Use of visual CO2 feedback as a retrofit solution for improving classroom air quality
Use of visual CO2 feedback as a retrofit solution for improving classroom air quality
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DOI：
10.1111/ina.12119
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发表时间：
2015-02-01
期刊：
影响因子：
5.8
通讯作者：
Da Silva, N. A. F.
中科院分区：
文献类型：
--
作者：
Wargocki, P.;Da Silva, N. A. F.
在学校正常运作期间，在教室安装了提供视觉指示的二氧化碳（CO2）传感器。在两周的时间里，教师和学生被指示打开窗户，以响应视觉CO2反馈在第一周和打开它们，因为他们通常会做，没有视觉反馈，在其他周。在供暖季，监测了两对教室，一对自然通风，另一对机械通风。在降温季节，对两对自然通风教室进行了监测，一对在运行中使用了分体式制冷，另一对没有制冷。教室是按年级分配的。提供视觉CO2反馈降低了CO2水平，因为在这种情况下打开了更多的窗户。这增加了用于加热的能源使用，并减少了夏季的冷却需求。只有当没有可见的CO2反馈时，分开冷却才能减少开窗的频率。
Carbon dioxide (CO2) sensors that provide a visual indication were installed in classrooms during normal school operation. During 2-week periods, teachers and students were instructed to open the windows in response to the visual CO2 feedback in 1week and open them, as they would normally do, without visual feedback, in the other week. In the heating season, two pairs of classrooms were monitored, one pair naturally and the other pair mechanically ventilated. In the cooling season, two pairs of naturally ventilated classrooms were monitored, one pair with split cooling in operation and the other pair with no cooling. Classrooms were matched by grade. Providing visual CO2 feedback reduced CO2 levels, as more windows were opened in this condition. This increased energy use for heating and reduced the cooling requirement in summertime. Split cooling reduced the frequency of window opening only when no visual CO2 feedback was present.