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김상진(S.J. Kim),서정관(S.K. Seo),김봉주(B.J. Kim),백점기(J.K. Paik),Jerzy Czujko(J. Czujko) 한국전산유체공학회 2014 한국전산유체공학회 학술대회논문집 Vol.2014 No.11
The explosion and fire events on offshore platforms are major accidents. They makes most serious damage to human, structure, and environment. Definition of explosion and fire loads is key task to perform the structural analysis to predict the damage. The Korea Ship and Research Institute (KOSORI) at Pusan National University is preparing the large scale explosion test facility for definition of explosion loads. This study is first step for the design of the explosion test facility at KOSORI. The aim of this study is to investigate the explosion loads associated with the effects of congestion and confinement by using FLACS computational fluid dynamics (CFD) program.
해양플랜트 화재 사고를 고려한 Water Deluge 시스템 위치 최적화 기법 개발
이동훈(D.H. Lee),안세희(S.H. Ahn),서정관(J.K. Seo),김봉주(B.J. Kim),백점기(J.K. Paik) 한국전산유체공학회 2014 한국전산유체공학회 학술대회논문집 Vol.2014 No.11
The offshore platforms are exposed to hazards such as hydrocarbon fire and/or explosion. These hazardous accidents lead to serious consequences for the structural safety, human lives and the surrounding environment. Among these incidents, fire has an influence on structure and equipments that might lead them to secondary accidents in some cases. It is of significant to reduce fire consequences utilizing fire protection facilities as a risk control option. The water deluge system is considered as one of the effective fire risk control options for preventing catastrophic results. The aim of this study is to develop a risk-based methodology to select the optimal location of water deluge system for all possible fire scenarios on offshore platforms. A credible set of fire scenarios are identified and selected using probabilistic sampling methods. The fire consequences are numerically calculated for selected scenario by the Computational Fluid Dynamics (CFD) code. The Water Deluge Location Index (WLI) is then calculated using the frequency and consequence of fire scenarios. Then, WLI are used to prioritize the optimal locations of water deluge system. The suggested methodology can reduce uncertainties in the design procedure, and can consider the cost-effectiveness of safety design.