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Journal of Applied Mechanics and Technical Physics

2022 year, number 4

Simulation of Flow Separation in Turbojet Engine Inlets

M. F. Engulatova, D. V. Liverko, A. V. Lysenkov, S. V. Matyash, A. A. Saveliev
Zhukovsky Central Aerohydrodynamic Institute, Zhukovsky, 140180 Russia
Keywords: air intake, aerodynamic characteristics, side wind, computational fluid dynamics, optimization, Reynolds-averaged Navier-Stokes equations

Abstract

To take into account certification modes in optimization problems of the nacelle of a bypass turbojet engine, we developed a method for numerical determination of the characteristics of the air intake in the engine operating regime with a crosswind. The flow and aerodynamic characteristics of the air intake in these regimes were studied. Experiments were carried out in a wind tunnel to validate the calculation method based on the solution of the Reynolds-averaged Navier-Stokes equations. The laminar-turbulent transition was simulated using the the Menter turbulence  -model taking into account the compressibility of the gas.