|本期目录/Table of Contents|

[1]张亦昕,李炎锋,张仁,等.不同地铁车站吊顶形式对火灾烟气扩散的影响[J].中国安全生产科学技术,2016,12(1):117-121.[doi:10.11731/j.issn.1673-193x.2016.01.022]
 ZHANG Yixin,LI Yanfeng,ZHANG Ren,et al.Influence of different forms of suspended ceiling on smoke diffusion of fire in a subway station[J].JOURNAL OF SAFETY SCIENCE AND TECHNOLOGY,2016,12(1):117-121.[doi:10.11731/j.issn.1673-193x.2016.01.022]
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不同地铁车站吊顶形式对火灾烟气扩散的影响
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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1期
页码:
117-121
栏目:
现代职业安全卫生管理与技术
出版日期:
2016-01-30

文章信息/Info

Title:
Influence of different forms of suspended ceiling on smoke diffusion of fire in a subway station
文章编号:
1673-193X(2016)-01-0117-05
作者:
张亦昕1李炎锋1张仁1王奕然2刘垚2侯昱晟1
(1. 北京工业大学,北京 100124;2. 北京城建设计发展集团股份有限公司,北京 100037)
Author(s):
ZHANG Yixin1 LI Yanfeng1 ZHANG Ren1 WANG Yiran2 LIU Yao2 HOU Yusheng1
(1. Beijing University of Technology, Beijing 100124, China; 2. Beijing Urban Construction Design & Development Group Co. Ltd, Beijing 100037, China)
关键词:
格栅吊顶烟气控制地铁车站火灾
Keywords:
grid ceiling smoke control subway station fire
分类号:
X932
DOI:
10.11731/j.issn.1673-193x.2016.01.022
文献标志码:
A
摘要:
针对实吊顶以及镂空率格栅吊顶装修形式的典型地铁车站站厅,采用大涡模拟的方法计算出不同镂空率吊顶在不同火源功率下的烟气层高度,分析评估镂空吊顶对烟气层沉降和温度分布。研究结果表明,火灾发生360 s内,格栅吊顶的蓄烟作用有助于将烟气层维持在安全高度,且随着镂空率增加维持烟气层在安全高度的效果越明显。但是镂空吊顶上方由于烟气温度较高,容易对吊顶内的各类设备产生危害。
Abstract:
Aiming at the typical hall of subway station with decoration forms of solid ceiling and grid ceiling, the smoke layer heights of ceilings with different hollow rate under different fire source power were calculated by using the large eddy simulation method, and the influence of hollow ceiling on smoke layer settlement and temperature distribution. The results showed that in a time period of 360 s after the occurrence of fire, the smoke storage effect of grid ceiling contributed to keep the smoke layer in a safe height, and the effect was more obvious with the increase of hollow rate. However, the equipments upon the ceiling may be damaged by the accumulated high temperature smoke.

参考文献/References:

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备注/Memo

备注/Memo:
国家自然科学基金面上项目(51378040);北京市自然科学基金联合基金项目(14L00001);北京市基金项目(8132019)
更新日期/Last Update: 2016-03-01