Dynamics of a Chain of Coupled Wakes

  • J. F. Ravoux
  • P. Legal
  • P. M. Chauve
  • Y. Takeda
Conference paper
Part of the Fluid Mechanics and its Applications book series (FMIA, volume 36)

Abstract

This paper is devoted to experimental and analytical investigations concerning a one dimensionnal assembly of coupled oscillators, namely Bénard-Von Karman vortex wakes. The latter are shed by parallel identical and equidistant cylinders placed side by side in a row perpendicular to a uniform flow. Our experimental facility consists of a horizontal water tunnel with a section of 20 mm high and 128 mm wide. Hach cylinder being 4 mm diameter and 20 mm length, the physical situation permits us to assume a ID dynamics along the row axis. Quantitative transversal velocity measurements are obtained by Ultrasound Doppler Anemometry (for details on the method, see [1]) performed on a line parallel to the cylinders row. Thus, we obtain spatiotemporal profiles of the wakes oscillations.

Keywords

Reynolds Number Strong Coupling Hopf Bifurcation Optical Mode Diffusive Coupling 
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References

  1. [1]
    Takeda, Y., Fischer, W. E., Sakakibara, J. and Ohmura, K. (1993) Experimental observation of the quasiperiodic modes in a rotating Couette system, Phys. Rev. E 47 4130ADSCrossRefGoogle Scholar
  2. [2]
    Cardoso, O., Willaime, H., Tabeling, P. (1990) Chaos in a linear array of vortices, Phys. Rev. Lett. 65 1869ADSCrossRefGoogle Scholar

Copyright information

© Kluwer Academic Publishers 1996

Authors and Affiliations

  • J. F. Ravoux
    • 1
  • P. Legal
    • 1
  • P. M. Chauve
    • 1
  • Y. Takeda
    • 2
  1. 1.Institut de Recherche sur les Phénomènes Hors EquilibreUM 138, CNRS-Universités d’Aix-Marseille I & IIMarseilleFrance
  2. 2.Laboratory for Spallation Neutron SourcePaul Scherrer InstituteVilligen PSISwitzerland

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