Wang, Xinru and Xia, Liang and Pei, Fei and Wang, Zu and Liu, Yiqiao and Chang, Li and Pan, Song (2023) The characteristics of particulate matter in different subway station environmental control systems. Heliyon, 9 (9). ISSN 2405-8440, DOI https://doi.org/10.1016/j.heliyon.2023.e20116.
Full text not available from this repository.Abstract
Particulate matter (PM2.5, PM10) in urban subway stations can significantly impact passengers' health. The particle concentration in subway stations is influenced by many factors. However, few existing studies have explored the impact of environmental control systems in-depth, especially under different outdoor pollution conditions. To address this research gap, this study focused on measuring and comparing the characteristics of PM2.5 and PM10 at subway stations with three control systems (open, closed, and screen door) under varying pollution conditions in Beijing. Particle concentrations from platforms, carriages, and outdoors were monitored and analyzed using statistical methods. The results showed that the particle concentration in the closed system was generally 20-40 mu g/m3 higher than that in the screen system at the platform, which might be attributed to the piston wind, as the air from the tunnel with a lot of dirt. The pollution in the carriage was more severe for the open system than that of the screen system. The PM2.5/PM10 ratio in the carriage was 91%, 90%, and 83.84% for the closed, open, and screen systems, respectively. This indicates that the screen door could reduce the particle concentration in the platform to 10%-50%. The particle concentration varied among subway stations with different environmental control systems, suggesting that the prevention and control strategies for particulate matter pollution should be different for stations with different systems.
| Item Type: | Article |
|---|---|
| Funders: | National Natural Science Foundation of China (NSFC) (52278121), Key Laboratory for Comprehensive Energy Saving of Cold Regions Architecture of Ministry of Education, Jilin Jianzhu University in Changchun Province (JLJZHDKF202206) |
| Uncontrolled Keywords: | Particulate matter; PM10; PM2.5; Environmental control system; Subway station |
| Subjects: | T Technology > TA Engineering (General). Civil engineering (General) T Technology > TJ Mechanical engineering and machinery |
| Divisions: | Faculty of Engineering > Department of Mechanical Engineering |
| Depositing User: | Ms. Juhaida Abd Rahim |
| Date Deposited: | 08 Sep 2025 01:58 |
| Last Modified: | 08 Sep 2025 01:58 |
| URI: | http://eprints.um.edu.my/id/eprint/50643 |
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