Abstract
The results of experimental research into the impact of corona-discharge-generated ions on the evolution of the spectrum of nanometer-size aerosol particles are presented. It is shown that the generation of a corona discharge in the absence of the formed airborne dispersion is accompanied by the spectrum shift of aerosol sizes toward an increase in their average size. It was also shown that the degree of impact of the corona discharge upon the evolution of aerosol spectral composition is mainly determined by local humidity. Furthermore, the generation of a corona discharge is accompanied by the formation of new fine aerosols (less than 3 nm), the concentration of which exceeds the ambient concentration by an order of magnitude (more than 105 1/cm3). The effect of the unipolar corona discharge on the particle spectrum in the aerosol chamber, filled with water aerosol (fog), was elucidated, namely, a decrease in aerosol concentration to the complete disappearance of all aerosols including those in the nanometer range, was observed.
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Original Russian Text © V.B. Lapshin, A.A. Paley, A.V. Balyshev, I.A. Boldyrev, S.N. Dubtsov, L.I. Tolpygin, 2012, published in Optica Atmosfery i Okeana.
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Lapshin, V.B., Paley, A.A., Balyshev, A.V. et al. Evolution of nanometer-size aerosol in dry and humid environment under the influence of corona discharge. Atmos Ocean Opt 25, 171–175 (2012). https://doi.org/10.1134/S1024856012020108
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DOI: https://doi.org/10.1134/S1024856012020108