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[1]李炎锋,付成云,李俊梅,等.城市交通隧道坡度对火灾烟气扩散影响研究[J].中国安全生产科学技术,2011,7(5):10-15.
　LI Yan-feng,FU Cheng-yun,LI Jun-mei,et al.Study on the Slope Effect on Smoke Propagation in Urban Traffic Tunnel[J].JOURNAL OF SAFETY SCIENCE AND TECHNOLOGY,2011,7(5):10-15.
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城市交通隧道坡度对火灾烟气扩散影响研究()
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《中国安全生产科学技术》[ISSN:1673-193X/CN:11-5335/TB]

卷:
7
期数:
2011年5期
页码:
10-15
栏目:
学术论著
出版日期:
2011-05-30

文章信息/Info

Title:
Study on the Slope Effect on Smoke Propagation in Urban Traffic Tunnel
文章编号:
1673-193X(2011)-05-0010-06
作者:
李炎锋; 付成云; 李俊梅; 杜修力
北京工业大学建筑工程学院，北京? 100024
Author(s):
LI Yan-feng;  FU Cheng-yun;  LI Jun-mei;  DU Xiu-li
College of Architecture and Civil Engineering, Beijing University of Technology, Beijing ?100024, China
关键词:
城市交通隧道; 数值模拟; 烟气; 隧道坡度
Keywords:
urban traffic tunnel;  numerical simulation;  smoke;  tunnel slope
分类号:
X932
DOI:
-
文献标志码:
A
摘要:
利用大涡模拟方法研究城市交通隧道火灾自然通风下烟气的扩散规律,重点研究隧道的坡度对烟气羽流的影响。研究坡度在0-5%范围内的隧道内烟气层横向以及纵向温度场分布以及火源拱顶处最高温度随时间的变化规律,并与坡度为零的隧道火灾的烟气模拟结果进行比较。研究表明:5%坡度对烟气纵向分布影响较大,尤其在火源下游的上坡方向,烟气层沉降快。坡度使烟气最高温度点火源下游偏移,但最高温度值变化不大。研究结果对于研究城市交通隧道的消防设计以及人员疏散提供参考。
Abstract:
The smoke propagation in an urban traffic tunnel fire under natural ventilation is studied by large eddy simulation(LES). The tunnel slope effect on smoke propagation is emphasized. For a tunnel with slopes range from 0～ 5% slope, the transverse and longitudinal temperature distributions of smoke layer, the highest temperature on tunnel ceiling are computed. These numerical results are compared with corresponding horizontal tunnel. It has been found that the slope has a great effect on smoke temperature along longitudinal direction. Especially in the ascending part downstream of fire source, smoke layer descends more quickly to a safety height. The highest temperature position under tunnel ceiling departures from the point of fire source on the descending side. But the highest temperature of 5% slope does not vary greatly as compared to horizontal tunnel. ?These results can provide reference on fire protection design of urban traffic tunnel.

参考文献/References:

[1]Hacck A. Fire Protection in Traffic Tunnels: General Aspects and Results of the EUREKA Project[J]. Tunnelling and Underground Space Technology, Vol. 13, No. 4, pp. 377-381.1998[2]Bari S., Naser J., Simulation of smoke from a burning vehicle and pollution caused by traffic jam in a road tunnel[J]. Tunnelling and Underground Space Technology. 2005 Vol.20,pp 281-290. [3] 胡隆华.隧道火灾烟气蔓延的热物理特性研究[D].中国科学技术大学博士论文,2006.4Hu Long-hua. Study on thermal physics of smoke movement in tunnel fires. Ph.D thesis University of Science and Technology of China. 2006.04.[4]王彦富、蒋军成、 龚延风、钟星灿、茅靳丰. 全尺寸隧道火灾实验研究与烟气逆流距离的理论预测[J].中国安全科学学报，2007, Vol. 17,pp37－41.Wang Yan-fu, Jiang Jun-cheng,　Gong Yan-feng,　Zhong Xing-can,　Mao jin-feng. Test research of full-scale tunnel fire and theoretical prediction on the distance of smoke regressing[J]. China Safety Science Journal, 2007, Vol.7, pp37-41. [5]李开源、霍然、刘洋. 隧道火灾纵向通风下羽流触顶区温度变化研究.安全与环境学报,2006 , Vol.16,pp38-41.Li Kai-yuan, Huo Ran, Liu Yang. On temperature change of tunnel top plume in a longitudinal ventilation[J].Journal of Safety and Environment, 2006, Vol.6,No.3, pp38-41.[6] Wu Y. &. Bakar M.Z.A. Control of smoke flow in tunnel fires using longitudinal ventilation systems a study of the critical velocity[J]. Fire Safety Journal,2000, Vol.35, pp 363-390.[7] Atkinson G. T & Wu Y. Smoke control in sloping tunnels[J]. Fire Safety Journal. 1996, Vol.27, pp 335-341[8] Ballesteros T. R, Carlos S.M & Eduardo B. M. Influence of the slope in the ventilation semi-transversal system of an urban tunnel[J]. Tunnelling and Underground Space Technology, 2006,Vol.21, pp 21-28[9] 李博、姜蓬.隧道火灾中火羽流特性的数值模拟.消防科学与技术，2007,Vol.26, No.6,pp599－603LI Bo,JIANG Peng. Numerical simulation based research on plume characters of tunnel fire[J]. Fire Science and Technology, 2007,Vol.26, No.6,pp599－603[10] MCGRATTAN K B, BAUM H R, REHM R G, et a1．Fire dynamics simulator(Version4)-technical reference guide[R]．NISTIR6783, 2003．[11] SMAGORINSKY J. General circulation experiments with the primitive equations．I．The basic experiment[J]．Monthly Weather Review, 1963，pp91-99.作者简介：李炎锋，男，1971年9月出生，河南新密人，博士，教授，北京工业大学建筑工程学院副院长，主要从事建筑火灾安全方面的研究。

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备注/Memo

备注/Memo:
收稿日期：2011-01-16
作者简介：李炎锋，博士，教授
基金项目：“十一五”国家科技支撑计划项目（编号：2006BAJ27B04）；国家自然科学基金项目（编号：50878012）资助
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