NDLI: A Study of Nanoparticle Aerosol Charging by Monte Carlo Simulations

Content Provider	Springer Nature Link
Author	Maisels, Arkadi Jordan, Frank Einar Kruis, Frank Fissan, Heinz
Copyright Year	2003
Abstract	A Direct Simulation Monte Carlo (DSMC) technique is applied for describing the dynamics of aerosol charging. The method is based on the transformation of known combination coefficients into charging probabilities. Changes in the particle charge distribution are computed as a stochastic game, calculating the time-step after each event. The simulations are validated by comparison with analytical solutions for unipolar aerosol diffusion charging and aerosol photocharging. The advantage of the DSMC method lies in the uncomplicated simulation of multi-dimensional systems that would result in very elaborate population balances. The DSMC method is used for simulation of the photocharging of moderately concentrated bicomponent polydisperse aerosols. By means of this method, the influence of the particle parameters (size, material) on the dynamics of the charge distribution in different size and material fractions has been studied. It is shown that charge separation between size or material fractions can be achieved for aerosol components with dissimilar work functions, while the total aerosol charge is zero.
Starting Page	225
Ending Page	235
Page Count	11
File Format	PDF
ISSN	13880764
Journal	Journal of Nanoparticle Research
Volume Number	5
Issue Number	3-4
e-ISSN	1572896X
Language	English
Publisher	Kluwer Academic Publishers
Publisher Date	2003-01-01
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Inorganic Chemistry Physical Chemistry Characterization and Evaluation Materials Applied Optics, Optoelectronics, Optical Devices
Content Type	Text
Resource Type	Article
Subject	Chemistry Nanoscience and Nanotechnology Atomic and Molecular Physics, and Optics Condensed Matter Physics Bioengineering Modeling and Simulation

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