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Please use this identifier to cite or link to this item: http://hdl.handle.net/10261/43812
Title: Diffusion charging of aerosol nanoparticles with an excess of bipoloar ion
Authors: Alonso Gámez, Manuel; Hernandez-Sierra, Aurora; Alguacil, Francisco José
Keywords: Aerosols and foams
Diffusion in nanoscale solids
Issue Date: 2002
Publisher: Institute of Physics Publishing
Citation: Journal of Physics A: Mathematical and General 35 (30) : 6272-6280 (2002)
Abstract: The equations of diffusion charging of aerosol particles in a bipolar ion environment have no analytical transient solution. Such a solution can, however, be obtained in the special but important case of a relatively high ion concentration and aerosols with a particle size of a few nanometres, for which the probability of multiple charging is vanishingly small. The analytical transient solution obtained has an application to nanoaerosol particle size distribution measurement by electric mobility analysis. It also allows determination of the mean aerosol residence time required to attain the stationary charge distribution as a function of the ion concentration and physical properties (mass, mobility), this result having a practical application to the design of charging devices for aerosol nanoparticles
Publisher version (URL): http://dx.doi.org/10.1088/0305-4470/35/30/305
URI: http://hdl.handle.net/10261/43812
DOI: 10.1088/0305-4470/35/30/305
ISSN: 0305-4470
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