|本期目录/Table of Contents|

[1]李建,史聪灵,陈长坤,等.地下岛式地铁站台火灾时全封闭屏蔽门开启模式研究[J].中国安全生产科学技术,2016,12(11):114-119.[doi:10.11731/j.issn.1673-193x.2016.11.019]
 LI Jian,SHI Congling,CHEN Changkun,et al.Study on switch modes of fully enclosed platform screen doors during fire in underground railway island-type platform[J].JOURNAL OF SAFETY SCIENCE AND TECHNOLOGY,2016,12(11):114-119.[doi:10.11731/j.issn.1673-193x.2016.11.019]
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地下岛式地铁站台火灾时全封闭屏蔽门开启模式研究
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《中国安全生产科学技术》[ISSN:1673-193X/CN:11-5335/TB]

卷:
12
期数:
2016年11期
页码:
114-119
栏目:
现代职业安全卫生管理与技术
出版日期:
2016-11-30

文章信息/Info

Title:
Study on switch modes of fully enclosed platform screen doors during fire in underground railway island-type platform
文章编号:
1673-193X(2016)-11-0114-06
作者:
李建12史聪灵1陈长坤2胥旋1
(1.中国安全生产科学研究院 地铁火灾与客流疏运安全北京市重点实验室,北京 100012;2.中南大学 防灾科学与安全技术研究所,湖南 长沙 410075)
Author(s):
LI Jian1 SHI Congling1 CHEN Changkun2 XU Xuan1
(1. Beijing Key Laboratory of Metro Fire and Passenger Transportation Safety, China Academy of Safety Science and Technology, Beijing 100012, China; 2. Institute of Disaster Prevention Science and Safety Technology, Central South University, Ch
关键词:
地下岛式站台火灾全封闭屏蔽门 开启模式
Keywords:
underground island-type platform fire fully enclosed platform screen doors switch mode
分类号:
X932
DOI:
10.11731/j.issn.1673-193x.2016.11.019
文献标志码:
A
摘要:
为研究4种屏蔽门开启模式下地下岛式站台火灾时排烟效果,本文采用大涡模拟进行计算,研究的开启模式包括开启两侧共4个端门、开启两侧首尾活动门及中间活动门和开启一侧所有活动门、开启两侧所有活动门。着重研究站台危险高度和楼扶梯口处烟气温度、CO浓度、可见度以及顶棚烟气温度。研究发现火灾发展阶段开启两侧屏蔽门首尾及中间活动门的排烟效果最好,火灾稳定阶段开启一侧所有活动门排烟效率较高,开启两侧所有活动门虽然能够加大烟气流出开口,但是排烟效果最差。
Abstract:
The large eddy simulation was applied for calculation to investigate the smoke exhaust effect during fire in underground island-type platform under four different switch modes of platform screen doors, which include opening four end doors at both sides, opening the head and tail trapdoors at both sides and middle trapdoors, opening all the trapdoors at one side, and opening all the trapdoors at both sides. The smoke temperature, CO concentration and visibility at dangerous height of platform and stair head were studied with emphasis, as well as the smoke temperature at ceiling. The results showed that in fire development stage, the smoke exhaust effect was the best when opening the head and tail trapdoors at both sides and middle trapdoors, while in fire stable stage, the smoke exhaust efficiency was the highest when opening all the trapdoors at one side. When opening all the trapdoors at both sides, although the smoke flow openings can be enlarged, the smoke exhaust effect was the worst.

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备注/Memo

备注/Memo:
国家自然科学基金项目(51622403、51274176、51576212);十三五国家重点研发计划项目(2016YFC0802505);中国安全生产科学研究院基本科研业务费专项项目(2016JBKY04、2016JBKY19、2016JBKY20)
更新日期/Last Update: 2017-01-04