| Issue |
E3S Web of Conf.
Volume 536, 2024
2024 6th International Conference on Environmental Prevention and Pollution Control Technologies (EPPCT 2024)
|
|
|---|---|---|
| Article Number | 03006 | |
| Number of page(s) | 6 | |
| Section | Gas Emission Control and Solid Waste Treatment | |
| DOI | https://doi.org/10.1051/e3sconf/202453603006 | |
| Published online | 10 June 2024 | |
Analysis of viral aerosol distribution characteristics in typical body positions of patients under local exhaust air
School of Municipal and Environmental Engineering, Shenyang Jianzhu University, Shenyang, Liaoning, China
a lixulin1981@163.com
*b Corresponding author: 2305573339@qq.com
c 1464676268@qq.com
d 861726584@qq.com
In this paper, CFD numerical simulation and experiment were used to simulate the diffusion process of human exhaled aerosol particles, and the influence of human lying down, sitting and standing posture on the diffusion of aerosol particles under local exhaust air conditions was studied. The results show that different body positions have significant effects on local exhaust air effect. Only 13.2% of the aerosol particles could be removed by local exhaust air in the lying state. The exclusion rate in sitting posture was 25.4%; The exclusion rate for standing posture was 20.6%. Local exhaust air alone is not enough to prevent infection. It is recommended to adopt the combination of mixed ventilation and local exhaust air, which may have a better effect on preventing cross infection, indoor particulate matter transmission and controlling pollution.
© The Authors, published by EDP Sciences, 2024
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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