|本期目录/Table of Contents|

[1]李诗彤,王亮,钟珂.基于FDS的2种纵向通风设置对公路隧道火灾疏散环境模拟结果的影响研究*[J].中国安全生产科学技术,2026,22(2):146-153.[doi:10.11731/j.issn.1673-193x.2026.02.018]
　LI Shitong,WANG Liang,ZHONG Ke.Study on the impact of two longitudinal ventilation settings on fire evacuation simulations in highway tunnels based on FDS[J].Journal of Safety Science and Technology,2026,22(2):146-153.[doi:10.11731/j.issn.1673-193x.2026.02.018]
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基于FDS的2种纵向通风设置对公路隧道火灾疏散环境模拟结果的影响研究*()

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

卷:
22
期数:
2026年2期
页码:
146-153
栏目:
火灾与爆炸安全
出版日期:
2026-02-28

文章信息/Info

Title:
Study on the impact of two longitudinal ventilation settings on fire evacuation simulations in highway tunnels based on FDS
文章编号:
1673-193X(2026)-02-0146-08
作者:
李诗彤; 王亮; 钟珂
（1.东华大学 环境科学与工程学院，上海 201600；
2.上海市隧道工程轨道交通设计研究院，上海 200030）
Author(s):
LI Shitong;  WANG Liang;  ZHONG Ke
(1.College of Environmental Science and Engineering,Donghua University,Shanghai 201600,China;
2.Shanghai Tunnel Engineering & Rail Transit Design and Research Institute,Shanghai 200030,China)
关键词:
隧道火灾; 纵向通风断面风速; FDS纵向通风设置; 人员疏散环境
Keywords:
tunnel fire;  longitudinal ventilation cross-sectional air velocity;  FDS longitudinal ventilation configuration;  evacuation environment for occupants
分类号:
X932
DOI:
10.11731/j.issn.1673-193x.2026.02.018
文献标志码:
A
摘要:
为评估均匀送风与射流风机这2种通风设置对公路隧道火灾疏散模拟结果的影响，采用FDS数值模拟方法，在相同几何尺寸、火源条件以及4种典型平均断面风速下构建隧道模型，分别施加2种通风设置，研究两者隧道流场特征与疏散环境的差异。研究结果表明：低能见度区域垂直厚度沿通风方向的变化趋势，在射流风机设置时为递增，均匀送风设置时则为递减。射流风机设置时，局部高速气流对烟气的扰动导致断面风速越大，能见度反而越低，但均匀送风设置时不存在此规律。相较射流风机设置，均匀送风设置对温度安全性预测较准确，但对能见度安全性高估显著。研究结果可为FDS数值模拟中通风设置的合理选择及疏散环境安全评估提供参考。
Abstract:
In order to evaluate how two ventilation configurations,namely uniform air supply and jet fans,affect evacuation simulation outcomes in highway tunnel fires,this study conducts numerical simulations using FDS.A tunnel model is built under the same geometry and fire source conditions,and under four typical mean cross-sectional air velocities.The two ventilation configurations are applied separately to examine the differences in tunnel flow-field characteristics and evacuation conditions.The results show that the variation trend of the vertical thickness of the low-visibility zone along the ventilation direction increases under the jet-fan configuration,whereas it decreases under the uniform air-supply configuration.Under the jet-fan configuration,disturbances induced by local high-speed jets lead to a counterintuitive effect in which higher cross-sectional air velocity corresponds to lower visibility,while this pattern does not appear under the uniform air-supply configuration.Compared with the jet-fan configuration,the uniform air-supply configuration yields more accurate predictions of temperature-related safety,but it substantially overestimates visibility-related safety.These findings provide a reference for selecting appropriate ventilation configurations in FDS simulations and for assessing the safety of evacuation environments.

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备注/Memo

备注/Memo:
收稿日期： 2025-05-26
* 基金项目： 国家自然科学基金项目（42075179）
作者简介： 李诗彤，硕士研究生，主要研究方向为公路隧道火灾纵向通风。
通信作者： 钟珂，博士，教授，主要研究方向为公路隧道火灾纵向通风。
更新日期/Last Update: 2026-03-09