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Thermophysics and Aeromechanics

2014 year, number 1

Extreme shockwave systems in problems of external supersonic aerodynamics

V.N. Uskov1 and M.V. Chernyshov2
1 Baltic State Technical University “Voenmekh”
St. Petersburg, Russia
2 Saint Petersburg State Polytechnical University
St. Petersburg, Russia
Keywords: shockwave systems, supersonic flow, interaction of shocks and Prandtl—Meyer waves
Pages: 15–30


The stationary shockwave systems (the sequences of shocks, isentropic expansion and compression waves), which arise at a planar supersonic flow of perfect inviscid gas around the bodies are investigated theoretically. The domains of the existence of shockwave systems under consideration are found analytically and numerically for the model problems of supersonic aerodynamics (the flow around a single plate, the plate with the frontal shield, polygonal profiles), the parameters of systems are determined, which provide the extrema of the force and thermal loadings as well as of the aerodynamic coefficients of streamlined bodies.
DOI: 10.1134/S086986431401003X