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Atmospheric Chemistry and Physics An interactive open-access journal of the European Geosciences Union
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Volume 17, issue 17
Atmos. Chem. Phys., 17, 10477–10494, 2017
https://doi.org/10.5194/acp-17-10477-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.
Atmos. Chem. Phys., 17, 10477–10494, 2017
https://doi.org/10.5194/acp-17-10477-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.

Research article 07 Sep 2017

Research article | 07 Sep 2017

An efficient approach for treating composition-dependent diffusion within organic particles

Simon O'Meara et al.

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Model Code and MOSAIC Results for the Paper ``An efficient approach for treating composition-dependent diffusion within organic particles'' S. O'Meara, D. Topping, R. Zaveri, and G. McFiggans https://github.com/simonom/Dcorr

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Short summary
To simulate particle-phase diffusion, an analytical expression is desired because it takes less calculation time than a differential equation. Here a correction is found for the analytical solution for when diffusivity is dependent on composition, thereby making it more widely applicable than before. Consequently, we are able to more realistically evaluate the rate limitation (if any) imposed by particle-phase diffusion on component partitioning between the gas and particle phase.
To simulate particle-phase diffusion, an analytical expression is desired because it takes less...
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