Abstract
Cavitation experiments was conducted with high temperature and high pressure cavitation tunnel to investigate thermodynamic effect on tip leakage cavitation. NACA0009 hydrofoil with tip clearance is chosen for a test body. In the experiments results, at T∞ = 90 oC, the large amplitudes are observed at the higher frequencies than 50 Hz. These can be considered because collapse time of cavity was shortened by thermodynamic effect. Moreover, the temperature depression inside tip leakage cavity increases with the increase of the thermodynamic parameter.
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