Abstract
Results of a comprehensive numerical and experimental study of the dynamics of the flow of equilibrium combustion products of stoichiometric acetylene-air mixtures in the exhaust system of a jet engine with an annular nozzle are presented. Results of the numerical solution of unsteady Navier-Stokes equations for a chemically nonequilibrium model of a multispecies gas medium are reported. Experiments are performed in a hotshot aerodynamic setup. Thrust characteristics of the exhaust system of the jet engine are determined, and specific features of the structure of a steady flow formed there are found.
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Original Russian Text © V.A. Levin, N.E. Afonina, V.G. Gromov, G.D. Smekhov, A.N. Khmelevskii, V.V. Markov.
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Translated from Fizika Goreniya i Vzryva, Vol. 48, No. 4, pp. 38–50, July–August, 2012.
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Levin, V.A., Afonina, N.E., Gromov, V.G. et al. Gas dynamics and thrust in the exhaust system of a jet engine with an annular nozzle. Combust Explos Shock Waves 48, 406–417 (2012). https://doi.org/10.1134/S0010508212040053
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DOI: https://doi.org/10.1134/S0010508212040053
Keywords
- annular nozzle
- exhaust system
- jet engine
- Navier-Stokes equations
- combustion