One quarter scale experiment device of a typical L-shape architecture structure including a burning room and an adjacent hallway is established to carry out the research.The smoke characteristics at the sampling point...One quarter scale experiment device of a typical L-shape architecture structure including a burning room and an adjacent hallway is established to carry out the research.The smoke characteristics at the sampling points below the ceiling of the burning compartment and the roof of the hallway are studied systematically to find out the effects of different ceilings on the local fire origin compartment and the smoke transportation to a remote area.A series of tests is reported and the smoke residence time,the concentration peak and the concentration build up rate are investigated as functions of the type of the ceiling.The smoke residence time,the most important factor concerning smoke toxicity,is described by a novel concept,wavelength,in this study.Furthermore,it is worth emphasizing that the PVC ceiling exhibits a phenomenon of frequent collapse during the fire developing period.The single heat action is conducted to judge the smoke and the heat effect on the fire risk.展开更多
Y2001-62804 01180082000年IEEE地球科学与遥感国际会议录,卷4=2000 IEEE international geoseience and remote sensingsymposium,Vol.4 of 7[会,英]/IEEE Geoscience andRemote Sensing Society.—IEEE,2000.—414P.(EC)本会议录共分7...Y2001-62804 01180082000年IEEE地球科学与遥感国际会议录,卷4=2000 IEEE international geoseience and remote sensingsymposium,Vol.4 of 7[会,英]/IEEE Geoscience andRemote Sensing Society.—IEEE,2000.—414P.(EC)本会议录共分7卷,本书为第4卷,收集了会上发表的135篇论文,内容涉及超光谱光学/红外遥感技术,森林监测与分类,用于教育的软件与数据集,大气中水汽,农业中的遥感应用,海洋表面风与波,雪的微波辐射学,云与降水的雷达遥感,光学遥感,烟雾特性遥感,陆地矿物探测,土壤湿度遥感,合成孔径雷达与辐射海洋特征,电磁理论应用,激光雷达测高术及地球大气层轮廓。展开更多
文摘One quarter scale experiment device of a typical L-shape architecture structure including a burning room and an adjacent hallway is established to carry out the research.The smoke characteristics at the sampling points below the ceiling of the burning compartment and the roof of the hallway are studied systematically to find out the effects of different ceilings on the local fire origin compartment and the smoke transportation to a remote area.A series of tests is reported and the smoke residence time,the concentration peak and the concentration build up rate are investigated as functions of the type of the ceiling.The smoke residence time,the most important factor concerning smoke toxicity,is described by a novel concept,wavelength,in this study.Furthermore,it is worth emphasizing that the PVC ceiling exhibits a phenomenon of frequent collapse during the fire developing period.The single heat action is conducted to judge the smoke and the heat effect on the fire risk.
文摘Y2001-62804 01180082000年IEEE地球科学与遥感国际会议录,卷4=2000 IEEE international geoseience and remote sensingsymposium,Vol.4 of 7[会,英]/IEEE Geoscience andRemote Sensing Society.—IEEE,2000.—414P.(EC)本会议录共分7卷,本书为第4卷,收集了会上发表的135篇论文,内容涉及超光谱光学/红外遥感技术,森林监测与分类,用于教育的软件与数据集,大气中水汽,农业中的遥感应用,海洋表面风与波,雪的微波辐射学,云与降水的雷达遥感,光学遥感,烟雾特性遥感,陆地矿物探测,土壤湿度遥感,合成孔径雷达与辐射海洋特征,电磁理论应用,激光雷达测高术及地球大气层轮廓。
