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冬季开窗通风是北方住宅建筑引入新风以改善室内空气品质的主要措施,室内CO2的浓度是开窗行为的最大影响因子。通过采用二氧化碳气体测试仪等相关仪器,对示踪气体进行实测,根据差分法方程对住宅建筑不同功能的房间进行新风量计算,分析冬季开窗通风换气次数的变化规律,确定最佳开窗次数和开窗通风时间。在开窗通风的过程中,既可引入室外新风改善室内环境,同时又将室内污染物排除,对冬季北方住宅改善室内环境品质具有非常大的意义。
Window ventilation in winter is the main measure to introduce fresh air into northern residential buildings to improve the indoor air quality. The indoor CO2 concentration is the most influential factor in window opening behavior. Through the use of carbon dioxide gas tester and other related instruments, the tracer gas was measured, according to the differential equation of different functions of residential buildings in the room for the new air volume calculation, analysis of the winter window ventilation ventilation changes in the law to determine the optimal window Times and window ventilation time. In the process of window ventilation, the outdoor fresh air can be introduced to improve the indoor environment, meanwhile to eliminate the indoor pollutants, which is of great significance to the improvement of the indoor environmental quality of the northern residential buildings in winter.