FIELD: engines and pumps.
SUBSTANCE: afterburner combustion chamber of turbojet engine contains chassis, connected to the turbine, nozzle, fuel, or fuel-air collectors, injectors are connected with the jets. Before the mixer in the second circuit, an additional collector with sprayers is installed. Sprays of the additional collector are located in the middle of the pockets of the mixer, which ensures the creation of a fuel-air mixture with an air excess factor equal to the same coefficient in the hot gas behind the turbine.
EFFECT: invention makes it possible to obtain a gas flow with the required excess air factor at any point in the section ahead of the front-mounted device of the afterburner, which simplifies the problem of uniform distribution of afterburner fuel in cross section.
2 dwg
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