Articles | Volume 18, issue 4
https://doi.org/10.5194/acp-18-2431-2018
https://doi.org/10.5194/acp-18-2431-2018
Research article
 | 
19 Feb 2018
Research article |  | 19 Feb 2018

A simple model for the time evolution of the condensation sink in the atmosphere for intermediate Knudsen numbers

Ekaterina Ezhova, Veli-Matti Kerminen, Kari E. J. Lehtinen, and Markku Kulmala

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Latest update: 12 Nov 2024
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Short summary
A condensation sink (CS) quantifies the rate of uptake of condensing vapours by pre-existing aerosol and can be used as well to quantify losses of monomers/clusters. An analytical solution of the condensation equation valid in a wide range of particle diameters is presented. We describe the dynamics of atmospheric CS, test the formulas against field observations and further use them to develop a simplified model of the coupled dynamics of aerosol and condensing vapours in the atmosphere.
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