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TsAGI Science Journal

ISSN Imprimir: 1948-2590
ISSN On-line: 1948-2604

TsAGI Science Journal

DOI: 10.1615/TsAGISciJ.2016017057
pages 29-39

INSTABILITY OF THE FLOW NEAR A FLAT PLATE WITH AN UPSTREAM MOVING SURFACE

Aleksandr Marksovich Gaifullin
Central Aerohydrodynamic Institute (TsAGI), 1, Zhukovsky Str., Zhukovsky, Moscow Region, 140180, Russian Federation
Nikolay Nikolayevich Kiselev
Central Aerohydrodynamic Institute (TsAGI), 1 Zhukovsky Str., Zhukovsky, 140180, Moscow Region, Russia

RESUMO

The problem of the flow past a flat plate with an upstream moving surface without the symmetry conditions is numerically solved. At a certain plate surface motion velocity, the solution becomes unstable and the drag of the plate becomes greater than in the symmetric case. At higher velocities, global destruction of the vortex flow occurs.


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