The investigation results of the supercavitation for high speed motion of prolate axisymmetric bodies in water are presented. The cavitation drag forming and drag reduction problems are considered on base studying of the peculiarities of the supercavitation flows for cavities with given pressure and with gas injections. The most attention is directed to the advancing of the understanding level of the problem as whole with account of influence of the key physical effects. Investigations are developed on the ground of the simple heuristic models, integral conservation laws, Slender Body Theory and another ordinary here approximations.

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