Articles | Volume 19, issue 17
https://doi.org/10.5194/amt-19-5815-2026
https://doi.org/10.5194/amt-19-5815-2026
Research article
 | 
14 Sep 2026
Research article |  | 14 Sep 2026

Performance modeling of a small mixing-type condensation particle counter

Jitong Zhou, Gehang Huang, Fajun Yu, Xiaoqi Lei, Xiujuan Wang, Huaqiao Gui, Huanqin Wang, and Da-Ren Chen

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Cited articles

Balendra, S., Kale, A., Pongetti, J., Kazemimanesh, M., Haugen, M., Weller, L., and Boies, A.: Condensation particle counters: Exploring the limits of miniaturisation, J. Aerosol Sci., 175, 106266, https://doi.org/10.1016/j.jaerosci.2023.106266, 2023. 
Barmpounis, K., Ranjithkumar, A., Schmidt-Ott, A., Attoui, M., and Biskos, G.: Enhancing the detection efficiency of condensation particle counters for sub-2 nm particles, J. Aerosol Sci., 117, 44–53, https://doi.org/10.1016/j.jaerosci.2017.12.005, 2017. 
Bates, T. S., Quinn, P. K., Johnson, J. E., Corless, A., Brechtel, F. J., Stalin, S. E., Meinig, C., and Burkhart, J. F.: Measurements of atmospheric aerosol vertical distributions above Svalbard, Norway, using unmanned aerial systems (UAS), Atmos. Meas. Tech., 6, 2115–2120, https://doi.org/10.5194/amt-6-2115-2013, 2013. 
Fisenko, S. P., Wang, W., Lenggoro, I. W., and Okuyama, K.: Vapor condensation on nanoparticles in the mixer of a particle size magnifier, Int. J. Heat Mass Tran., 50, 587–594, https://doi.org/10.1016/j.ijheatmasstransfer.2006.10.046, 2007. 
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Short summary
A numerical model for a mixing-type condensation particle counter (MCPC) was developed to map the performance for the ultrafine particle detection by varying its operational settings . It is found that a high temperature difference increases the vapor supersaturation and lowers the activation size of particles. Both the total flow rate and the vapor-fraction affect the efficiency of particle condensation growth. This work outlines the future design guidance for small MCPCs.
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