bulles.jpg CAVITATION
Jean-Pierre FRANC
LEGI (Grenoble, France)

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What is cavitation ?
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supercavitation.jpg
  • Supercavitation generated by a circular cylinder in the LEGI free surface cavitation tunnel.
  • The supercavity shown here is a natural supercavity filled with almost pure water vapor.
  • A supercavity can also be produced by blowing air in the wake of an obstacle. This type of cavitation is named ventilated cavitation.
supercavitation2.jpg
  • Natural supercavity generated by a hydrofoil at high angle of attack.
  • The upper liquid / vapor interface is a relatively smooth interface.
tipvortex.jpg
  • Tip vortex cavitation on a three-dimensional hydrofoil
tipvortex2.jpg
  • Cavitating tip vortex merging with a leading edge cavity on a three-dimensional hydrofoil.
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