CFAST软件在高层学生公寓火灾区域模拟中的应用

Application of CFAST Software in High-rise Student Apartment Fire Area Simulation

介绍高层学生公寓火灾特点及其危害性,以某大学高层学生公寓楼5斋作为研究对象,采用CFAST区域模拟软件,模拟着火时,不同区域中烟气层下降高度、上部烟气层温度、下部烟气层温度、一氧化碳浓度、氧气质量分数和上部烟气层体积随时间的变化,模拟结果分析发现:其中烟气层高度、可能对封堵在区域1和11(楼梯)疏散人员产生危害,对其他区域的疏散人员均不会有危害。并在实际工作中可以通过在楼梯中安装消防排烟设备解决区域1和11烟气对人员产生的危害。

This thesis introduces the characteristics of high-rise student apartment fire and its harmfulness through the case study of a 5-story student apartment in the university.The variation of the descending height of smoke layer,temperatures of upper and lower smoke layers,CO concentration,O 2mass fraction and volume of upper smoke layer have been simulated by using CFAST software.The simulation results show that the height of smoke layer is likely to cause harm to the evacuating people blocked in Zone 1 and Zone 11（stair）rather than those in other zones.This can be solved by installing smoke extraction equipment between stairs.