supercavitation

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supercavitation

[‚sü·pər‚kav·ə′ā·shən]
(fluid mechanics)
An extreme form of cavitation in which a single bubble of gas forms around an object moving rapidly through water, enveloping it almost completely so that the water wets very little of the object's surface, thereby drastically reducing viscous drag.
References in periodicals archive ?
Despite negative characterizations of cavitation bubbles are still causing some troubles in life, much more focused attention have been drawn in recent years for its positive application in super cavitation, aerospace, bio-medical [1, 2] and so on.
In addition, operation of super cavitation weapon is based on the cavitation bubble covering the partly or full surface of submarines [6, 7].
[27] conducted a numerical study of cavitating flows inside the conical-spray nozzle and found four regimes of cavitation, one of which was named super cavitation regime [28, 29].
From analytic point of view, the characterization of free cavitation regime of incipient, developed and industrial cavitation and super cavitation it is realised.
Using Equation (9), super cavitation and the cavitation length in the nozzle hole were well predicted for both cylindrical and rectangular nozzles by Sou et al.