Atmospheric Chemistry and Physics
Atmospheric Chemistry and Physics
ACP
Articles | Volume 22, issue 14
Articles | Volume 22, issue 14
https://doi.org/10.5194/acp-22-9525-2022
© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/acp-22-9525-2022
© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 22, issue 14
Research article
 | 
22 Jul 2022
Research article |  | 22 Jul 2022

Impact of turbulence on aeolian particle entrainment: results from wind-tunnel experiments

Jie Zhang, Guang Li, Li Shi, Ning Huang, and Yaping Shao

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Short summary
Sand and dust emission are usually investigated by wind-tunnel experiments. However, wind-tunnel flows are usually neutrally stratified without large eddies, which typically develop in the convective atmospheric boundary layer. Here we proposed a novel technique by deploying a piece of randomly fluttering cloth in a wind tunnel to generate the large eddies and found them to enhance the entrainment of sand and dust particles, which explains why large eddies are important to aeolian entrainment.
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