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International Journal of Fluid Mechanics Research
ESCI SJR: 0.206 SNIP: 0.446 CiteScore™: 0.5

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

International Journal of Fluid Mechanics Research

DOI: 10.1615/InterJFluidMechRes.v30.i1.30
13 pages

Theoretical Analysis of the Schemes of Control over a Near-Wall Flow by Means of Interceptors

V. O. Gorban
Institute of Hydromechanics of National Academy of Sciences of Ukraine, Kyiv, Ukraine
I. M. Gorban
Institute of Hydromechanics of National Academy of Sciences of Ukraine, Kyiv, Ukraine

ABSTRACT

Within the limits of a plane problem, the paper addresses the possibility of formation of large-scale steady vortices in a flow around ledges (interceptors). The model of ideal incompressible fluid is employed. The solutions are constructed by the method of discrete vortices. The dependencies for an intensity of the steady vortex, its coordinates and eigenfrequencies on the angle of inclination of the interceptor are obtained. It is demonstrated that, through the suction of fluid behind the interceptor, extents of the separation domain can be decreased and the corresponding circulation zones can be stabilized. The dependencies are obtained for the suction intensity which provides the localization of the separation and the stability of the corresponding circulation zones in the cases of one, two or a set of the interceptors.


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