Quantitative Risk Assessment for Aerospace Facility According to Windrose

Hee Jin Kim, Kyeong Min Jang, In Seok Yeo, Hwa Young Oh, Sun Il Kang and Eun Sang Jung
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Hee Jin Kim: Department of Bioenvironmental Energy, Pusan National University, Miryang 50463, Korea
Kyeong Min Jang: Department of Bioenvironmental Energy, Pusan National University, Miryang 50463, Korea
In Seok Yeo: Launcher Complex Development Team, Korea Aerospace Research Institute, Daejeon 34133, Korea
Hwa Young Oh: Launcher Complex Development Team, Korea Aerospace Research Institute, Daejeon 34133, Korea
Sun Il Kang: Launcher Complex Development Team, Korea Aerospace Research Institute, Daejeon 34133, Korea
Eun Sang Jung: Department of Bioenvironmental Energy, Pusan National University, Miryang 50463, Korea

Energies, 2021, vol. 15, issue 1, 1-20

Abstract: Wind direction and speed are the most important factors that determine the degree of damage caused by a jet fire. In this study, the metal hose used to extract/supply fuel was identified as the component with the highest risk for a jet fire occurring at an aerospace facility. A risk assessment was performed to evaluate the individual risk of a jet fire from the metal hose according to the wind direction and speed. HSE failure data was applied for calculating the jet fire probability including metal hose failure, ignition frequency, and jet fire frequency. Which was 3.0 × 10 −4 . The individual risk of different fatality probabilities was calculated according to the wind rose data for the aerospace facility. The individual risk from jet fire in the aerospace facility was calculated with a maximum risk of 3.35 × 10 −5 and a minimum risk of 1.49 × 10 −6 . The individual risk satisfied HSE ALARP criteria. In addition, firewalls, extinguishing systems, and an emergency shut off system were enhanced, and it was thought that the risk from jet fire could satisfy acceptable criteria.

Keywords: individual risk; aerospace facility; fatality probability; jet fire; kerosene atomization; wind direction and speed (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2021
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