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通过对地铁车站公共区的热负荷进行分析计算,确定了远期地铁车站公共区逐时通风量,结合天津市地铁1号线环控系统的设计方案,提出了空调风机全年变频运行,并用计算流体力学(CFD)模拟的方法,借助Airpak软件,模拟夏季车站变风量运行时车站公共区的温度场和速度场,得出变风量运行后能够达到的设计要求。
Through the analysis and calculation of the thermal load in the public area of the subway station, the hourly ventilation in the public area of the long-term metro station has been determined. Combined with the design of the loop control system in Line 1 of Tianjin Subway, the air- Computational fluid dynamics (CFD) simulation method is used to simulate the temperature field and velocity field in the common station of the station during the summer station VAV operation with Airpak software. The design requirements that can be achieved after VAV operation are obtained.