FIELD: engines and pumps.
SUBSTANCE: three-flow turbo-ejector engine includes inlet device, compressor, the main combustion chamber, turbine, gas ejector. High pressure channel of ejector is connected on one side to compressor through the main combustion chamber, and on the other - to turbine through mixing chamber. Low pressure channel of ejector is connected on one side to atmosphere through the inlet device, and on the other - to turbine through mixing chamber, afterburner, outlet device. Before compressor there installed is fan some portion of air of which is bypassed owing to the last stage to afterburner through the channel (the third channel) located in internal cavities: of compressor, the main combustion chamber, mixing chamber, turbine. At total degree of pressure increase in take off conditions 3.5÷4.0 degree of fan pressure increase is equal to compressor pressure increase degree.
EFFECT: air bypass allows increasing the front thrust and degree of forcing of turbo-ejector engine, as well as improving its cooling.
2 cl, 1 dwg
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