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《Engineering Journal of Wuhan University》 2017-02
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Study of smoke control modes of platform fire in multilayer metro station based on air curtain

CHEN Jing;FANG Zheng;YUAN Jianping;China Academy of Building Research;School of Civil and Architectural Engineering,Wuhan University;  
Referring to the architecture characteristics of the multilayer metro station,smoke-preventing air curtains are proposed to be used at the exit of staircase in the platform to prevent smoke.Taking a multilayer metro station as the main research object,the computational fluid dynamics software FDS is used to build a 3D model of metro station.The different smoke control modes are studied when platform caught a fire and the smoke-preventing air curtain is used.The comparative analysis of the simulation shows that:when the fire is on the third underground floor while fire shutters at the gate of stair to the upper platform fail to work.The platform exhaust smoke system combined with smoke-preventing air curtain can effectively keep the smoke in the fire floor with little disturbance on smoke layer;and it is good for the evacuation of people and fire rescue because of its soft preventing effect.
【Fund】: 国家自然科学基金项目(编号:51204123);; 武汉地铁集团有限公司科研项目(编号:GS-JZ-229);; 国家“十二五”科技支撑计划(编号:2015BAK14B03-1)
【CateGory Index】: U231.96
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