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Experiments in Fluids

, Volume 40, Issue 4, pp 503–513 | Cite as

Time resolved PIV and flow visualization of 3D sheet cavitation

  • E. J. FoethEmail author
  • C. W. H. van Doorne
  • T. van Terwisga
  • B. Wieneke
Research Article

Abstract

Time-resolved PIV was applied to study fully developed sheet cavitation on a hydrofoil with a spanwise varying angle of attack. The hydrofoil was designed to have a three-dimensional cavitation pattern closely related to propeller cavitation, studied for its adverse effects as vibration, noise, and erosion production. For the PIV measurements, fluorescent tracer particles were applied in combination with an optical filter, in order to remove the reflections of the laser lightsheet by the cavitation. An adaptive mask was developed to find the interface between the vapor and liquid phase. The velocity at the interface of the cavity was found to be very close to the velocity predicted by a simple streamline model. For a visualization of the global flow dynamics, the laser beam was expanded and used to illuminate the entire hydrofoil and cavitation structure. The time-resolved recordings reveal the growth of the attached cavity and the cloud shedding. Our investigation proves the viability of accurate PIV measurements around developed sheet cavitation. The presented results will further be made available as a benchmark for the validation of numerical simulations of this complicated flow.

Keywords

Cavitation Light Sheet Vapor Cloud Vapor Region Cavitation Cloud 
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

Acknowledgements

This research is funded by the Dutch Technology Foundation STW project TSF.6170 and Royal Netherlands Navy. See http://www.stw.nl for more details.

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Copyright information

© Springer-Verlag 2006

Authors and Affiliations

  • E. J. Foeth
    • 1
    Email author
  • C. W. H. van Doorne
    • 1
  • T. van Terwisga
    • 1
  • B. Wieneke
    • 2
  1. 1.Laboratory of Ship HydromechanicsDelft University of TechnologyDelftThe Netherlands
  2. 2.LaVision GmbHGoettingenGermany

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