所属单位：

建筑设备科学与工程学院

发表刊物：

Safety Science

关键字：

中文关键字：隧道疏散通道；火灾；烟气；空气幕通风；地铁隧道，英文关键字：Tunnel evacuation passageway; Fire; Smoke; Air cur

摘要：

Subway tunnel fires often result in catastrophes and heavy casualties. To help people evacuate from a tunnel fire, an opposite-double air curtain ventilation assisted tunnel evacuation system (OTES) is introduced. It can be used to create a safe evacuation passageway that is free of smoke through out the length of the tunnel. The performance of the OTES is compared with that of the traditional ventilation systems: longitudinal ventilation and natural ventilation. The effect of the heat release rate, fire source location, and fire detection time are also discussed. This study also shows that compared with natural ventilation and longitudinal ventilation, the carbon monoxide, CO, concentration with OTES is significantly lower. Given the same HRR, the CO concentration values with OTES are only 0.58–2.41% of natural ventilation or 0.52–3.12% of longitudinal ventilation at the back end of the tunnel. An obviously clear evacuation passageway is created by OTES. The effects of changes in fire source location and fire detection time on tunnel ventilation are tested. Also the effect of these changes on the formation of an evacuation passageway by OTES is reported.

备注：

李安桂

合写作者：

雷文君等

第一作者：

李安桂[重名-待确认],高然

论文类型：

期刊论文

卷号：

卷：50

期号：

期：7

页面范围：

页：1549-1557

是否译文：

否

发表时间：

2012-08-01