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TsAGI Science Journal

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

TsAGI Science Journal

DOI: 10.1615/TsAGISciJ.2016018289
pages 237-266

LAMINAR SEPARATION ON A SURFACE SLOWLY MOVING UPSTREAM

Victor Vladimirovich Sychev
Central Aerohydrodynamic Institute, 1, Zhukvsky Str., Zhukovsky, 140180, Moscow Region, Russia

RESUMO

This work considers the two-dimensional steady-state incompressible fluid flow at large Reynolds numbers (Re) in the vicinity of the separation point on a smooth surface slowly moving upstream. The flow in the boundary layer inside the separation zone is analyzed using the matched asymptotic expansions and strained coordinates methods. It is shown that if the dimensionless velocity of the streamlined surface, Uw, is much smaller than Re-7/26, then the problem is reduced (locally) to the well-known problem corresponding to Uw = 0.


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