Current situation investigation and numerical simulation study of natural air infiltration in railway stations

Based on investigation of 16 large railway stations, summarizes the current situation and characteristics of natural air infiltration in main spaces, and concludes some energy saving measures. The survey results show that most railway stations fail to control the natural air infiltration because of its large and open characteristics which leads much more energy consumption in cooling and heating seasons, and worse indoor thermal comfort. Simulates and analyses the efficiency of air curtain and anteroom in controlling the natural air infiltration and gives suggestions based on their different controlling characteristics.