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[1]雷震霖,陈世强,董向阳,等.长大区间隧道抽出式串联通风机排烟能力实验研究*[J].中国安全生产科学技术,2023,19(3):115-120.[doi:10.11731/j.issn.1673-193x.2023.03.017]
　LEI Zhenlin,CHEN Shiqiang,DONG Xiangyang,et al.Experimental study on smoke exhaust capacity of extraction series fans in long section tunnel[J].JOURNAL OF SAFETY SCIENCE AND TECHNOLOGY,2023,19(3):115-120.[doi:10.11731/j.issn.1673-193x.2023.03.017]
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长大区间隧道抽出式串联通风机排烟能力实验研究*
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《中国安全生产科学技术》[ISSN:1673-193X/CN:11-5335/TB]

卷:
19
期数:
2023年3期
页码:
115-120
栏目:
职业安全卫生管理与技术
出版日期:
2023-03-31

文章信息/Info

Title:
Experimental study on smoke exhaust capacity of extraction series fans in long section tunnel
文章编号:
1673-193X(2023)-03-0115-06
作者:
雷震霖; 陈世强; 董向阳; 陈永平; 刘纯玉; 朱祝龙; 陈宜汉
(1.湖南科技大学 资源环境与安全工程学院,湖南 湘潭 411201；
2.桂林航天工业学院 能源与建筑环境学院,广西 桂林 541004；
3.中铁隧道勘测设计院有限公司,天津 300133)
Author(s):
LEI Zhenlin;  CHEN Shiqiang;  DONG Xiangyang;  CHEN Yongping;  LIU Chunyu;  ZHU Zhulong;  CHEN Yihan
(1.School of Resource,Environment and Safety Engineering,Hunan University of Science and Technology,Xiangtan Hunan 411201,China;
2.Department of Building Environment and Energy Engineering,Guilin University of Aerospace Technology,Guilin Guangxi 541004,China;
3.Tunnel Design Branch,China Railway Tunnel Consultants Co.,Ltd.,Tianjin 300133,China)
关键词:
区间隧道; 通风排烟; 双通风机串联; 欧拉数; 实验
Keywords:
section tunnel;  ventilation and smoke exhaust;  two fans in series;  Euler number;  experiment
分类号:
X962；U231+.5
DOI:
10.11731/j.issn.1673-193x.2023.03.017
文献标志码:
A
摘要:
为实现有效通风以降低隧道火灾带来的损失和伤亡，依托青岛市地铁8号线大洋站至青岛北站区间隧道，建立线性比尺为1∶15的隧道通风排烟模型实验系统，针对通风机串联单抽，围绕3种通风机频率匹配组合，测定单机的变频频率值、电功消耗、排烟道与行车道的断面平均风速以及右侧行车道静压。研究结果表明：在相同功率消耗下，不同频率匹配的串联通风机排烟效果存在差异；针对此差异，利用气体挡烟墙性能及其计算欧拉数值比较发现，风井近端的通风机频率较大时，下游对污染气流的抵抗力更强，拥有更好的排烟效果。研究结果可为隧道火灾提供更有效率的防灾救灾数据支持，并从欧拉数方面为研究隧道临界风速提供新角度。
Abstract:
In order to achieve the effective ventilation to reduce the loss and casualties caused by tunnel fire,relying on the section tunnel from Dayang station to Qingdao North station of Qingdao Metro Line 8,a model experimental system of tunnel ventilation and smoke exhaust with a linear scale of 1∶15 was established.On the experimental system,aiming at the series single extraction of fans and focusing on three frequency matching combination of fans,the conversion frequency value and electric power consumption of single fan,the section average wind speed of smoke exhaust duct and carriageway,and the static pressure of right carriageway were measured.The results showed that under the same power consumption,the smoke exhaust effect of series fans with different frequency matching was different.For this difference,by comparing the performance of the gas smoke retaining wall and its calculated Euler value,it was found that when the fan frequency at the near end of air shaft was large,the resistance of the downstream to the polluted air flow was stronger,and the smoke exhaust effect was better.The research results can provide more efficient disaster prevention and relief guidance for tunnel fires,and provide a new perspective for studying the critical wind speed of tunnels from the aspect of Euler number.

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　SHI Cong ling,ZHONG Mao hua,WANG Liang qi,et al.Investigation of fullscale burning experiments in metro station and tunnel (2) -interval tunnel fires[J].JOURNAL OF SAFETY SCIENCE AND TECHNOLOGY,2012,8(3):28.
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备注/Memo

备注/Memo:
收稿日期： 2021-09-16
* 基金项目： 湖南省自然科学基金项目(2019JJ60044);国家自然科学基金项目（51864014）
作者简介： 雷震霖，硕士研究生，主要研究方向为隧道应急通风。
通信作者： 陈世强，博士，教授，主要研究方向为地下空间通风空调、空气净化与装备节能。
更新日期/Last Update: 2023-04-12