|本期目录/Table of Contents|

[1]钟茂华,张磊,肖衍,等.地铁“T”形换乘车站通道火灾通风模式数值模拟研究[J].中国安全生产科学技术,2017,13(9):13-19.[doi:10.11731/j.issn.1673-193x.2017.09.002]
　ZHONG Maohua,ZHANG Lei,XIAO Yan,et al.Numerical simulation study on ventilation mode in case of corridor fire in T-shape transfer metro station[J].JOURNAL OF SAFETY SCIENCE AND TECHNOLOGY,2017,13(9):13-19.[doi:10.11731/j.issn.1673-193x.2017.09.002]
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地铁“T”形换乘车站通道火灾通风模式数值模拟研究
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《中国安全生产科学技术》[ISSN:1673-193X/CN:11-5335/TB]

卷:
13
期数:
2017年9期
页码:
13-19
栏目:
学术论著
出版日期:
2017-09-30

文章信息/Info

Title:
Numerical simulation study on ventilation mode in case of corridor fire in T-shape transfer metro station
文章编号:
1673-193X(2017)-09-0013-07
作者:
钟茂华1; 张磊2; 肖衍3; 梅棋3
（1.清华大学 工程物理系公共安全研究院，北京 100084；2.北京市轨道交通建设管理有限公司，北京 100068；3.北京市轨道交通设计研究院有限公司，北京 100068）
Author(s):
ZHONG Maohua1;  ZHANG Lei2;  XIAO Yan3;  MEI Qi3
(1. Institute of Public Safety Research, Department of Engineering Physics, Tsinghua University, Beijing 100084, China; 2. Beijing MTR Construction Administration Corporation, Beijing 100068, China; 3. Beijing Rail and Transit Design & Research Institute Co., Ltd., Beijing 100068, China)
关键词:
地铁; “T”形换乘车站; 换乘通道; 火灾; 通风模式
Keywords:
metro;  T-shape transfer station;  transfer corridor;  fire;  ventilation mode
分类号:
X932
DOI:
10.11731/j.issn.1673-193x.2017.09.002
文献标志码:
A
摘要:
为研究地铁“T”形换乘车站通道火灾时站厅不同防烟分区通风系统联动模式的烟气控制效果，采用火灾动力学软件FDS构建了换乘通道内乘客行李火灾场景，对起火通道、两侧站厅通风系统和防火门不同联动模式下的顶棚烟气温度、人眼高度及危险高度的CO浓度和能见度进行计算模拟。结果表明：关闭起火通道防火门能够将烟气控制在局部区域，但会加快通道内CO浓度上升和能见度下降的速度；各防烟分区通风系统均执行排烟动作虽然会导致烟气向两侧站厅蔓延，但危险高度的能见度始终在安全逃生的最低限值以上；烟气扩散至补风防烟分区时，新鲜空气与烟气的掺混将加快烟气沉降速度，不利于人员疏散和应急救援。
Abstract:
To investigate the smoke control effect when using the co-work mode of ventilation system in different smoke control zones in the hall of T-shape transfer metro station in case of corridor fire, the scenarios of passengers' luggage fire in the transfer corridor were built by using the fire dynamics software FDS, and the smoke temperature beneath ceiling, CO concentration and invisibility at the eye level and dangerous height under different co-work modes of ventilation system and fire-proof door in the fire corridor and the station hall on both sides were simulated. The results showed that closing the fire-proof door of the fire corridor could control the smoke in local area, but would fasten the increasing speed of CO concentration and decreasing speed of invisibility in the corridor. When the ventilation system of each smoke control zone executed the smoke exhaust action, the smoke would spread to the station hall on both sides, but the visibility at the dangerous height was always higher than the lowest limit value that permits safe escape. When the smoke diffused to the air supplement smoke control zone, the mixing of fresh air and smoke would fasten the descending speed of smoke, which is bad for the personnel evacuation and emergency rescue.

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备注/Memo

备注/Memo:
国家重点研发计划（2016YFC0802506）；国家自然科学基金项目（51425404，51674152）；国家科技支撑计划（2015BAK16B01）
更新日期/Last Update: 2017-10-12