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Journal of Applied Mechanics and Technical Physics

2019 year, number 4

Control of the Formation of a Transonic Region in a Supersonic Flow by using a Throttling Jet and Near-Wall Heat Release

V. P. Zamuraev1,2, A. P. Kalinina1,2
1Khristianovich Institute of Theoretical and Applied Mechanics, Siberian Branch, Russian Academy of Sciences, Novosibirsk, 630090, Russia
2Novosibirsk State University, Novosibirsk, 630090, Russia
Keywords: горение водорода и этилена, сверхзвуковой поток, поперечные струи, околозвуковой режим, hydrogen combustion, supersonic flow, transverse jets, transonic flow regime


Starting of an air-breathing engine with fuel injection distributed along the combustion chamber is numerically simulated. Issues of principal importance are the presence of a compressed are jet generating a throttling effect and preliminary deceleration of the flow to transonic velocities. Averaged Navier-Stokes equations closed by the SST, SST κ-ω, or κ-ε turbulence models are solved. Hydrogen and ethylene combustion is simulated by one reaction. The computations are performed for various values of the turbulent kinetic energy in the flow. A pulsed transonic regime of hydrogen and ethylene combustion is discovered.