 969-972

Abstract: In the current quantification of fire probabilistic risk assessment (PRA), when components are damaged by a fire, the basic event values of the components become ‘true’ or one (1), which removes the basic events related to the components from the minimal cut sets, and which makes it difficult to calculate accurate component importance measures. A new method to accurately calculate an importance measure such as Fussell–Vesely in fire PRA is introduced in this paper. Also, a new quantification algorithm in the fire PRA model is proposed to support the new calculation method of the importance measures. The effectiveness of the new method in finding the importance measures is illustrated with an example of evaluating cables’ importance.

Keywords: Importance measures; Fire PRA; Cable priority; Fussell–Vesely; Quantification algorithm (search for similar items in EconPapers)
Date: 2009
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Persistent link: https://EconPapers.repec.org/RePEc:eee:reensy:v:94:y:2009:i:5:p:969-972

DOI: 10.1016/j.ress.2008.11.002

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