FIELD: mechanical engineering; gas-turbine engines.
SUBSTANCE: proposed gas-turbine engine contains multistage axial-flow compressor, combustion chamber and high-pressure turbine installed in tandem in direction of flow. Air starting is provided by delivering compressed starting air from side of outer housing into compressor. Compressed starting air is delivered into main air flow directly to suction faces of blades of wheel, preferably, wheel of compressor last stage.
EFFECT: increased speed of rotor racing providing reduced time take for starting the engine, simplified design of compressor.
2 cl, 2 dwg
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