Development of Finite-Amplitude Disturbances in Poiseuille Flow

  • M. P. Ramazanov
Part of the International Union of Theoretical and Applied Mechanics book series (IUTAM)


The process of three-dimensional distortion of previously two-dimensional disturbances was investigated in a rectangular channel. For the first time the three-dimensional structures at the breakdown station of the two-dimensional wave were studied by flow visualization. It was shown that the structures have forms identical to ∧ -shaped vortices in a boundary layer of the flat plate. The spanwise spacing of the ∧ -shaped vortices is quite independent of the mean flow velocity and of the frequency of artificial disturbances.


Resonant Interaction Flat Plate Boundary Layer Plane Poiseuille Flow Shaped Vortex Spanwise Spacing 
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Copyright information

© Springer-Verlag, Berlin, Heidelberg 1985

Authors and Affiliations

  • M. P. Ramazanov
    • 1
  1. 1.Institute of Theoretical and Applied MechanicsUSSR Academy of SciencesNovosibirskUSSR

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