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International Journal of Fluid Mechanics Research
ESCI SJR: 0.206 SNIP: 0.446 CiteScore™: 0.9

ISSN Print: 2152-5102
ISSN Online: 2152-5110

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International Journal of Fluid Mechanics Research

DOI: 10.1615/InterJFluidMechRes.v23.i1-2.160
pages 134-143

Instability of a Plane Ventilated Supercavity in an Infinite Stream

V. N. Semenenko
Institute of Hydromechanics of National Academy of Sciences of Ukraine, Kyiv, Ukraine

ABSTRACT

The stability of linearized, kinematically closed model of a plane supercavity in infinite flow, supplemented by the balance of mass of the gas injected into the cavity is investigated. The unsteady-state problem is reduced to a set of three Volterra type autonomous equations with distributed lag. The roots of the characteristic equation are analyzed numerically. Good quantitative agreement with experimental data for plane pulsating ventilated supercavities is obtained.


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