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TsAGI Science Journal

ISSN Print: 1948-2590
ISSN Online: 1948-2604

TsAGI Science Journal

DOI: 10.1615/TsAGISciJ.2015015343
pages 345-355

SPECIAL SOLUTIONS FOR SUPERSONIC FLOW OF AN IDEAL GAS AROUND THE V-SHAPED WING WITH FLOW SEPARATIONS

Renat Yamilovich Tugazakov
Central Aerohydrodynamic Institute (TsAGI) 1, Zhukovsky str., Zhukovsky, 140180, Moscow region, Russia

ABSTRACT

Conditions for the separation of asymmetric flow of an ideal gas from a V-shaped wing with supersonic leading edges (conical flow) have been investigated. It has been shown analytically and numerically for high angles of attack and sideslip angles that the flow separation occurs in the region where a local pressure maximum takes place and the Ferri vortex singularity floats up. New solutions have been obtained numerically in the case of symmetric flow around a wing at a high angle of attack, when gas surge in the form of a jet takes place at the intersection point of contact discontinuities upward from the central axis. The explanation of the phenomenon is given.


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