Comparison of indoor aerosol particle concentration and deposition in different ventilated rooms by numerical method
Zhao, B., Zhang, Y., Li, X., Yang, X. and Huang, D.
2004
Building and Environment, 39(1): 1-8
Zhao, B., Zhang, Y., Li, X., Yang, X. and Huang, D., (2004), "Comparison of indoor aerosol particle concentration and deposition in different ventilated rooms by numerical method", Building and Environment, 39(1): 1-8.
| Abstract: |
| The air movement and aerosol particle concentration and deposition in displacement and mixing ventilation rooms are studied numerically. The discrete trajectory model is adopted to simulate particle tracks while the Eulerian method for solving the continuous fluid flow is combined and validated by the case from literature. The results show that particle deposition and concentration are mainly influenced by the ventilation conditions. For the same particle properties, a displacement ventilated room has a lower particle deposition rate and larger escaped particle mass than the mixing one, while the average particle concentration of the displacement case is higher than the mixing case. It is also found that particles with different sizes (1, 2.5, 5 and 10 m) have different movements in the two ventilated rooms. |
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