|本期目录/Table of Contents|

[1]张靖岩,王婉娣,彭伟,等.纵向风速对隧道内烟气发展影响的实验研究[J].中国安全生产科学技术,2010,6(1):17-20.
　ZHANG Jing-yan,WANG Wan-di,PENG Wei,et al.Experimental study on the effect of longitudinal ventilation on smoke development in tunnels[J].JOURNAL OF SAFETY SCIENCE AND TECHNOLOGY,2010,6(1):17-20.
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纵向风速对隧道内烟气发展影响的实验研究()
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《中国安全生产科学技术》[ISSN:1673-193X/CN:11-5335/TB]

卷:
6
期数:
2010年1
页码:
17-20
栏目:
学术论著
出版日期:
2010-02-28

文章信息/Info

Title:
Experimental study on the effect of longitudinal ventilation on smoke development in tunnels
文章编号:
1673-193X(2010)-01-0017-04
作者:
张靖岩1; 王婉娣1; 彭伟2; 霍然3; 李炎锋4
1.中国建筑科学研究院建筑防火研究所，北京 ?100013
2.安徽理工大学能源与安全学院，淮南 ?232001
3.中国科技大学火灾科学国家重点实验室，合肥 ?230027
4.北京工业大学建筑工程学院，北京 ?100124
Author(s):
ZHANG Jing-yan1;  WANG Wan-di1;  PENG Wei2;  HUO Yan3;  LI Yan-feng4
1.Institute of Building Fire Research, China Academy of Building Research, Beijing ?100013, China
2.Anhui University of Science & Technology, Huainan ?232001, China
3.State Key Laboratory of Fire Science, University of Science and Technology of China, Hefei ?230027, China
4.Beijing University of Technology, Beijing ?100124, China
关键词:
隧道; 火灾; 烟气层高度; 纵向风速
Keywords:
tunnel;  fire;  smoke layer height;  longitudinal wind speed
分类号:
X93
DOI:
-
文献标志码:
A
摘要:
通过在鹰嘴岩隧道内的现场模拟火灾试验,对不同纵向通风速率下隧道内烟气发展过程进行了研究。结果表明,纵向风速和火源大小均对烟气层沉降有重要影响。相比之下,纵向风速对烟气层沉降的影响更大;火源位置较高时,烟气层热膨胀力较大,在距离火源一定距离外仍可产生上游方向的烟气逆流;一定坡度的隧道在某种条件下可以产生"弱烟囱效应",导致烟气向下游方向的流速增加。在隧道设计中可以考虑利用这一点来增加排烟效率。
Abstract:
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参考文献/References:

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备注/Memo

备注/Memo:
收稿日期：2009-11-26
基金项目：国家自然科学基金项目（编号：50878012）；中国建筑科学研究院自筹基金项目（编号：20070111330730002）
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