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Modeling of impurity cloud propagation under the action of wind in the ground layer

  • Hydrogasdynamics in Technological Processes
  • Published:
Journal of Engineering Physics and Thermophysics Aims and scope

A qualitative analysis and numerical modeling of two- and three-dimensional problems on stationary propagation of a gas impurity under the action of the wind are carried out. It is shown that vertical turbulent diffusion is a major channel of impurity dispersion. A comparison with the data of proving-ground tests confirmed this conclusion. An analytical expression is obtained for the characteristic length of impurity scattering that amounts to about 10–15 m, and it is shown that this length is independent of the wind velocity and is determined by the properties of the underlying soil surface.

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Authors and Affiliations

  1. Command-Engineering Institute, Ministry for Emergency Situations of the Republic of Belarus, 25 Mashinostroiteli Str., Minsk, 220118, Belarus

    G. V. Kotov

  2. A. V. Luikov Heat and Mass Transfer Institute, National Academy of Sciences of Belarus, 15 P. Brovka Str., Minsk, 220072, Belarus

    S. P. Fisenko

Authors
  1. G. V. Kotov
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  2. S. P. Fisenko
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Correspondence to S. P. Fisenko.

Additional information

Translated from Inzhenerno-Fizicheskii Zhurnal, Vol. 84, No. 3, pp. 535–539, May–June, 2011.

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Kotov, G.V., Fisenko, S.P. Modeling of impurity cloud propagation under the action of wind in the ground layer. J Eng Phys Thermophy 84, 579–584 (2011). https://doi.org/10.1007/s10891-011-0507-7

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  • DOI: https://doi.org/10.1007/s10891-011-0507-7

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