广州某地铁火灾烟雾模拟

Smoke simulation of a subway fire in Guangzhou

以广州某地铁站为背景,介绍了该地铁内部结构,并对该地铁进行了防排烟系统的设计。使用FDS模拟软件,建立了广州某地铁站的模型,并且将地铁站台划分了几个不同区域分别进行模拟对数据进行规划采集。根据广州地铁的建筑结构以及排烟系统方式,在FDS软件中分别设置了两种不同的排烟模式,研究了挡烟垂壁的存在对于地铁火灾烟气控制的影响。

Taking a subway station in Guangzhou as the background,this paper introduces the internal structure of the subway,and designs the smoke control system for the subway. Using FDS simulation software,the model of a subway station in Guangzhou is set up,and the subway platform is divided into several different regions to simulate and collect the data. According to the architectural structure of Guangzhou subway and the way of smoke exhaust system,two different smoke exhaust modes are set up in the FDS software,and the influence of the existence of the vertical wall of the smoke on the smoke control of the subway fire is studied.