|本期目录/Table of Contents|

[1]张轩轩,万祥云,彭荣富,等.水幕与排烟系统协作下隧道火灾烟气防控研究[J].中国安全生产科学技术,2020,16(7):106-111.[doi:10.11731/j.issn.1673-193x.2020.07.017]
　ZHANG Xuanxuan,WAN Xiangyun,PENG Rongfu,et al.Research on smoke prevention and control of tunnel fire under cooperation of water curtain and smoke exhaust system[J].JOURNAL OF SAFETY SCIENCE AND TECHNOLOGY,2020,16(7):106-111.[doi:10.11731/j.issn.1673-193x.2020.07.017]
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水幕与排烟系统协作下隧道火灾烟气防控研究
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《中国安全生产科学技术》[ISSN:1673-193X/CN:11-5335/TB]

卷:
16
期数:
2020年7期
页码:
106-111
栏目:
职业安全卫生管理与技术
出版日期:
2020-07-30

文章信息/Info

Title:
Research on smoke prevention and control of tunnel fire under cooperation of water curtain and smoke exhaust system
文章编号:
1673-193X(2020)-07-0106-06
作者:
张轩轩; 万祥云; 彭荣富; 贾炳; 娄全
（河南城建学院 市政与环境工程学院，河南 平顶山 467036）
Author(s):
ZHANG Xuanxuan;  WAN Xiangyun;  PENG Rongfu;  JIA Bing;  LOU Quan
(School of Municiple and Environment Engineering,Henan University of Urban Construction,Pingdingshan Henan 467036,China)
关键词:
隧道火灾; 烟气防控; 排烟速率; 水幕与排烟口间距
Keywords:
tunnel fire;  smoke prevention and control;  smoke exhaust rate;  distance between water curtain and smoke exhaust vent
分类号:
X951;X932
DOI:
10.11731/j.issn.1673-193x.2020.07.017
文献标志码:
A
摘要:
为优化选择水幕和机械排烟系统作用下最佳防排烟方式，运用FDS数值模拟方法探究排烟速率和水幕与排烟口间距对烟流分布的影响，并对11组模拟工况下排烟效率和烟气特征参数变化规律进行研究。结果表明：20 MW的火源功率下，排烟速率为60 m3/s、水幕与排烟口间距为12.5 m时，排烟效率较高且烟气特征参数满足安全要求，考虑防排烟的有效性和经济性，可选其为最优防排烟组合方式。研究结果对防排烟系统的设计具有指导意义。
Abstract:
In order to optimally select the optimum smoke prevention and exhaust mode under the action of water curtain and mechanical smoke exhaust system,the FDS numerical simulation method was used to explore the influence of smoke exhaust rate and distance between water curtain and smoke exhaust vent on the distribution of smoke flow.Through the study on the change laws of smoke exhaust efficiency and smoke characteristic parameters under 11 sets of simulated working conditions,the results showed that when the fire source power was 20 MW,the smoke extraction rate was 60 m3/s and the distance between water curtain and smoke exhaust vent was 12.5 m,the smoke exhaust efficiency was higher and the smoke characteristic parameters could meet the safety requirements,which was selected as the optimum combination mode of smoke prevention and exhaust considering the effectiveness and economy of smoke prevention and exhaust.The research results have guiding significance for the design of smoke prevention and exhaust system.

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备注/Memo

备注/Memo:
收稿日期： 2020-01-17
* 基金项目： 河南省科技厅项目（162400410604）
作者简介： 张轩轩，硕士研究生，主要研究方向为火灾防治理论与技术。
通信作者： 万祥云，博士，副教授，主要研究方向为地下空间安全与地质环境治理。
更新日期/Last Update: 2020-08-06