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TsAGI Science Journal

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

TsAGI Science Journal

DOI: 10.1615/TsAGISciJ.v41.i4.30
pages 397-408

INVESTIGATION OF PRE-SEPARATED FLOW IN AXISYMMETRICAL DIFFUSER

Georgy Lvovich Korolev
Central Aerohydrodynamic Institute (TsAGI) 1, Zhukovsky str., Zhukovsky, 140180, Moscow region, Russia

RESUMO

A procedure of the axisymmetrical diffuser construction is developed for incompressible liquid flows at high Reynolds numbers with prescribed characteristics of pressure distribution on their surfaces and small frictional losses inside the diffuser. The numerical solution of the problem taking into account the influence of the boundary-layer thickness on the external nonviscous flow is obtained, and the influence of variation of design conditions for the flow parameters in the inlet cross section on the characteristics of the flow in the diffuser is considered.


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