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Suppression of Vortex-Induced Vibration of a Cylinder Fitted with Free-to-Rotate Parallel and Oblique Plates

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Book cover Instability and Control of Massively Separated Flows

Part of the book series: Fluid Mechanics and Its Applications ((FMIA,volume 107))

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Abstract

Experiments have been carried out on models of free-to-rotate parallel and oblique plates fitted to a rigid section of circular cylinder to investigate the effect of plate length and oblique angle on the stability of this type of VIV suppressor. Measurements of the dynamic response by trajectories of motion are presented for models with low mass and damping, free to respond in the cross-flow and streamwise directions. It is shown that, depending on a combination of geometric parameters devices might not be able to completely suppress VIV for the whole range of reduced velocities investigated. Plates with larger oblique angles turned to be less stable than parallel plates and induced high-amplitude vibrations for some specific reduced velocities.

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References

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Acknowledgments

Authors wish to acknowledge the support of FAPESP (2011/00205-6), CNPq (308916/2012-3) and ANP.

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Authors and Affiliations

  1. Department of Naval Architecture and Ocean Engineering, University of São Paulo, São Paulo, Brazil

    G. R. S. Assi, G. S. Franco & M. S. Vestri

Authors
  1. G. R. S. Assi
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  2. G. S. Franco
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  3. M. S. Vestri
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Corresponding author

Correspondence to G. R. S. Assi .

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Editors and Affiliations

  1. School of Aerospace Engineering, Technical University of Madrid, Madrid, Spain

    Vassilis Theofilis

  2. Department of Mechanical and Aerospace Engineering, Monash University, Melbourne, VIC, Australia, and Department of Aeronautical Engineering, King Abdulaziz University, Jeddah, Saudi Arabia

    Julio Soria

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Assi, G.R.S., Franco, G.S., Vestri, M.S. (2015). Suppression of Vortex-Induced Vibration of a Cylinder Fitted with Free-to-Rotate Parallel and Oblique Plates. In: Theofilis, V., Soria, J. (eds) Instability and Control of Massively Separated Flows. Fluid Mechanics and Its Applications, vol 107. Springer, Cham. https://doi.org/10.1007/978-3-319-06260-0_24

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  • DOI: https://doi.org/10.1007/978-3-319-06260-0_24

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  • Publisher Name: Springer, Cham

  • Print ISBN: 978-3-319-06259-4

  • Online ISBN: 978-3-319-06260-0

  • eBook Packages: EngineeringEngineering (R0)

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