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随着城市地铁的迅速发展,地铁环境控制问题也愈来愈引起人们的关注。本文以美国供暖制冷空调工程师学会(ASHRAE)提出的相对热指标(RWI)作为衡量人体热舒适性的标准,对天津地铁站的空调运行控制温度进行了探讨,并计算了天津地铁的运行控制温度随室外温度的变化趋势,分析了乘客进出站过程中RWI值和热舒适性的变化规律。为天津地铁的运行控制温度提出了合理的建议,为天津地铁环控系统设计提供了参考。
With the rapid development of urban subway, the issue of subway environment control has drawn more and more attention. In this paper, relative heat index (RWI) proposed by American Society of Heating, Refrigeration and Air-Conditioning Engineers (ASHRAE) is used as the standard to measure the thermal comfort of the human body. The temperature control of air-conditioners in Tianjin Subway Station is discussed, and the operation control temperature With the changing trend of outdoor temperature, the change rule of RWI value and thermal comfort during passengers entering and exiting the station is analyzed. This paper puts forward reasonable suggestions for the temperature control of Tianjin Subway and provides a reference for the design of the loop control system in Tianjin Subway.