Investigation of a drag reduction on a circular cylinder in rotary oscillation

@article{Shiels2001InvestigationOA,
  title={Investigation of a drag reduction on a circular cylinder in rotary oscillation},
  author={D. Shiels and A. Leonard},
  journal={Journal of Fluid Mechanics},
  year={2001},
  volume={431},
  pages={297-322}
}
  • D. Shiels, A. Leonard
  • Published 2001
  • Physics
  • Journal of Fluid Mechanics
  • Drag reduction in two-dimensional flow over a circular cylinder, achieved using rotary oscillation, was investigated with computational simulations. In the experiments of Tokumaru & Dimotakis (1991), this mechanism was observed to yield up to 80% drag reduction at Re = 15 000 for certain ranges of frequency and amplitude of sinusoidal rotary oscillation. Simulations with a high-resolution viscous vortex method were carried out over a range of Reynolds numbers (150–15 000) to explore the effects… CONTINUE READING
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