Cavitation High Speed Visualization

Leading Edge Cavitation

Naca 0009 hydrofoil, 100 mm chord length

Free stream velocity = 14 m/s, Angle of attack = 3°, Cavitation number = 1.2

Free stream velocity = 14 m/s, Angle of attack = 4.5°, Cavitation number = 1.2

Wake Cavitation

Naca 0009 hydrofoil, 3.2 mm trailing edge thickness

Free stream velocity = 12 m/s, Angle of attack = 0°, Cavitation number = 0.6

Tip Vortex

NACA 16020

Free stream velocity = 14 m/s
Cavitation number = 1.7
Angle of attack = 10°

Free stream velocity = 14 m/s
Cavitation number = 1.3
Angle of attack = 10°

Free stream velocity = 14 m/s
Cavitation number = 0.8
Angle of attack = 10°

Free stream velocity = 14 m/s
Cavitation number = 0.4
Angle of attack = 6°