摘要
通过对上海某地铁区间热环境空气温度、壁面温度、热流密度等参数约14个月的监测数据分析,得到了地铁区间空气温度随时间和位置的变化特性及区间土体蓄放热特性。区间隧道空气温度与室外空气温度的最大温差冬季为13℃,夏季为4℃;区间隧道土体冬季以放热为主,典型日热流密度范围为-2~23 W/m~2;不同季节区间土体蓄放热是区间空气温度维持相对稳定的关键。
Based on the analysis of monitoring data for about 14 months of thermal ambient air temperature,wall temperature,heat flux density and other parameters of a underground railway interval in Shanghai,obtains the characteristics of the air temperature change with time and location in the underground railway interval and the heat storage and release characteristics of the interval soil.The maximum temperature difference between interval tunnel air and outdoor air is 13℃in winter and 4℃in summer.The soil of interval tunnel is mainly exothermic in winter,and the typical daily heat flux density ranges from-2 to 23 W/m~2.The heat storage and release of the interval soil is the key to maintaining the relative stability of air temperature in the interval.
作者
王丽慧
孙彬
郑懿
宋洁
张继华
胡田伟
Wang Lihui;Sun Bin;Zheng Yi;Song Jie;Zhang Jihua;Hu Tianwei(University of Shanghai for Science and Technology,Shanghai,China)
出处
《暖通空调》
2021年第4期33-37,共5页
Heating Ventilating & Air Conditioning
基金
国家自然科学基金项目(编号:51878408)
中国交通部卫生防疫技术交通运输行业研发中心资助项目。
关键词
热流密度
空气温度
区间土体
蓄放热
地铁
heat flux density
air temperature
interval soil
heat storage and release
underground railway
