深圳地铁车站通风与火灾的仿真模拟及现场测试  

CFD Analog Simulation and Test on Ventilation and Fire of Subway Stations in Shenzhen

作　　者：那艳玲[1] 黄桂兴[2] 

机构地区：[1]天津大学环境科学与工程学院,天津300072 [2]铁道第三勘察设计院,天津300142

出　　处：《天津大学学报》2006年第B06期213-219,共7页Journal of Tianjin University(Science and Technology)

摘　　要：地铁环境控制通风系统的任务是在正常运行期间为地铁乘客提供舒适的环境,以及在紧急情况下能够迅速疏散乘客并尽可能减少损失．不同城市的气候条件、室外温湿度差异很大,因此选用何种环控方案,应根据客观条件、工程造价、运行效果等方面综合分析．为此,结合深圳地铁一号线的设计情况,建立了地铁车站的物理模型和数学模型,根据设计条件和实验情况确定物理模型的边界条件,分别对地铁车站正常工况和火灾工况进行了模拟分析与现场测试,并将模拟结果与实测结果进行了对比分析,验证了CFD模拟的可行性和正确性．A subway environment control and ventilation system is to give a proper temperature and humidity to subway and comfortable environment for passengers, and to be helpful to the dispersal of emergency in subway. Different cities have different climate conditions and outdoor temperature and humidity, so the scheme of environment control in subway should be analyzed by considering objective conditions, project cost and operating status. In this paper, a physical and a mathematical model are built according to the design of Shenzhen subway （ line 1 ）, and the boundary conditions of the physical model are defined by the conditions of design and experiments, then the numerical simulation and the experiment of normal ventilating scheme and fire condition are done individually, and the results of the numerical analysis and the experiment are compared. The feasibility and the validity of CFD numerical simulation are proved.

关 键 词：地铁环控 CFD 气流分布 温度场 火灾 

分 类 号：TU924[建筑科学—建筑设计及理论] U231.96[交通运输工程—道路与铁道工程]