Wing tip vortex control using synthetic jets

P Margaris, I Gursul

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31 Citations (SciVal)


An experimental investigation was conducted to study the effect of synthetic jet (oscillatory, zero net mass flow jet) blowing near the wing tip, as a means of diffusing the trailing vortex. Velocity measurements were taken, using a Particle Image Velocimetry system, around the tip and in the near wake of a rectangular wing, which was equipped with several blowing slots. The effect of the synthetic jet was compared to that of a continuous jet blowing from the same configurations. The results show that the use of synthetic jet blowing is generally beneficial in diffusing the trailing vortex and comparable to the use of continuous jet. The effect was more pronounced for the highest blowing coefficient used. The driving frequency of the jet did not generally prove to be a significant parameter. Finally, the instantaneous and the phase-locked velocity measurements helped explain the different mechanisms employed by the continuous and synthetic jets in diffusing the trailing vortex.
Original languageEnglish
Pages (from-to)673-681
Number of pages9
JournalAeronautical Journal
Issue number1112
Publication statusPublished - Oct 2006


  • Imaging systems
  • Jets
  • Velocity measurement
  • Wings
  • Vortex flow
  • Mass transfer


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