Articles | Volume 16, issue 19
Atmos. Chem. Phys., 16, 12441–12455, 2016
https://doi.org/10.5194/acp-16-12441-2016
Atmos. Chem. Phys., 16, 12441–12455, 2016
https://doi.org/10.5194/acp-16-12441-2016

Research article 05 Oct 2016

Research article | 05 Oct 2016

Reynolds-number dependence of turbulence enhancement on collision growth

Ryo Onishi and Axel Seifert

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Latest update: 28 Oct 2021
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Short summary
This study includes massively parallel simulation results on droplet collisions in turbulence. The attained maximum Taylor-microscale-based Reynolds number (Re) exceeds 103, which steps into the typical range (O(103)–O(104)) of observed Re in turbulent clouds. The results clearly show that the Re dependence of turbulence enhancement on droplet collision growth is relevant for cloud microphysics modeling. This will promote the discussion on the Re dependence of turbulent collision statistics.
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