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Fig. 1.
Workflow organization scheme and main design elements of the flame tube
Fig. 2.
3D model of flame tube turbofan engine AL-31F
Fig. 3.
Model of the finite element grid of the flame tube sector turbofan engine AL-31F
Fig. 4.
Visualization of the results of numerical and physical simulation of the flow from the secondary circuit of the nozzle at the mass flow rate of the liquid: a) 0.002 kg/s; b) 0.003 kg/s; c) 0.004 kg/s; d) parameters of fuel spraying in Max mode at simulation of combustion process.
Fig. 5.
Results of numerical simulation workflow: a) dry trust rating; b) forward idle thrust rating
Fig. 6.
Comparative evaluation of the diagram of radial unevenness of the temperature field at the outlet from the combustion chamber
Fig. 7.
Distribution of velocity vectors and temperature field along the length of flame tube
Fig. 8.
Temperature distribution and typical flame tube walls damage