Numerical Simulation Analysis of Air Flow Distribution in Public Area of Subway Station
The subway station is a relatively closed underground space with poor air circulation in the station.Under the background of low-carbon life and green travel,the air quality and thermal comfort of metro public areas have attracted wide attention.Therefore,it is necessary to properly regulate the air in the metro public area with reasonable air flow organization.It consumes less energy while ensuring the comfort and health of the thermal and humid environment inside the subway and the normal operation of the equipment inside the station.This paper takes the air flow field in the common area of island subway station as the research object,and adopts the research method combining theoretical analysis,test research and numerical simulation.The numerical simulation results show that the relative humidity of the station floor and platform floor is about 73％and 76％respectively,which is too high.At the same time,by comparing with the measured data of subway stations,the overall error between the simulation results and the measured data is small,indicating the accuracy of the simulation results.
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