Mitigation of airborne transmission of COVID virus between occupants in a confined room with an air purifier

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作者信息关键词期刊信息基础信息归属信息摘要

成果类型：

期刊论文

作者：

Wang, Chenhua;Li, Chengjun;Yu, Chuck W.;Wang, Hanqing

通讯作者：

Li, CJ;Yu, CW

作者机构：

[Wang, Chenhua] Tianjin Univ, Sch Environm Sci & Engn, Tianjin, Peoples R China.

[Wang, Chenhua; Wang, Hanqing; Yu, Chuck W.; Li, Chengjun] Univ South China, Natl & Local Joint Engn Res Ctr forAirborne Pollut, Sch Civil Engn, Hengyang, Peoples R China.

[Wang, Hanqing; Li, Chengjun] Cent South Univ Forestry & Technol, Sch Civil Engn, Changsha 410211, Peoples R China.

[Wang, Hanqing; Li, Chengjun] Hunan Engn Res Ctr Full Life cycle Energy efficien, Changsha, Hunan, Peoples R China.

[Yu, Chuck W.] Int Soc Built Environm ISBE, Milton Keynes, England.

通讯机构：

[Yu, CW ] I

[Li, CJ ] C

Cent South Univ Forestry & Technol, Sch Civil Engn, Changsha 410211, Peoples R China.

Int Soc Built Environm ISBE, Milton Keynes, England.

语种：

英文

关键词：

Airborne transmission;Ventilation parameters;Air purifier;Risk mitigation;Computational fluid dynamics;COVID virus

期刊：

Indoor and Built Environment

ISSN：

1420-326X

年：

2023

卷：

期：

页码：

2034-2049

DOI：

10.1177/1420326X231158016

基金类别：

The author(s) disclosed receipt of the following financial support for the research, authorship, and/or publication of this article: This work was funded by the National Natural Science Foundation of China (Grant U1867221).

机构署名：

本校为其他机构

院系归属：

土木工程学院

摘要：

This study evaluated the effect of ventilation rate and air supply angle of an air purifier using computational fluid dynamics to determine the dispersion of airborne COVID virus exhaled by an infected person. The risk of infection for an occupant was determined based on the virus concentration in the active area and accumulated particle dose within the breathing zone by varying the ventilation parameters. The air purifier was found to provide a local dilution and would block the development of an expiratory jet for a short time to reduce transmission risk. Compared to the case without an air ...

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Mitigation of airborne transmission of COVID virus between occupants in a confined room with an air purifier

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