双岛式地下车站自然通风条件下火灾特性研究  

A Research on Fire Characteristics of the Underground Station Under the Condition of Natural Ventilation

作　　者：曾惜[1] 毕海权[1] 刘凯[1] 王晓亮[1] 

机构地区：[1]西南交通大学机械工程学院,成都610031

出　　处：《制冷与空调（四川）》2015年第6期607-611,共5页Refrigeration and Air Conditioning

基　　金：国家自然科学基金资助项目(51078315);中央高校基本科研业务专项资金项目(SWJTU11CX019)

摘　　要：基于大涡模拟方法,采用FDS火灾模拟软件,对地下车站自然通风条件下列车着火时站内火灾特性进行了数值计算研究,分别得到敞开式与安全门式两种车站结构站台温度分布规律。结果表明:安全门式站台温度满足规范要求,敞开式站台温度超过规定值60℃。针对敞开式站台温度过高,通过设置挡烟垂壁对防火方案进行了优化计算。Based on the large eddy simulation method, with FDS fire simulation software, it is discussed about a research on fire characteristics of the underground station under the condition of natural ventilation, and gets the distribution of temperature when the train at different platform location catches fire under two platform forms of with and without platform bailout door, The results showed that： the temperature of platform with bailout door meets requirements, temperature of open platform exceeds the specified value 60℃. Finally the fire prevention is also optimized by calculation.

关 键 词：火灾特性 自然通风 双岛式站台 数值模拟 

分 类 号：TU83[建筑科学—供热、供燃气、通风及空调工程]