|本期目录/Table of Contents|

[1]许小磊,何嘉鹏,周汝,等.排烟口布置方式对高层建筑火灾排烟效果的影响*[J].中国安全生产科学技术,2009,5(5):18-22.
　XU Xiao lei,HE Jia peng,ZHOU Ru,et al.Smoke exhaust effect by different arrangement methods of smoke vent in highrise building fires[J].Journal of Safety Science and Technology,2009,5(5):18-22.
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排烟口布置方式对高层建筑火灾排烟效果的影响*()

《中国安全生产科学技术》[ISSN:1673-193X/CN:11-5335/TB]

卷:
5
期数:
2009年5
页码:
18-22
栏目:
出版日期:
2009-10-31

文章信息/Info

Title:
Smoke exhaust effect by different arrangement methods of smoke vent in highrise building fires
文章编号:
1673-193X(2009)-05-0018-05
作者:
许小磊1; 2; 何嘉鹏1; 2; 周汝1; 2; 靖成银3
1.南京工业大学城市建设与安全工程学院2.江苏省城市与工业安全重点实验室3.浙江省消防总队
Author(s):
XU Xiaolei1; 2;  HE Jiapeng1; 2;  ZHOU Ru1; 2;  JING Chengyin3
1.School of Urban Construction and Safety Engineering 2.Jiangsu Key Laboratory of Urban and Industry Safety 3.Zhejiang General Fire Brigade
关键词:
高层建筑; 火灾; 数值模拟; 排烟口; 排烟效率
Keywords:
highrise building;  fire;  numerical simulation;  smoke vent;  smoke exhaust efficiency
分类号:
X96
DOI:
-
文献标志码:
A
摘要:
高层建筑发生火灾时，烟气对人员的生命安全有着非常大的威胁，因此有效地控制烟气在建筑物内的扩散对于人员的逃生是非常重要的。通过高层建筑内烟气流动的数学模型，采用kε两方程三维紊流模型对高层建筑火灾时排烟口布置于走廊顶棚和走廊侧壁时的机械排烟进行模拟。结果表明，排烟口的布置方式不同对排烟效果的影响很大。排烟口置于顶棚时比排烟口置于侧壁时排烟效率高近10%，走廊内危险性低。在进行排烟设计时应优先考虑将排烟口设置在走廊顶部。
Abstract:
In highrise building fires, smoke has great threat to peoples life security in the building. So, it is very important to control the diffusion of smoke in the building. Mathematic model of smoke flow in highrise building and threedimension turbulence model with two equations were used to simulate the efficiencies of mechanical smoke exhaust on different arrangement methods of smoke vent. The results showed that different arrangement methods of smoke vent have great influence on smoke exhaust effect. Compared with the method that set smoke vent on the side wall of the corridor, when smoke vent is set on the top of the corridor, the efficiency of mechanical smoke exhaust was about 10% higher, and had a low risk in the corridor. While designing smoke exhaust system, setting smoke vent on the top of the corridor is a prior consideration.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期：2009-07-16作者简介：许小磊(1985-)，男，硕士研究生。*基金项目：江苏省自然科学基金项目（编号：BK2008 369）
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