Technical note: Equilibrium droplet size distributions in a turbulent cloud chamber with uniform supersaturation

Krueger, Steven K.

doi:https://doi.org/10.5194/acp-20-7895-2020

Articles | Volume 20, issue 13

https://doi.org/10.5194/acp-20-7895-2020

© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/acp-20-7895-2020

© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 20, issue 13

Technical note

|

08 Jul 2020

Technical note |

| 08 Jul 2020

Technical note: Equilibrium droplet size distributions in a turbulent cloud chamber with uniform supersaturation

Steven K. Krueger

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Final revised paper (published on 08 Jul 2020)
Preprint (discussion started on 18 Nov 2019)

Interactive discussion

Status: closed

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

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RC1: 'Comments on ``Technical Note: Equilibrium droplet size distributions in a turbulent cloud chamber with uniform supersaturation" by Steven K. Krueger', Anonymous Referee #2, 18 Nov 2019
RC2: 'Review of Krueger (2019)', Anonymous Referee #1, 19 Nov 2019
AC1: 'Responses to reviewers', S. Krueger, 20 Apr 2020

Peer-review completion

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

AR by S. Krueger on behalf of the Authors (20 Apr 2020) Author's response Manuscript

ED: Publish as is (02 May 2020) by Hang Su

AR by S. Krueger on behalf of the Authors (17 May 2020) Manuscript

Short summary

When CCN are injected into a turbulent cloud chamber at a constant rate, and the rate of droplet activation is balanced by the rate of droplet fallout, a steady-state droplet size distribution (DSD) can be achieved. Analytic DSDs and PDFs of droplet radius were derived for such conditions when there is uniform supersaturation. Given the chamber height, the analytic PDF is determined by the supersaturation alone. This could allow one to infer the supersaturation that produced a measured PDF.