Technical Physics Letters

, Volume 43, Issue 9, pp 821–824 | Cite as

Flow structure in three-dimensional waves on a vertically falling liquid film

  • A. Z. Kvon
  • A. V. Bobylev
  • V. V. Guzanov
  • S. M. Kharlamov
  • D. M. Markovich
Article
  • 25 Downloads

Abstract

We have simultaneously measured the velocity vector and film thickness fields in three-dimensional (3D) waves formed upon the decay of regular 2D waves on a liquid film flowing down a vertical plate. Velocity fields at various distances from the plate surface in various regions of a 3D wave are constructed. It is shown that the liquid flow in the wave has a complex structure with regions of backflow and spanwise streams, which mainly occur under the main crest of the wave.

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Copyright information

© Pleiades Publishing, Ltd. 2017

Authors and Affiliations

  • A. Z. Kvon
    • 1
    • 2
  • A. V. Bobylev
    • 1
    • 2
  • V. V. Guzanov
    • 1
    • 2
  • S. M. Kharlamov
    • 1
    • 2
  • D. M. Markovich
    • 1
    • 2
  1. 1.Kutateladze Institute of Thermophysics, Siberian BranchRussian Academy of SciencesNovosibirskRussia
  2. 2.Novosibirsk State UniversityNovosibirskRussia

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