浙江大学学报(理学版)2025,Vol.52Issue(2):215-225,11.DOI:10.3785/j.issn.1008-9497.2025.02.005
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
摘要
Abstract
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 CO2 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 CO2 and total volatile organic compounds(TVOC)were 921.6× 10-6~1 805.2× 10-6and 330× 10-9~682× 10 respectively.The intervention experiment showed that the satisfaction and acceptability of the respondents(graduate students)with air quality were significantly reduced when the CO2 volume concentration reached 2 296×10-6.Within the temperature range of 17~31 ℃,the CO2 emission rate of human body increases by 0.56 L·h-1 with every 1 ℃ increase in temperature.In order to maintain the indoor CO2 concentration at 1 000 × 10-6,the per capita ventilation rate needs to be increased by 0.25 L·s-1.关键词
教室/空气质量/CO2浓度/干预测验Key words
classrooms/air quality/CO2 concentration/intervention measurement分类
土木建筑引用本文复制引用
吕越,张逸杰,陈忠清,张文艺..教室空气质量现场检测和干预[J].浙江大学学报(理学版),2025,52(2):215-225,11.基金项目
绍兴文理学院校级科研项目(13012001009027). (13012001009027)