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教室空气质量现场检测和干预    

A study of field detection and intervention on indoor temperature and air quality in classrooms

文献类型:期刊文献

中文题名:教室空气质量现场检测和干预

英文题名:A study of field detection and intervention on indoor temperature and air quality in classrooms

作者:吕越[1];张逸杰[1];陈忠清[1,2];张文艺[1]

机构:[1]绍兴文理学院土木工程学院,浙江绍兴312000;[2]绍兴文理学院岩石力学与地质灾害实验中心,浙江绍兴312000

年份:2025

卷号:52

期号:2

起止页码:215

中文期刊名:浙江大学学报(理学版)

外文期刊名:Journal of Zhejiang University(Science Edition)

收录:北大核心2023、、北大核心

基金:绍兴文理学院校级科研项目(13012001009027).

语种:中文

中文关键词:教室;空气质量;CO_(2)浓度;干预测验

外文关键词:classrooms;air quality;CO2 concentration;intervention measurement

中文摘要:为研究教室空气质量及变化情况,在春季学期对某大学教室(持续时间100 min、人口密度0.32~0.39人·m^(?2))的空气质量进行了现场检测和干预实验。检测室内外温度、相对湿度、CO_(2)浓度和挥发性有机化合物(VOCs)浓度,每5 min记录1次,并对室内空气质量进行评估。检测结果显示,教室内平均气温17.8℃~29.2℃、平均相对湿度34.5%~91.0%,CO_(2)平均浓度921.6×10^(?6)~1805.2×10^(?6),总挥发性有机化合物(TVOC)平均浓度330×10^(?9)~682×10^(?9)。干预实验表明,当CO_(2)浓度达2296×10^(?6)时,被邀者对空气质量的满意度和可接受度显著降低。当温度为17℃~31℃时,每升高1℃,人体CO_(2)排放率增加0.56 L·h^(?1)。为使室内CO_(2)浓度保持在1000×10^(?6)内,人均通风速率需较计算值增加0.25 L·s^(?1)。

外文摘要:To study the air quality and changes in the classroom,in the spring semester,the air quality of a university in Shaoxing(duration of 100 min,with population density of 0.32~0.39 m^(?2))was tested and intervened.The environmental data were recorded every 5 minutes,including indoor and outdoor temperature,relative humidity and CO_(2)concentration.The volatile organic compounds(VOCs)were sampled and the indoor air quality was evaluated.The field measurement results showed that the average indoor temperature in the classroom was 17.8~29.2℃,the average indoor relative humidity was 34.5%~91.0%,and the average concentrations of CO_(2)and total volatile organic compounds(TVOC)were 921.6×10^(?6)~1805.2×10^(?6)and 330×10^(?9)~682×10^(?9),respectively.The intervention experiment showed that the satisfaction and acceptability of the respondents(graduate students)with air quality were significantly reduced when the CO_(2)volume concentration reached 2296×10^(?6).Within the temperature range of 17~31℃,the CO_(2)emission rate of human body increases by 0.56 L·h^(?1)with every 1℃increase in temperature.In order to maintain the indoor CO_(2)concentration at 1000×10^(?6),the per capita ventilation rate needs to be increased by 0.25 L·s^(?1).

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