Articles | Volume 22, issue 7
https://doi.org/10.5194/acp-22-4509-2022
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the Creative Commons Attribution 4.0 License.
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https://doi.org/10.5194/acp-22-4509-2022
© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
07 Apr 2022
Research article |
| 07 Apr 2022
| 07 Apr 2022
Large-eddy-simulation study on turbulent particle deposition and its dependence on atmospheric-boundary-layer stability
Institute for Geophysics and Meteorology, University of Cologne, 50969 Cologne, Germany
Cong Jiang
Institute for Geophysics and Meteorology, University of Cologne, 50969 Cologne, Germany
Yaping Shao
Institute for Geophysics and Meteorology, University of Cologne, 50969 Cologne, Germany
Ning Huang
Key Laboratory of Mechanics on Disaster and Environment in Western
China, Lanzhou University, 730000 Lanzhou, China
College of Civil Engineering and Mechanics, Lanzhou University, 730000 Lanzhou, China
Key Laboratory of Mechanics on Disaster and Environment in Western
China, Lanzhou University, 730000 Lanzhou, China
College of Civil Engineering and Mechanics, Lanzhou University, 730000 Lanzhou, China
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Short summary
Through a series of numerical experiments using the large-eddy-simulation model, we have developed an improved particle deposition scheme that takes into account transient wind shear fluctuations. Statistical analysis of the simulation results shows that the shear stress can be well approximated by a Weibull distribution and that the new scheme provides more accurate predictions than the conventional scheme, particularly under weak wind conditions and strong convective atmospheric conditions.
Through a series of numerical experiments using the large-eddy-simulation model, we have...
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