A Model for Airborne Poli-Dispersive Particle Transport and Deposition

  • Michail V. Galperin
  • Dimiter E. Syrakov
Part of the NATO • Challenges of Modern Society book series (NATS, volume 22)


According to Stokes law which is well fulfilled within the range of 0.1–30 μm, the velocity of gravitational deposition (sedimentation) and scavenging with precipitation for particles is proportional to their surface area, i. e. to D 2 (D - particle size). With D less than 0.1 μm, their behavior is similar to that of “weightless” gas molecules and the velocities of surface dry deposition and the efficiency of particle captures by precipitation increasing.


Sedimentation Velocity Settling Velocity Free Atmosphere Rain Intensity Gravitational Settling 
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Copyright information

© Springer Science+Business Media New York 1998

Authors and Affiliations

  • Michail V. Galperin
    • 1
  • Dimiter E. Syrakov
    • 2
  1. 1.Hydrometeorological Research Centre of Russian FederationMoscowRussia
  2. 2.National Institute of Meteorology and HydrologySofiaBulgaria

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