September 19, 2025Physics of Fluids

Study on drag reduction and lift characteristics of ventilated supercavitating vehicle under the synergistic effect of multiple parameters

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The drag reduction rate can increase up to 60.11% with optimal ventilation volume.
Increasing the diameter of the cavitator initially improves lift, but severe necking occurs at Dn/D = 0.3.
As inflow velocity increases, drag reduction improves, while lift diminishes, indicating complex dynamics.
Cavitation dynamics influence hydrodynamic forces on supercavitating vehicles, providing insights for design improvements.

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Experimental analysis reveals the effects of cavitator diameter and flow velocity on drag reduction and lift in supercavitating vehicles.

Li et al. (2025) studied this question.

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