高大空间建筑自动喷水灭火技术试验研究
发布时间：2019-07-10 19:13
【摘要】：为研究自动喷水灭火技术对高大空间建筑火灾控火性能的影响,按照高大空间公共建筑和厂房的实际火灾场景,开展自动喷水灭火技术全尺寸火灾试验和数值模拟计算。选定的喷头流量系数为K-161,安装高度为18 m,喷水强度分别为20和25 L/(min·m2)。试验结果显示,在该火灾场景中,第1只喷头在点火后3~4 min动作,喷头开放数为3~4只即能成功控制火势的增长和蔓延,顶板下的最高温度为120℃,距火灾试验模型2.4 m处的最高温度为20℃。数值模拟计算与实体火试验结论基本一致,说明高大空间建筑采用自动喷水灭火系统,能达到很好的控火甚至是灭火效果。
[Abstract]:In order to study the influence of automatic sprinkler technology on fire control performance of tall space buildings, the full-scale fire test and numerical simulation calculation of automatic sprinkler technology are carried out according to the actual fire scene of large space public buildings and factory buildings. The flow coefficient of the selected sprinkler is K 鈮，
本文编号：2512824
[Abstract]:In order to study the influence of automatic sprinkler technology on fire control performance of tall space buildings, the full-scale fire test and numerical simulation calculation of automatic sprinkler technology are carried out according to the actual fire scene of large space public buildings and factory buildings. The flow coefficient of the selected sprinkler is K 鈮，
本文编号：2512824
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