A DNS study of aerosol and small-scale cloud turbulence interaction

Babkovskaia, Natalia; Rannik, Ullar; Phillips, Vaughan; Siebert, Holger; Wehner, Birgit; Boy, Michael

doi:https://doi.org/10.5194/acp-16-7889-2016

Articles | Volume 16, issue 12

https://doi.org/10.5194/acp-16-7889-2016

© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.

Special issue:

https://doi.org/10.5194/acp-16-7889-2016

© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.

Articles | Volume 16, issue 12

Research article

|

29 Jun 2016

Research article |

| 29 Jun 2016

A DNS study of aerosol and small-scale cloud turbulence interaction

Natalia Babkovskaia, Ullar Rannik, Vaughan Phillips, Holger Siebert, Birgit Wehner, and Michael Boy

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Jun 2016	39	15	2	56
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Feb 2017	11	4	1	16
Mar 2017	26	12	4	42
Apr 2017	29	9	2	40
May 2017	24	12	1	37
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Jul 2018	7	3	0	10
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Cumulative views and downloads (calculated since 22 Jan 2016)

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Feb 2016	51	12	2	65
Mar 2016	30	10	0	40
Apr 2016	13	2	0	15
May 2016	21	5	0	26
Jun 2016	39	15	2	56
Jul 2016	65	20	1	86
Aug 2016	26	10	0	36
Sep 2016	17	7	0	24
Oct 2016	10	0	10
Nov 2016	5	2	0	7
Dec 2016	3	1	0	4
Jan 2017	13	7	1	21
Feb 2017	11	4	1	16
Mar 2017	26	12	4	42
Apr 2017	29	9	2	40
May 2017	24	12	1	37
Jun 2017	17	7	4	28
Jul 2017	13	8	0	21
Aug 2017	14	11	2	27
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Oct 2017	18	11	1	30
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Jan 2018	13	13	0	26
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Mar 2018	17	13	1	31
Apr 2018	11	6	1	18
May 2018	17	9	1	27
Jun 2018	14	9	0	23
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Short summary

Turbulence, aerosol growth and microphysics of hydrometeors in clouds are intimately coupled. A new modelling approach was applied to quantify this linkage. We study the interaction in the cloud area under transient, high supersaturation conditions, using direct numerical simulations. Analysing the effect of aerosol dynamics on the turbulent kinetic energy and on vertical velocity, we conclude that the presence of aerosol has an effect on vertical motion and tends to reduce downward velocity.