Articles | Volume 19, issue 2
Atmos. Chem. Phys., 19, 1241–1261, 2019
https://doi.org/10.5194/acp-19-1241-2019
Atmos. Chem. Phys., 19, 1241–1261, 2019
https://doi.org/10.5194/acp-19-1241-2019

Research article 31 Jan 2019

Research article | 31 Jan 2019

Modeling the effect of non-ideality, dynamic mass transfer and viscosity on SOA formation in a 3-D air quality model

Youngseob Kim et al.

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Latest update: 30 Nov 2021
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Short summary
Assumptions (ideality and thermodynamic equilibrium) commonly made in 3-dimensional air quality models were reconsidered to evaluate their impacts on secondary organic aerosol (SOA) formation. Non-ideality (short-, medium- and long-range interactions of organics and inorganics) influences SOA concentrations by about 30 % over Europe. If SOA are highly viscous rather than inviscid, hydrophobic SOA concentrations increase by 6 % but can increase by an order of magnitude for volatile compounds.
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