Abstract
논문에서는 방화셔터와 피난계단이 존재하는 실내 환경의 화재 시뮬레이션을 실시하여 방화셔터와 화재 확산 사이의 관계를 분석하였다. 화재 시뮬레이션용 상용 소프트웨어인 FDS(Fire Dynamics Simulator)를 사용하여 가상으로 설정한 실내 로비에서 화재 규모와 방화셔터의 개폐 여부를 변화시켜 가면서 모의실험을 실시하였다. 실험을 통해 화재실 벽면과 계단 입구의 온도 변화, 이산화탄소 농도 변화, 연기의 확산 등의 변수들을 구하고 결과를 검토하였다. 피난계단에서 온도와 이산화탄소의 분포는 화재규모와 개구부의 개폐 여부와 별 상관이 없으나, 방화셔터의 부분 하강이 연기의 확산을 막고 있음을 알 수 있었다. This paper analyzes the relation between fire shutters and fire spread by conducting fire simulation on inner space with fire shutters. Using Fire Dynamics Simulator (FDS), a commercial fire simulation software, the simulation is done on an ideal inner robby, where fire size and the open/close of fire shutters are varied. Our simulation environment can derive significant fire parameters such as temperature variation of fire room walls and entrances of refuge stairs, variation of carbon dioxide, and soot spread. According to the simulation results, temperature and carbon dioxide distribution in refuge stairs have little dependence on vent open or close, but the part close of fire shutters blocks soot inflow to refuge stairs.
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