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Indoor temperature, relative humidity and CO2 monitoring and air exchange rates simulation utilizing system dynamics tools for naturally ventilated classrooms
Building and Environment ( IF 7.4 ) Pub Date : 2020-08-01 , DOI: 10.1016/j.buildenv.2020.106980
Ayesha Asif , Muhammad Zeeshan

Abstract This study reports the results of two-season (summer and winter) monitoring of indoor CO2, temperature (T) and relative humidity (RH) levels conducted in naturally ventilated classrooms of a primary school. Parameters were recorded at 1-min interval for one week including occupancy and non-occupancy hours. CO2, T and RH exceeded ASHRAE recommended limits for significant fraction of occupancy period. Minute-by-minute ventilation (VRs) and air exchange rates (AERs) were calculated for occupancy hours. Results showed significant variation (p 0.98 for all classrooms, using minute-by-minute VRs) with monitored CO2 concentration and low root mean square error. Similarly, minute-by-minute VRs input to models showed more accurate simulation as compared to VRs averaged for a session (Correlation coefficient

中文翻译:

利用自然通风教室的系统动力学工具进行室内温度、相对湿度和 CO2 监测和空气交换率模拟

摘要 本研究报告了在一所小学自然通风教室中对室内 CO2、温度 (T) 和相对湿度 (RH) 水平进行的两季(夏季和冬季)监测结果。参数以 1 分钟的间隔记录一周,包括占用和非占用时间。CO2、T 和 RH 超过了 ASHRAE 建议的大部分入住时间限制。计算每分钟的通风量 (VRs) 和空气交换率 (AERs)。结果显示出显着变化(所有教室的 p 0.98,使用逐分钟 VR),监测的 CO2 浓度和低均方根误差。类似地,与会话的平均 VR 相比,输入到模型的逐分钟 VR 显示出更准确的模拟(相关系数
更新日期:2020-08-01
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