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Risk assessment for fire safety considering characteristic evacuees and smoke movement in marine fires
Authors:Nobuyoshi Fukuchi  Teruyuki Imamura
Institution:(1) Department of Marine Systems Engineering, Faculty of Engineering, Kyushu University, 6-10-1 Hakozaki, Higashi-ku, Fukuoka 812-8581, Japan
Abstract:In the safety design of marine systems, the matter of human life in the event of a marine fire must be considered. It may be difficult to establish a safe evacuation system because a characteristic behavioral pattern based on human factors is elusive. This study consists of three analyses on (1) the state of smoke diffusion, calculated by the use of a two-layer zone model, (2) evacuation movements, simulated by a group behavioral model, and considering the occurrence of panic and the smoke spreading phase, and (3) the risk index for safety assessment using the results of smoke diffusion and escape movements. This risk index can be used for comparisons between various safety systems, and its validity is confirmed by an evacuation model of common spaces on a typical cruise ship.
Keywords:Risk assessment  Fire safety  Psychological model  Smoke diffusion  Escape simulation  Risk index
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