초 · 중 · 고등학교의 이산화탄소 농도 및 환기량 평가Evaluation of Carbon Dioxide Concentrations and Ventilation Rates in Elementary, Middle, and High Schools
- Other Titles
- Evaluation of Carbon Dioxide Concentrations and Ventilation Rates in Elementary, Middle, and High Schools
- Authors
- 최영태; 허정; 박진현; 김은채; 류현수; 김동준; 조만수; 이채관; 이종대; 양원호
- Issue Date
- 2020
- Publisher
- 한국환경보건학회
- Keywords
- School; classroom; carbon dioxide; ventilation rate; air change per hour
- Citation
- 한국환경보건학회지, v.46, no.3, pp 344 - 352
- Pages
- 9
- Journal Title
- 한국환경보건학회지
- Volume
- 46
- Number
- 3
- Start Page
- 344
- End Page
- 352
- URI
- https://scholarworks.bwise.kr/sch/handle/2021.sw.sch/3477
- ISSN
- 1738-4087
2233-8616
- Abstract
- Objectives: Much attention has been paid to indoor air quality. Ventilation within schools is important because of indoor air quality and its effect on health and learning performance. In this study, we evaluated the carbon dioxide (CO2) concentrations and ventilation rates in schools.
Methods: This study measured the concentration of CO2 in elementary, middle, and high school classrooms over six months. The seasons during the study were summer, fall, and winter. Sensor-based monitoring was used and the basic characteristics of the classroom were investigated. The body surface area of the students was used to calculate the CO2 generation rate, and the air change per hour (ACH) was evaluated using mass balance modeling.
Results: The average CO2 concentration measured in most schools exceeded 1000 ppm. The ventilation rates varied from season to season. Compared to the recommended ventilation rate of 4.9 ACH, the roughly 3 ACH calculated in this study indicates that most schools possessed insufficient ventilation.
Conclusions: The concentration of CO2 in school classrooms could be an indicator of indoor air quality and can affect students' learning ability. In this study, CO2 concentrations exceeding the standard indicate a lack of ventilation along with problems with indoor air quality. Therefore, appropriate improvements are needed to overcome these problems.
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Collections - College of Natural Sciences > Department of Environmental Health Science > 1. Journal Articles
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