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Generation of aerosol and droplets in binary mixtures of saturated water vapor with air and molecular gases

  • Optics of Clusters, Aerosols, and Hydrosoles
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Results of observation of the generation of aerosol particles and droplets in mixtures of saturated water vapor with air and molecular gases are described. The kinetics of generation of aerosol and droplets was studied in the absence of a monokinetic electron beam and under its influence on a gas mixed with supersaturated water vapor formed in the process of a controllable pressure discharge from a spherical chamber of 1.4 m diameter with the gas mixture into a vacuum reservoir ~40 m3 in volume. The generation kinetics was recorded by the low-angle laser beam scattering method (for droplets) and with an aerosol spectrometer (for particles). Experimental results show a significant dependence of droplet and particle generation on the ionizing radiation effect. The 3D computer simulation of the process of super-saturated water vapor condensation on ions by the lattice Boltzmann method (LBM) and molecular dynamics (MD) describes qualitatively the experimental results.

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Correspondence to A. V. Klimkin.

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Original Russian Text © A.V. Klimkin, A.N. Kuryak, Yu.N. Ponomarev, A.S. Kozlov, S.B. Malyshkin, A.K. Petrov, A.L. Kupershtokh, D.I. Karpov, D.A. Medvedev, 2015, published in Optika Atmosfery i Okeana.

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Klimkin, A.V., Kuryak, A.N., Ponomarev, Y.N. et al. Generation of aerosol and droplets in binary mixtures of saturated water vapor with air and molecular gases. Atmos Ocean Opt 29, 127–134 (2016).

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