Which mechanism reduces cavitation risk in a high-speed marine propeller experiencing fluctuating hydrostatic pressure?

💡 Explanation

When hydrostatic pressure fluctuates, cavitation is a risk; supercavitating propellers are designed to intentionally create a large, stable cavitation bubble that reduces pressure fluctuations on the blade surface, preventing damaging bubble collapses. Therefore supercavitation is employed, rather than anodes, ablation coatings or shaft stiffening, which address corrosion, erosion and vibration respectively.

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