Technical note: The enhancement limit of coagulation scavenging of small charged particles

Mahfouz, Naser G. A.; Donahue, Neil M.

doi:https://doi.org/10.5194/acp-21-3827-2021

Articles | Volume 21, issue 5

https://doi.org/10.5194/acp-21-3827-2021

© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/acp-21-3827-2021

© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 21, issue 5

Technical note

|

15 Mar 2021

Technical note |

| 15 Mar 2021

Technical note: The enhancement limit of coagulation scavenging of small charged particles

Naser G. A. Mahfouz and Neil M. Donahue

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Final revised paper (published on 15 Mar 2021)
Preprint (discussion started on 28 Oct 2020)

Interactive discussion

Status: closed

AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment

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RC1: 'Review of Mahfouz et al.', Anonymous Referee #1, 20 Nov 2020
RC2: 'Review of manuscript by Mahfouz and Donahue', Anonymous Referee #2, 12 Jan 2021
AC1: 'Comment on acp-2020-943', Naser G. A. Mahfouz, 18 Jan 2021

Peer-review completion

AR: Author's response | RR: Referee report | ED: Editor decision

AR by Naser Mahfouz on behalf of the Authors (18 Jan 2021) Author's response Manuscript

ED: Referee Nomination & Report Request started (20 Jan 2021) by Veli-Matti Kerminen

RR by Anonymous Referee #2 (26 Jan 2021)

ED: Publish as is (26 Jan 2021) by Veli-Matti Kerminen

AR by Naser Mahfouz on behalf of the Authors (26 Jan 2021)

Short summary

In this technical note, we show that the limit of the coagulation scavenging enhancement of charged particles is asymptotically 2; that is, at the limit, charged particles are lost at twice the rate of their neutral counterparts. This has serious implications for aerosol particle survivability where ions play a role in nucleation and growth. Such cases can happen readily in experiments and cannot be neglected in the atmosphere.