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Indoor/outdoor relationship of PM2.5 concentration in typical buildings with and without air cleaning in Beijing
Deng, Gaofeng1,2; Li, Zenghe1; Wang, Zhichao2; Gao, Jubao3; Xu, Zhaowei2; Li, Jiandong2; Wang, Zhiyong2
2017
发表期刊INDOOR AND BUILT ENVIRONMENT
ISSN1420-326X
卷号26期号:1页码:60-68
摘要Indoor and outdoor particulate matter 2.5 (PM2.5) concentrations were monitored in seven sampling sites: basketball stadium, hotel, shopping centre, research centre, commercial office, apartment building and villa, to determine the indoor and outdoor relationship of PM2.5 mass concentration in the central area of Beijing from February 2014 to March 2014. The influence of four types of ventilation systems on indoor to outdoor (I/O) ratio of PM2.5 concentration was evaluated. The measured results show that the mean I/O ratio of the seven locations was 0.36 when the outdoor PM2.5 concentration was more than 150 mu g/m(3), and 1.1 when the outdoor PM2.5 concentration was less than 100 mu g/m(3), which implies that people's activities could be the most likely factor rather than outdoor sources for elevated indoor PM2.5 levels. The average I/O ratio was 0.69 for public buildings and 0.94 for residential homes, which illustrates that indoor PM2.5 concentrations could be dominated by outdoor sources for residential homes. Approximately 90% of the outdoor particles were removed in public buildings equipped with fan-coil unit with air cleaning plus fresh air system. The results demonstrate the need to improve indoor air quality by using a proper ventilation system with air cleaning.
关键词Indoor Air Quality Particulate Matter 2.5 Public Building Residential Home Ventilation Systems Air Cleaning Unit Indoor To Outdoor Ratio
文章类型Article
WOS标题词Science & Technology ; Technology ; Life Sciences & Biomedicine
DOI10.1177/1420326X15604349
收录类别SCI
语种英语
关键词[WOS]PARTICULATE MATTER ; OUTDOOR AIR ; INDOOR AIR ; PARTICLE NUMBER ; HONG-KONG ; QUALITY ; CHINA ; POLLUTION ; HOMES ; EXPOSURE
WOS研究方向Construction & Building Technology ; Engineering ; Public, Environmental & Occupational Health
WOS类目Construction & Building Technology ; Engineering, Environmental ; Public, Environmental & Occupational Health
项目资助者National Key Technology R&D Program in the 12th Five year Plan of China(2013BAK12B03)
WOS记录号WOS:000394085700006
引用统计
被引频次:2[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ipe.ac.cn/handle/122111/21961
专题多相复杂系统国家重点实验室
作者单位1.Beijing Univ Chem Technol, Sch Sci, Beijing, Peoples R China
2.China Acad Bldg Res, State Key Lab Bldg Safety & Environm, Beijing, Peoples R China
3.Chinese Acad Sci, Inst Proc Engn, State Key Lab Multiphase Complex Syst, Beijing, Peoples R China
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GB/T 7714
Deng, Gaofeng,Li, Zenghe,Wang, Zhichao,et al. Indoor/outdoor relationship of PM2.5 concentration in typical buildings with and without air cleaning in Beijing[J]. INDOOR AND BUILT ENVIRONMENT,2017,26(1):60-68.
APA Deng, Gaofeng.,Li, Zenghe.,Wang, Zhichao.,Gao, Jubao.,Xu, Zhaowei.,...&Wang, Zhiyong.(2017).Indoor/outdoor relationship of PM2.5 concentration in typical buildings with and without air cleaning in Beijing.INDOOR AND BUILT ENVIRONMENT,26(1),60-68.
MLA Deng, Gaofeng,et al."Indoor/outdoor relationship of PM2.5 concentration in typical buildings with and without air cleaning in Beijing".INDOOR AND BUILT ENVIRONMENT 26.1(2017):60-68.
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