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논문 기본 정보

자료유형
학술저널
저자정보
Belal Almomani (한국과학기술원) 김태용 (경희대학교) 장윤석 (경희대학교)
저널정보
한국원자력학회 Nuclear Engineering and Technology Nuclear Engineering and Technology 제54권 제4호
발행연도
2022.4
수록면
1,394 - 1,405 (12page)
DOI
https://doi.org/10.1016/j.net.2021.10.027

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The importance of ensuring the inherent safety and security has been more emphasized in recent yearsto demonstrate the integrity of nuclear facilities under external human-induced events (e.g. aircraftcrashes). This work suggests a simulation methodology to effectively evaluate the impact of a commercialaircraft engine onto a dry storage facility. A full-scale engine model was developed and verified by Rieraforce-time history analysis. A reinforced concrete (RC) structure of a dry storage facility was alsodeveloped and material behavior of concrete was incorporated using three constitutive models namely:Continuous Surface Cap, Winfrith, and Karagozian & Case for comparison. Strain-based erosion limits forconcrete were suitably defined and the local responses were then compared and analyzed with empiricalformulas according to variations in impact velocity. The proposed methodology reasonably predictedsuch local damage modes of RC structure from the engine missile, and the analysis results agreed wellwith the calculations of empirical formulas. This research is expected to be helpful in reviewing the drystorage facility design and in the probabilistic risk assessment considering diverse impact scenarios.

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