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隧道火灾烟气流动的数值模拟

Numerical simulation for smoke flow of the tunnel fire

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【Author】 ZHANG Jinhua~1,YANG Gaoshang~2,PENG Limin~2,OUYANG Xinhe~3(1.Hunan province communication planning survey and design institute,Changsha,Hunan 410008,China;2.School of civil engineering and architecture,Central South University,Changsha,Hunan 410075,China;3.Shaoyang-Huaihua construction compang for highways,Shaoyang,Hunan 422000,China)

【机构】湖南省交通规划勘察设计院；中南大学土木工程学院；邵怀高速公路公司湖南长沙410008；湖南长沙410015；湖南邵阳422000；

【摘要】分析了隧道火灾的特点,运用场模拟的方法,利用商业CFD软件PHOENICS 3.5对一工程实例进行了数值模拟,研究了不同纵向通风速度下,该公路隧道火灾烟气的浓度场、温度场等的蔓延规律,为研究烟气的流动情况和制定疏散方案提供重要参考依据,并提出了控制火灾、满足火灾救援和人员疏散的有效措施更多还原

【Abstract】 The characteristics of tunnel fire are analysed,the numerical simulation of an engineering example is made with the use of commercial CFD software PHOENICS 3.5 through the application of field modeling method.The spreading rules and characteristics of concentration field and thermal temperature field of the tunnel fire given by the different ventilation speeds are studied,which may provide the theoretical background for evacuation design in tunnel fire.The effective measures of fire rescue and people’s evacuation are also put forward.更多还原

【关键词】隧道火灾；烟气流动；数值模拟；
【Key words】 tunnel fire； smoke flow； numerical simulation； concentration field； temperature field；

【基金】西部交通建设科技项目(200331879802)

【文献出处】中南公路工程 ,Journal of Central South Highway Engineering , 编辑部邮箱 ,2006年01期

【分类号】U453.5
【被引频次】49
【下载频次】595

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