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대학교 기숙사 수면 시간대의 환기여부에 따른 실내공기질 차이분석
최윤정(Choi, Yoon Jung),이기연(Lee, Gi Yeon),백광현(Baek, Gwang Hyeon),강나은(Kang, Na Eun) 한국생활과학회 2017 한국생활과학회지 Vol.26 No.6
The purpose of this study was to find out the how ventilation affected the condition of indoor air quality during sleeping time in university housing and to propose plans for improving that air quality. Air quality measurements were taken in six rooms occupied by male students in university housing. Three sets of two rooms each on the same floor were studied, three with ventilation (control group) and three without ventilation (comparison group). CO, CO₂, PM<SUB>10</SUB>, HCHO were measured, as well as background readings for indoor temperature and relative humidity. Each field measurement was taken simultaneously in one set of two rooms on one night during the winter of 2016. The results showed that the CO₂ concentrations of the subjects were generally higher than the standard, but CO, PM<SUB>10</SUB> and HCHO concentrations were lower than standards. When the rooms were ventilated by opening the window, indoor temperature, relative humidity, and CO, CO₂ and HCHO levels dropped, but PM<SUB>10</SUB> concentration became higher. These results indicate that the installation of a ventilation system is needed for energy efficiency and residents’ health.