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Journal of Applied Mechanics and Technical Physics

2018 year, number 2

Evolution of Two Vortices Near a Solid Surface

D. A. Gadzhiev, A. M. Gaifullin
Central Aerohydrodynamic Institute named after N. E. Zhukovskii, Zhukovskii, 140180, Russia
Keywords: вихрь, отрыв пограничного слоя, диффузия вихря, "подскок" вихря, vortex, boundary layer separation, vortex diffusion, vortex «op up»

Abstract

A numerical solution is found for the problem of evolution of two oppositely rotating vortices in a viscous incompressible fluid near a solid surface. The mechanism of vortex dissipation is determined. The trajectory of vortex motion is constructed.