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Article

Natural Ventilation Potential of Residential Buildings in China Considering the Combined Effect of Indoor and Outdoor Air Pollution

1
College of Civil Engineering and Architecture, Wenzhou University, Wenzhou 325035, China
2
Zhejiang International Science and Technology Cooperation Base of Ultra-Soft Soil Engineering and Smart Monitoring, Wenzhou 325035, China
3
Wenzhou Engineering Technical Research Center on Building Energy Conservation and Emission Reduction & Diaster Prevention and Mitigation, Wenzhou 325035, China
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Wenzhou Key Laboratory of Traffic Piezoelectric Engineering Technology, Wenzhou 325035, China
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School of the Built Environment, University of Reading, Reading RG6 6EN, UK
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Key Laboratory of Engineering and Technology for Soft Soil Foundation and Tideland Reclamation of Zhejiang Province, Wenzhou 325035, China
7
Zhejiang Collaborative Innovation Center of Tideland Reclamation and Ecological Protection, Wenzhou 325035, China
*
Author to whom correspondence should be addressed.
Buildings 2024, 14(2), 363; https://doi.org/10.3390/buildings14020363
Submission received: 26 November 2023 / Revised: 9 January 2024 / Accepted: 13 January 2024 / Published: 29 January 2024
(This article belongs to the Section Building Energy, Physics, Environment, and Systems)

Abstract

With its rapid economic development, China has had to confront the serious issues of high energy consumption and air pollution. Natural ventilation is regarded as an effective method to reduce building energy consumption, but it is largely influenced by indoor and outdoor air pollution. However, most of the previous studies estimating natural ventilation potential (NVP) in China do not consider air pollution. This research estimated the NVP for residential buildings in major cities from four climate regions in China (Guangzhou, Chengdu, Shanghai, Beijing, and Shenyang) while considering the combined effect of indoor and outdoor air pollution. We compared the yearly NVP in three different scenarios, namely without considering air pollution, only considering outdoor air pollution, and considering both outdoor and indoor air pollution. The results show that Guangzhou had the highest yearly NVP, followed by Shanghai, Beijing, Shenyang, and Chengdu. The impact of air pollution could reduce the annual NVP in China by 78–95%. In addition, the main factors causing a low NVP differed between the four cities. The key factors for Chengdu and Guangzhou were natural ventilation flow rate and indoor air pollution, respectively. Beijing and Shenyang were mostly influenced by outdoor air pollution. Shanghai had two main factors with similar influence degrees, namely outdoor air pollution and indoor air pollution. The findings of this study will guide architects and policymakers in better forming natural ventilation strategies.
Keywords: natural ventilation potential; residential building; air pollution; natural ventilation hours; pressure difference Pascal hours natural ventilation potential; residential building; air pollution; natural ventilation hours; pressure difference Pascal hours

Share and Cite

MDPI and ACS Style

Lin, B.; Xie, C.; Chen, Y.; Xu, X. Natural Ventilation Potential of Residential Buildings in China Considering the Combined Effect of Indoor and Outdoor Air Pollution. Buildings 2024, 14, 363. https://doi.org/10.3390/buildings14020363

AMA Style

Lin B, Xie C, Chen Y, Xu X. Natural Ventilation Potential of Residential Buildings in China Considering the Combined Effect of Indoor and Outdoor Air Pollution. Buildings. 2024; 14(2):363. https://doi.org/10.3390/buildings14020363

Chicago/Turabian Style

Lin, Bo, Changhong Xie, Yan Chen, and Xu Xu. 2024. "Natural Ventilation Potential of Residential Buildings in China Considering the Combined Effect of Indoor and Outdoor Air Pollution" Buildings 14, no. 2: 363. https://doi.org/10.3390/buildings14020363

APA Style

Lin, B., Xie, C., Chen, Y., & Xu, X. (2024). Natural Ventilation Potential of Residential Buildings in China Considering the Combined Effect of Indoor and Outdoor Air Pollution. Buildings, 14(2), 363. https://doi.org/10.3390/buildings14020363

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