|本期目录/Table of Contents|

[1]殷利鹏,邢志祥,朱飞昊,等.地下综合管廊燃气泄漏数值模拟研究*[J].中国安全生产科学技术,2024,20(6):99-104.[doi:10.11731/j.issn.1673-193x.2024.06.013]
　YIN Lipeng,XING Zhixiang,ZHU Feihao,et al.Numerical simulation study of gas leakage in underground utility tunnel[J].JOURNAL OF SAFETY SCIENCE AND TECHNOLOGY,2024,20(6):99-104.[doi:10.11731/j.issn.1673-193x.2024.06.013]
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地下综合管廊燃气泄漏数值模拟研究*
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《中国安全生产科学技术》[ISSN:1673-193X/CN:11-5335/TB]

卷:
20
期数:
2024年6期
页码:
99-104
栏目:
职业安全卫生管理与技术
出版日期:
2024-06-30

文章信息/Info

Title:
Numerical simulation study of gas leakage in underground utility tunnel
文章编号:
1673-193X(2024)-06-0099-06
作者:
殷利鹏; 邢志祥; 朱飞昊; 徐慧; 吴洁; 程洋
(常州大学 安全科学与工程学院，江苏 常州 213000）
Author(s):
YIN Lipeng;  XING Zhixiang;  ZHU Feihao;  XU Hui;  WU Jie;  CHENG Yang
(School of Safety Science and Engineering,Changzhou University,Changzhou Jiangsu 213000,China)
关键词:
地下管廊; 燃气泄漏; 数值模拟; 理查森数; 通风频率
Keywords:
underground utility tunnel;  gas leakage;  numerical simulation;  Richardson number;  ventilation frequency
分类号:
X937
DOI:
10.11731/j.issn.1673-193x.2024.06.013
文献标志码:
A
摘要:
为研究燃气在地下综合管廊内不同几何结构顶部泄漏和扩散情况，通过Ansys Fluent软件建立拱顶、尖顶和平顶3种结构的管廊燃气泄漏数值模拟模型，分析燃气在不同结构管廊内的扩散规律。研究结果表明：管廊结构会影响燃气扩散情况，泄漏后燃气倾向于向管廊顶部积聚；燃气分层与管廊结构相关，其中拱顶结构分层相比尖顶和平顶更稳定；管廊结构会影响燃气扩散速度，其中拱顶结构内扩散速率相对最低，该结构可降低爆炸风险；本文管廊扩散预测模型的最大相对误差为4.57%，该模型能较准确预测燃气泄漏扩散情况。研究结果可为地下管廊的安全性研究提供一定参考。
Abstract:
To study the leakage and diffusion of gas at the roof with different geometric structures in the underground utility tunnels,the numerical simulation models of gas leakage in utility tunnel with three types of roof structures,namely arch roof,pointy roof,and flat roof,were established by using Ansys Fluent software,and the diffusion law of gas in these utility tunnels with different structures was analyzed.The results show that the tunnel structure influences diffusion,with gas tending to accumulate at the top.Gas stratification is related to the tunnel structure,with the arched structure having：the most stable stratification.The tunnel structure also affects the diffusion speed of methane,with the lowest diffusion rate observed in the arched roof,thereby reducing the risk of explosion.The established tunnel diffusion prediction model has a maximum relative error of 4.57%,which can accurately predict gas leakage and diffusion.The research results can provide a certain reference for improving the safety of underground utility tunnels.

参考文献/References:

［1］JULIAN C P,JORGE C E，VICENTE C.Criticality and threat analysis on utility tunnels for planning security policies of utilities in urban undergroundspace［J］.Expert Systems with Applications,2013,40(11):4707-4714.
［2］中华人民共和国住房和城乡建设部.城市综合管廊工程技术规范:GB 50838—2015 ［S］.北京:中国计划出版社，2015.
［3］张琼雅.城镇燃气管道泄漏扩散的CFD模拟及后果分析［D］.重庆：重庆大学，2013.
［4］LI X J,ZHOU R P,DIMITRIOS K.CFD analysis of natural gas dispersion in engine room space based on multi-factorcoupling［J］.Ocean Engineering,2016,111:524-532.
［5］方自虎，王家远.共同沟内燃气扩散规律的数值分析［J］.武汉大学学报，2009，42(2):215-218. FANG ZiHu，WANG Jiayuan.Numerical analysis of gas dispersion patterns in shared trenches ［J］.Journal of Wuhan University.2009，42(2):215-218.
［6］KOSTOWSKI W J,SKOREK J.Real gas flow simulation in damaged distribution pipelines ［J］.Energy,2012,45(1):481-488.
［7］邓汉猛.基于大孔模型理论的国外某油田天然气管道泄漏事故后果模拟分析［J］.化学工程与装备,2020(5):254-255. DENG Hanmeng.Simulation analysis of consequences of natural gas pipeline leakage accident in a foreign oilfield based on macro-poremodel theory ［J］.Chemical Engineering and Equipment,2020(5):254-255.
［8］陈平,梅华锋,赵海林.天然气管道大孔泄漏速率的建模与分析［J］.图学学报,2014,35(3):486-489. CHEN Ping,MEI Huafeng,ZHAO Hailin.Modeling and analysis of large hole leakage rate in natural gas pipelines ［J］.Journal of Graphics,2014,35(3):486-489.
［9］CHEN J M,WANG J Y,WANG B B,et al.An experimental study of visibility effect on evacuation speed on stairs ［J］.Fire Safety Journal,2018,96:189-202.
［10］刘秀秀.综合管廊燃气管道泄漏扩散理论与实验研究［D］.北京：北京建筑大学,2018.
［11］刘钊春,柴军瑞,贾晓梅，等.压入式通风掘进面有害气体物质的浓度扩散数值模拟［J］.岩土力学,2009,30(增刊2):536-539. LIU Zhaochun,CHAI Junrui,JIA Xiaomei,et al.Numerical simulation of harmful gas concentration diffusion in press-in ventilated tunneling faces ［J］.Rock and Soil Mechanics,2009,30(Supplement 2):536-539.
［12］于畅,田贯三.可燃气体室内泄漏扩散的研究［J］.山东建筑工程学院学报,2006(3):243-247. YU Chang,TIAN Guansan.Study on the indoor leakage and diffusion of flammable gases ［J］.Journal of Shandong University of Architecture and Engineering,2006(3):243-247.
［13］蒋永清,任喆,孙超,等.埋地管道泄漏天然气在分层填筑土壤扩散数值模拟研究［J］.中国安全生产科学技术,2016,12(6):105-109. JIANG Yongqing,REN Zhe,SUN Chao,et al.Numerical simulation study on the diffusion of natural gas leaked from underground pipelines in layered fill soil ［J］.Journal of Safety Science and Technology,2016,12(6):105-109.
［14］ONS T,HATERN M,PHILIPPE B.Airflow induced by a room fire:effect of roof shape and source location ［J］.International Journal of Thermal Sciences,2015,90:135-149.
［15］周超,王志荣,蒋军成.室内空间重气泄漏扩散过程的影响因素［J］.南京工业大学学报(自然科学版),2011,33(4):88-92. ZHOU Chao,WANG Zhirong,JIANG Juncheng.Influence factors of dense gas leakage and dispersion indoor ［J］.Journal of Nanjing Tech University (Natural Science Edition),2011,33(4):88-92.
［16］胡青.基于电力变压器故障特征气体分层特性的诊断与预测方法研究［D］.重庆：重庆大学,2010.
［17］樊雨彦.基于FLUENT的氟化工相关毒害性气体泄漏扩散规律的研究［D］.天津：天津大学,2021.

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备注/Memo

备注/Memo:
收稿日期： 2023-09-19
* 基金项目： 国家重点研发计划项目(2021YFC3001203，2022YFB4002803，2022YFB4002804)；江苏省研究生科研与实践创新计划项目（KYCX22_3112)
作者简介： 殷利鹏，硕士研究生，主要研究方向为气体泄漏。
通信作者： 邢志祥，博士，教授，主要研究方向为化工安全、油气储运安全、消防安全等。
更新日期/Last Update: 2024-06-25