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Title: On the coagulation efficiency of carbonaceous nanoparticles
Authors: Hou, Dingyu
Zong, Diyuan
Lindberg, Casper S.
Kraft, Markus
You, Xiaoqing
Keywords: Engineering::Chemical engineering
Issue Date: 2019
Source: Hou, D., Zong, D., Lindberg, C. S., Kraft, M. & You, X. (2019). On the coagulation efficiency of carbonaceous nanoparticles. Journal of Aerosol Science, 140, 105478-.
Journal: Journal of Aerosol Science
Abstract: In this paper we derived the interaction energy between two spherical nanoparticles from the pair-wise Lennard-Jones attractive and repulsive potentials of the constituent atoms of the two particles, and proposed a coagulation efficiency model based on the average particle kinetic energy and the potential well depth (i.e. the minimum interaction energy) between two colliding particles. To test the performance of this new coagulation efficiency model, we applied it in detailed population balance modelling of soot particle size distributions (PSDs), and found better agreement with the measured PSDs in a benchmark premixed ethylene flame than that using the unit coagulation efficiency, especially in the range of small particles with mobility diameter less than 5 nm. Moreover, the agreement between the computed and the measured primary particle size distribution (PPSD) was also improved with the new coagulation efficiency model.
ISSN: 0021-8502
DOI: 10.1016/j.jaerosci.2019.105478
Rights: © 2019 Elsevier Ltd. All rights reserved. This paper was published in Journal of Aerosol Science and is made available with permission of Elsevier Ltd.
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:SCBE Journal Articles

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