|本期目录/Table of Contents|

[1]王明年,郭晓晗,于丽,等.空气幕对城际铁路地下车站火灾烟气控制数值分析[J].中国安全生产科学技术,2019,15(9):63-69.[doi:10.11731/j.issn.1673-193x.2019.09.010]
 WANG Mingnian,GUO Xiaohan,YU Li,et al.Numerical analysis on influence of air curtain on smoke control of fire in underground station of intercity railway[J].JOURNAL OF SAFETY SCIENCE AND TECHNOLOGY,2019,15(9):63-69.[doi:10.11731/j.issn.1673-193x.2019.09.010]
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空气幕对城际铁路地下车站火灾烟气控制数值分析
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《中国安全生产科学技术》[ISSN:1673-193X/CN:11-5335/TB]

卷:
15
期数:
2019年9期
页码:
63-69
栏目:
职业安全卫生管理与技术
出版日期:
2019-09-30

文章信息/Info

Title:
Numerical analysis on influence of air curtain on smoke control of fire in underground station of intercity railway
文章编号:
1673-193X(2019)-09-0063-07
作者:
王明年12郭晓晗12于丽12田源12
(1.西南交通大学 土木工程学院,四川 成都 610031;
2.西南交通大学 交通隧道工程教育部重点实验室,四川 成都 610031)
Author(s):
WANG Mingnian12 GUO Xiaohan12 YU Li12 TIAN Yuan12
(1.School of Civil Engineering,Southwest Jiaotong University,Chengdu Sichuan 610031,China;
2.Key Laboratory of Transportation Tunnel Engineering of Ministry of Education,Southwest Jiaotong University,Chengdu Sichuan 610031,China)
关键词:
城际铁路地下车站烟气控制FDS空气幕射流参数
Keywords:
underground station of intercity railway smoke control Fire Dynamics Simulator (FDS) air curtain jet parameter
分类号:
X951; TU921
DOI:
10.11731/j.issn.1673-193x.2019.09.010
文献标志码:
A
摘要:
为将空气幕作为城际铁路地下车站控烟措施提供理论依据,进而为地下车站防灾控烟设计提供新思路,以某典型城际铁路地下车站岛式站台层为依托,采用火灾动力学三维模拟软件FDS建立全尺寸火灾模型,对比单吹式、吹吸式空气幕布置于站台与轨行区间时楼梯及站台处温度及可见度分布规律,并分别对单吹式、吹吸式空气幕的射流风速、射流角度进行了参数优化研究。结果表明:单吹式、吹吸式空气幕均可保证火灾下楼梯区域可见度和温度的安全性要求;单吹式在射流风速为12 m/s且射流角度为10°时,吹吸式在射流风速为8 m/s时,防烟效果良好且趋于稳定;采用单吹式的最小站台危险区域较吹吸式长15 m,建议在城际铁路地下车站中选用吹吸式空气幕。
Abstract:
In order to provide theoretical basis for using the air curtain as the smoke control measure in the underground station of intercity railway,thus provide a new idea for the hazard prevention and smoke control design of underground station,taking a typical island platform in the underground station of a intercity railway as the background,a fullscale fire model was established by using the threedimension simulation software Fire Dynamics Simulator (FDS).The diffusion laws of temperature and visibility at the stairs and platform when the singleblowing air curtain and blowdraw air curtain was laid between platform and track area respectively were compared,and the parameters optimization was conducted on the jet wind velocity and jet angle of singleblowing air curtain and blowdraw air curtain respectively.The results showed that both the singleblowing air curtain and blowdraw air curtain could ensure the safety requirements of visibility and temperature in the stairs area during the fire.When the jet wind velocity was 12 m/s and the jet angle was 10° with the singleblowing air curtain,and when the jet wind velocity was 8 m/s with the blowdraw air curtain,the effect of smoke prevention was good and tended to be stable.The minimum hazardous area of platform with the singleblowing air curtain was 15 m longer than that with the blowdraw air curtain,so the blowdraw air curtain was recommended to be used in the underground station of intercity railway.

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备注/Memo

备注/Memo:
收稿日期: 2019-04-21
* 基金项目: 西藏自治区重大科技项目(XZ201801-GB-07);四川省科技计划项目(2018JY0566);中国铁路总公司科技研究开发计划项目(K2018G012)
作者简介: 王明年,博士,教授,主要研究方向为隧道及地下工程防灾救援。
通信作者: 于丽,博士,副教授,主要研究方向为隧道及地下工程防灾救援。
更新日期/Last Update: 2019-10-15