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《Journal of South China University of Technology(Natural Science Edition)》 2008-02
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Numerical Simulation of Smoke Flow During Highway Tunnel Fire

Lei Bing(College of Mechanical Engineering,Southwest Jiaotong University,Chengdu 610031,Sichuan,China)  
In order to effectively investigate the fire safety system for highway tunnels,this paper proposes a mathematical model and a physical model to describe the smoke flow in the tunnel,with the Tianfu Highroad Tunnel in Chengdu as the research object.On the basis of the proposed models and by using the CFD software Phoenics 3.6.1,the fire smoke flow in longitudinal ventilation condition is numerically simulated.By means of simulation,the distribution laws of the concentration field and the temperature field of thermal smoke in different longitudinal ventilation conditions are obtained,the development of the smoke is analyzed,and the nasty instances caused by the fire and smoke in various tunnel sections to passengers are obtained.Some references for the fire controlling,passenger rescue and evacuation are finally provided.
【Fund】: 国家“863”计划项目(2004AA505430)
【CateGory Index】: U458.1
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