When the hydrofoil shown was tested, the minimum pressure on the surface of the foil was found to be 2.7 psi vacuum when the foil was submerged 3.1 ft. and towed at a speed of 20 ft /s. At the same depth, at what speed will cavitation first occur? Assume irrotational flow and T = 50°F.

Transcribed Image Text:

d Water = 10°C (50°F)