FIELD: machine engineering.
SUBSTANCE: secondary combustion device is designed for introducing fuel-air mixture into the flow of combustion gases in the combustion chamber of the gas turbine engine and comprises an annular distributor and injectors passing from the annular distributor into the flow of combustion gases. Injectors have nozzles communicating with annular distributor and configured for injecting fuel-air mixture into the flow of combustion gases. Each nozzle is inclined at the first angle to the flow of combustion gases upstream from the secondary combustion device to increase mixing rate of the fuel-air mixture in the flow of combustion gases, each nozzle is inclined at the second angle to the wall of the corresponding injector, wherein the second angle can be different.
EFFECT: reduction of harmful emissions.
13 cl, 8 dwg
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