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《Chinese Journal of Underground Space and Engineering》 2012-01
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Energy-saving Research on Ventilation System of Tunnel in Subway

Wang Feng1,Lei Bo2(1.College of Architecture and Environment,Sichuan University,Chengdu 610065,China;2.Shool of Mechanical Engineering, Southwest Jiaotong University,Chengdu 610031,China)  
The ventilation system in subway tunnel consumes more energy by adopting a long-dated and worst case of running.To research energy-saving measurements and their effects,the subway environment simulation software was applied to simulate the hourly ambience in different ages and various flow rate cases with consideration of the passenger flow rate,the train operation mode,heat storage of the soil and other factors.The results show that the highest temperature occurs at the evening rush hour.The temperature could meet the requirements of the standard when turning off the exhaust well in the early stage and the middle stage and accordingly,it would save more energy.The air flow rate of 40 m3/s is recommended and the piston well will have the effect of air intake in the future.
【CateGory Index】: U453.5
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