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Numerical simulation of Brownian coagulation under turbulent mixing conditions

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Abstract

Brownian coagulation under turbulent mixing conditions is considered. The aerosol kinetics module integrated into the three-dimensional hydrodynamic model describing the process of turbulent mixing on the basis of large-eddy simulation makes it possible to show that the mixing of air masses containing different-sized aerosol particles intensifies the coagulation processes. It is demonstrated that the use of Reynolds-averaged hydrodynamic equations, which are widely used for the simulation of turbulent flows, can lead to a significant underestimation of coagulation rates.

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Authors and Affiliations

  1. Eastern European Lead Research and Design Institute of Energy Technologies, ul. Savushkina 82, St. Petersburg, 197183, Russia

    M. A. Zatevakhin & A. A. Ignatyev

  2. Main Geophysical Observatory, ul. Karbysheva 7, St. Petersburg, 194021, Russia

    V. A. Govorkova

Authors
  1. M. A. Zatevakhin
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  2. A. A. Ignatyev
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  3. V. A. Govorkova
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Correspondence to M. A. Zatevakhin.

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Zatevakhin, M.A., Ignatyev, A.A. & Govorkova, V.A. Numerical simulation of Brownian coagulation under turbulent mixing conditions. Izv. Atmos. Ocean. Phys. 51, 148–155 (2015). https://doi.org/10.1134/S0001433815010132

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  • DOI: https://doi.org/10.1134/S0001433815010132

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