Nesteruk I. Inverse unsteady problems of high-speed hydromechanics

Українська версія

Thesis for the degree of Doctor of Science (DSc)

State registration number

0504U000619

Thesis Registration Form

0504U000619.pdf

Applicant for

Specialization

  • 01.02.05 - Механіка рідини, газу та плазми

25-11-2004

Specialized Academic Board

Д26.196.01

Essay

The results of theoretical, numerical and experimental researches of inverse problems of hydromechanics are presented to investigate the shape peculiarities of the supercavity and the bodies with the prescribed pressure distribution over the surface, to compare the drag for different flow patterns and to find a minimum drag shape. A solution of the non-steady integral-differential equation for a slender axisymmetric cavity and analytic formulae for the radius and for the volumetric drag coefficients in sub- and supersonic flows and with capillarity were obtained. Shapes with negative pressure gradients on the surface were calculated. The results can be used in the cavity flow calculations and in the optimal shape design of hulls, wings and ships.

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