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

ISSN Imprimer: 2152-5102
ISSN En ligne: 2152-5110

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International Journal of Fluid Mechanics Research

DOI: 10.1615/InterJFluidMechRes.v28.i5.70
10 pages

Calculation of the 2D Supercavity Shape under Harmonic Perturbationst

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

RÉSUMÉ

Calculation results of length and shape of 2D unsteady cavities past a wedge at periodic time dependence are presented. The variable cavity length is found in sequential instants by numerical solving the equation of mass balance of gas in the cavity. For each iteration the solution is calculated on the basis of a linear set of singular integral equations by the method of discrete singularities. The influence of elasticity of gas filling the two-dimensional ventilated supercavity is investigated. A comparative analysis of unsteady behavior of plane and axisymmetric supercavities is given.


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