隧道火灾烟气发展的模拟计算研究  

The Zone and Numerical Simulation on the Tunnel Fire

作　　者：李元洲[1] 霍然[1] 易亮[1] 史聪灵[1] 周允基[2] 

机构地区：[1]中国科学技术大学火灾科学国家重点实验室,合肥230026 [2]香港理工大学屋宇设备工程系

出　　处：《中国工程科学》2004年第2期67-72,共6页Strategic Study of CAE

基　　金：国家自然科学基金资助项目 ( 5 0 3 760 61) ;国家重点基础研究专项经费资助项目 ( 2 0 0 1CB40 960 4)

摘　　要：分析了隧道火灾的特点 ,运用区域模拟和场模拟的方法 ,通过一假定的隧道火灾算例 ,分析了几种不同情况下隧道火灾的烟气发展情况。讨论了烟气温度、高度的变化情况 ,得到了不同区段火和烟气对人构成威胁和对隧道结构造成破坏的情况 。With the development of transportation, the road and railway tunnels are more and more in the world. But great loss due to the tunnel fires happened in recent years shows that the tunnel fire safety is a problem. Realizing the characteristics of tunnel fires is very important for the tunnel fire protection. In this paper, given a tunnel, the smoke development in different situations was simulated using zone model (CFAST) with the multi cell concept and field model (FDS). The smoke temperature distribution and smoke layer interface height were discussed. And the comparisons between these two models were made. The harm of fire and smoke to people and tunnel lining at different position was also discussed.

关 键 词：隧道火灾 区域模拟 场模拟 烟气发展 

分 类 号：TU998.12[建筑科学—市政工程]