用co2监测器测量室内环境中的空气交换率 [外文翻译].zip

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用co2监测器测量室内环境中的空气交换率 [外文翻译],材料科学与工程 材料物理与化学,外文文献翻译及原文measurement of air exchange rates in different indoor environments usingcontinuous co2sensors用co2监测器测量室内环境中的空气交换率abstracta new air exch...
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材料科学与工程 材料物理与化学,外文文献翻译及原文

Measurement of air exchange rates in different indoor environments usingcontinuous CO2sensors

用CO2监测器测量室内环境中的空气交换率

Abstract
A new air exchange rate (AER) monitoring method using continuous CO2sensors was developed and validated through both laboratoryexperiments and field studies. Controlled laboratory simulation tests were conducted in a 1-m3environmental chamber at differentAERs (0.1–10.0 hr 1). AERs were determined using the decay method based on box model assumptions. Field tests were conductedin classrooms, dormitories, meeting rooms and apartments during 2–5 weekdays using CO2sensors coupled with data loggers.Indoor temperature, relative humidity (RH), and CO2concentrations were continuously monitored while outdoor parameters combinedwith on-site climate conditions were recorded. Statistical results indicated that good laboratory performance was achieved: duplicateprecision was within 10%, and the measured AERs were 90%–120% of the real AERs. Average AERs were 1.22, 1.37, 1.10, 1.91 and0.73 hr 1in dormitories, air-conditioned classrooms, classrooms with an air circulation cooling system, reading rooms, and meetingrooms, respectively. In an elderly particulate matter exposure study, all the homes had AER values ranging from 0.29 to 3.46 hr 1infall, and 0.12 to 1.39 hr 1in winter with a median AER of 1.15.

摘要:一种新的空气交换率(AER)的监测方法已经被开发和验证了,它们是用CO2监测器的方法,并通过实验室实验和实地研究加以论证。控制实验室的模拟试验是在1m3的环境室AERS(0.1~10.0hr-1)里进行的。AERS在盒模型假设的基础上使用衰减法来确定的。现场试验是每2~5个工作日在教室、宿舍、会议室进行的,这些实验都是使用CO2监测器并用数据记录器记录室内的温度,相对湿度(RH)和CO2浓度,这些数据都必须经过连续监测而室外的参数组合与现场气候条件也都被记录了。统计结果表明,如果良好的实验室性能得以实现,那么复制精度将会在10%以内,并且测得的AERS分别为真实AERS的90%~120%之间。 AERS在宿舍、空调教室、有教室的空气循环冷却系统的教室、阅读室和会议客房的平均值分别为1.22,1.37,1.10,1.91和0.73hr-1。在一个上了年纪的颗粒物的暴露研究中,所有家庭的AER值都是从0.29到3.46hr-1不断下降状态,在冬天AER值为0.12至1.39hr-1,中位数1.15 AER。