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Experiments in Fluids

, Volume 44, Issue 4, pp 519–528 | Cite as

Experimental observation using particle image velocimetry of inertial waves in a rotating fluid

  • Laura Messio
  • Cyprien Morize
  • Marc Rabaud
  • Frédéric MoisyEmail author
Research Article

Abstract

Inertial waves generated by a small oscillating disk in a rotating water filled cylinder are observed by means of a corotating particle image velocimetry system. The wave takes place in a stationary conical wavepacket, whose angle aperture depends on the oscillation frequency. Direct visualisation of the velocity and vorticity fields in a plane normal to the rotation axis are presented. The characteristic wavelength is found to be approximately equal to the disk diameter. The classical dispersion relation for plane waves is verified from the radial location of the wavepacket, and from the ellipticity of the projected velocity diagram.

Keywords

Vorticity Dispersion Relation Particle Image Velocimetry Fluid Particle Particle Image Velocimetry Measurement 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

Notes

Acknowledgments

The authors wish to acknowledge A. Aubertin, C. Borget, G. Chauvin, A. Minière and R. Pidoux for experimental help. They also thank J.P. Hulin for fruitful discussions, and G. Tan for help with the manuscript. This work was supported by the ANR grant no. 06-BLAN-0363-01 “HiSpeedPIV”.

Supplementary material

Supplementary material (AVI 4.71 MB)

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Copyright information

© Springer-Verlag 2007

Authors and Affiliations

  • Laura Messio
    • 1
    • 2
  • Cyprien Morize
    • 1
    • 2
  • Marc Rabaud
    • 1
    • 2
  • Frédéric Moisy
    • 1
    • 2
    Email author
  1. 1.Univ Paris-Sud; Univ Pierre et Marie Curie, CNRSOrsayFrance
  2. 2.Fluides, Automatique et Systèmes Thermiques (FAST)OrsayFrance

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