Articles | Volume 14, issue 2
https://doi.org/10.5194/gmd-14-675-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/gmd-14-675-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Model description paper
| 
02 Feb 2021
Model description paper |
| 02 Feb 2021
| 02 Feb 2021
PyCHAM (v2.1.1): a Python box model for simulating aerosol chambers
Simon Patrick O'Meara
Department for Earth and Environmental Sciences, University of Manchester, Manchester, M13 9PL, UK
National Centre for Atmospheric Science, University of Manchester, Manchester, M13 9PL, UK
Shuxuan Xu
Department for Earth and Environmental Sciences, University of Manchester, Manchester, M13 9PL, UK
David Topping
Department for Earth and Environmental Sciences, University of Manchester, Manchester, M13 9PL, UK
M. Rami Alfarra
Department for Earth and Environmental Sciences, University of Manchester, Manchester, M13 9PL, UK
National Centre for Atmospheric Science, University of Manchester, Manchester, M13 9PL, UK
Gerard Capes
Research Computing Services, University of Manchester, Manchester, M13 9PL, UK
Douglas Lowe
Research Computing Services, University of Manchester, Manchester, M13 9PL, UK
Yunqi Shao
Department for Earth and Environmental Sciences, University of Manchester, Manchester, M13 9PL, UK
Gordon McFiggans
CORRESPONDING AUTHOR
Department for Earth and Environmental Sciences, University of Manchester, Manchester, M13 9PL, UK
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Cited
14 citations as recorded by crossref.
- Characterisation of gaseous iodine species detection using the multi-scheme chemical ionisation inlet 2 with bromide and nitrate chemical ionisation methods X. He et al. https://doi.org/10.5194/amt-16-4461-2023
- Chemistry Across Multiple Phases (CAMP) version 1.0: an integrated multiphase chemistry model M. Dawson et al. https://doi.org/10.5194/gmd-15-3663-2022
- Process-level simulation of chemical composition, size distribution and cloud condensation nuclei of secondary organic aerosol from α-pinene ozonolysis Z. Song et al. https://doi.org/10.5194/acp-26-2769-2026
- MultilayerPy (v1.0): a Python-based framework for building, running and optimising kinetic multi-layer models of aerosols and films A. Milsom et al. https://doi.org/10.5194/gmd-15-7139-2022
- The INGENIOUS project: towards understanding air pollution in homes N. Carslaw et al. https://doi.org/10.1039/D4EM00634H
- Characterisation of the Manchester Aerosol Chamber facility Y. Shao et al. https://doi.org/10.5194/amt-15-539-2022
- Indoor air quality during cooking and cleaning: a modelling case study in a residential kitchen evaluated with real-world reference instrument measurements Y. Su et al. https://doi.org/10.1039/D5EM00987A
- Atmospherically Relevant Chemistry and Aerosol box model – ARCA box (version 1.2) P. Clusius et al. https://doi.org/10.5194/gmd-15-7257-2022
- How Microscale Flow and Vapor Transport Shape New Particle Formation and Growth K. Ghosh et al. https://doi.org/10.1021/acs.est.6c10206
- A theory-informed, experiment-based constraint on the rate of autoxidation chemistry – an analytical approach L. Pichelstorfer et al. https://doi.org/10.5194/ar-3-417-2025
- Controlled particle coating from β -caryophyllene photo-oxidation: An aerosol dynamics modeling–assisted chamber method M. Olin et al. https://doi.org/10.1080/02786826.2025.2498995
- Rapid Adaptive Optimization Model for Atmospheric Chemistry (ROMAC) v1.0 J. Li et al. https://doi.org/10.5194/gmd-16-6049-2023
- Mechanism Development and Evaluation of the Gas-Phase Photooxidation of Guaiacol: Insights from a Chamber Study R. Evans et al. https://doi.org/10.1021/acsestair.5c00420
- Chemical characteristics and environmental drivers of nitrogen-containing organic aerosol formation in coastal and inland urban atmospheres in Myanmar N. Zhang et al. https://doi.org/10.5194/acp-26-9793-2026
14 citations as recorded by crossref.
- Characterisation of gaseous iodine species detection using the multi-scheme chemical ionisation inlet 2 with bromide and nitrate chemical ionisation methods X. He et al. https://doi.org/10.5194/amt-16-4461-2023
- Chemistry Across Multiple Phases (CAMP) version 1.0: an integrated multiphase chemistry model M. Dawson et al. https://doi.org/10.5194/gmd-15-3663-2022
- Process-level simulation of chemical composition, size distribution and cloud condensation nuclei of secondary organic aerosol from α-pinene ozonolysis Z. Song et al. https://doi.org/10.5194/acp-26-2769-2026
- MultilayerPy (v1.0): a Python-based framework for building, running and optimising kinetic multi-layer models of aerosols and films A. Milsom et al. https://doi.org/10.5194/gmd-15-7139-2022
- The INGENIOUS project: towards understanding air pollution in homes N. Carslaw et al. https://doi.org/10.1039/D4EM00634H
- Characterisation of the Manchester Aerosol Chamber facility Y. Shao et al. https://doi.org/10.5194/amt-15-539-2022
- Indoor air quality during cooking and cleaning: a modelling case study in a residential kitchen evaluated with real-world reference instrument measurements Y. Su et al. https://doi.org/10.1039/D5EM00987A
- Atmospherically Relevant Chemistry and Aerosol box model – ARCA box (version 1.2) P. Clusius et al. https://doi.org/10.5194/gmd-15-7257-2022
- How Microscale Flow and Vapor Transport Shape New Particle Formation and Growth K. Ghosh et al. https://doi.org/10.1021/acs.est.6c10206
- A theory-informed, experiment-based constraint on the rate of autoxidation chemistry – an analytical approach L. Pichelstorfer et al. https://doi.org/10.5194/ar-3-417-2025
- Controlled particle coating from β -caryophyllene photo-oxidation: An aerosol dynamics modeling–assisted chamber method M. Olin et al. https://doi.org/10.1080/02786826.2025.2498995
- Rapid Adaptive Optimization Model for Atmospheric Chemistry (ROMAC) v1.0 J. Li et al. https://doi.org/10.5194/gmd-16-6049-2023
- Mechanism Development and Evaluation of the Gas-Phase Photooxidation of Guaiacol: Insights from a Chamber Study R. Evans et al. https://doi.org/10.1021/acsestair.5c00420
- Chemical characteristics and environmental drivers of nitrogen-containing organic aerosol formation in coastal and inland urban atmospheres in Myanmar N. Zhang et al. https://doi.org/10.5194/acp-26-9793-2026
Saved (final revised paper)
Latest update: 08 Sep 2026
Short summary
User-friendly and open-source software for simulating aerosol chambers is a valuable tool for research scientists in designing and analysing their experiments. This paper describes a new version of such software and will therefore provide a useful reference for those applying it. Central to the paper is an assessment of the software's accuracy through comparison against previously published simulations.
User-friendly and open-source software for simulating aerosol chambers is a valuable tool for...
