交通枢纽地下出租车蓄车区通风系统换气次数模拟
transport hub, underground taxi waiting zone, ventilation system, air change rate, air quality, numerical simulation
摘要：
由于缺少相应的设计规范，大型交通枢纽工程中的地下出租车蓄车、待客区的空气质量往往不能保证乘客的满意度。以天津站副广场地下出租车蓄车、待客区为研究对象，用Airpak软件建立其通风系统的数学模型，通过现场测试对模拟方法进行了验证。采用计算机数值模拟的方法对地下出租车蓄车、待客区在不同换气次数下的空气质量和热环境条件进行对比。模拟结果表明，该区域内通风换气次数可以按80%负荷进行设计，此时换气次数为8 h-1。
Abstract：
With the shortage of design specification for environmental service system of the underground taxi waiting zone (UTWZ) in transport hub, passengers in this area are not satisfied with the poor air quality. Taking the UTWZ in Tianjin Railway Station as an example, develops the mathematical model of the ventilation system by Airpak software. By comparing the test data with the simulation results, the numerical simulation method is proved correct and reliable. Performs a series of computational numerical simulation to investigate and predict the thermal comfort and air quality of the project with different air change rates. Simulation results show that the air change rate can be 8 times per hour based on consideration of 80 percent peak load.
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