Journal
RELIABILITY ENGINEERING & SYSTEM SAFETY
Volume 154, Issue -, Pages 60-72Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.ress.2016.05.009
Keywords
Natech; Major accident hazard; Lightning; Quantitative Risk Assessment; Lightning protection
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Lightning is one of the most frequent accident causes in storage tank parks, and accidents triggered by lightning are the most frequent Natech event reported in past-accident analysis. In the present study, a methodology for the inclusion of accidents triggered by lightning in Quantitative Risk Assessment (QRA) was developed. A model for the assessment of lightning impact probability on process equipment and specific equipment vulnerability models were coupled to dedicated event trees, allowing the quantification of risk indexes. The methodology developed also allows the assessment of risk reduction by the implementation of different lightning protection strategies. The results obtained represent a step forward towards the introduction of risk-based design of lightning protection systems. (C) 2016 Elsevier Ltd. All rights reserved.
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