ArticleJournal of environmental sciences (China)2021
Control of exhaled SARS-CoV-2-laden aerosols in the interpersonal breathing microenvironment in a ventilated room with limited space air stability.
Article in Journal of environmental sciences (China), 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed.
- Article
- An overview of SARS-CoV-2 transmission and engineering strategies to mitigate risk.Journal of building engineering · 2023Review
- A review on indoor airborne transmission of COVID-19- modelling and mitigation approaches.Journal of building engineering · 2023Review
- Airborne infection risk of inter-unit dispersion through semi-shaded openings: A case study of a multi-storey building with external louvers.Building and environment · 2022Article
- Ventilation Performance Evaluation of a Negative-Pressurized Isolation Room for Emergency Departments.Healthcare (Basel, Switzerland) · 2022Article
- The Effect of Sanitizing Treatments on Respirator Filtration Performance.International journal of environmental research and public health · 2022Article
- Multizonal modeling of SARS-CoV-2 aerosol dispersion in a virtual office building.Building and environment · 2021Article
- The Interplay between Housing Environmental Attributes and Design Exposures and Psychoneuroimmunology Profile-An Exploratory Review and Analysis Paper in the Cancer Survivors' Mental Health Morbidity Context.International journal of environmental research and public health · 2021Review
Corrections and comments
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Authors and funding
5 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The Coronavirus Disease 2019 (COVID-19) highlights the importance of understanding and controlling the spread of the coronavirus between persons. We experimentally and numerically investigated an advanced engineering and environmental method on controlling the transmission of airborne SARS-CoV-2-laden aerosols in the breathing microenvironment between two persons during interactive breathing process by combining the limited space air stability and a ventilation method. Experiments were carried out in a full-scale ventilated room with different limited space air stability conditions, i.e., stable condition, neutral condition and unstable condition. Two real humans were involved to conducted normal breathing process in the room and the exhaled carbon dioxide was used as the surrogate of infectious airborne SARS-CoV-2-laden aerosols from respiratory activities. A correspondent numerical model was established to visualize the temperature field and contaminated field in the test room. Results show that the performance of a ventilation system on removing infectious airborne SARS-CoV-2-laden aerosols from the interpersonal breathing microenvironment is dependent on the limited space air stability conditions. Appropriate ventilation method should be implemented based on an evaluation of the air condition. It is recommended that total volume ventilation methods are suitable for unstable and neutral conditions and local ventilation methods are preferable for stable conditions. This study provides an insight into the transmission of airborne SARS-CoV-2-laden aerosols between persons in ventilated rooms with different limited space air stability conditions. Useful guidance has been provided to cope with COVID-19 in limited spaces.
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