Field Monitoring of the Natural Ventilation Rate of Residential Buildings in Beijing
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Determining ventilation rates is helpful to study indoor air quality (IAQ). This paper investigated the natural ventilation of three households in Beijing, using exhaled CO2 as the tracer gas to calculate and determine the ventilation rates. Also it considered ventilation conditions in different seasons, in different outdoor air quality, and in different outdoor temperatures. The results show that there are seasonal differences in window opening behavior, and outdoor temperature has a more significant effect on window opening behavior than that outdoor air quality. The data obtained in this study and its analysis is thought useful as a reference source for other studies of energy-saving ventilation systems.
KeywordsCO2 concentration Air change rate Natural ventilation Residential building
The research was supported financially by the National Project of the Ministry of Science and Technology, China, on Green Buildings and Building Industrialization under Grant No. 2016YFC0700501.
Ethical approval All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
Informed consent Informed consent was obtained from all individual participants included in the study.
Permissions Appropriate permissions from house owners were obtained for study in natural ventilation of household.
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