FIELD: mechanical engineering; gas-turbine engine.
SUBSTANCE: proposed gas-turbine engine contains working medium circuit consisting of compressor, heat exchanger and turbine with useful work consumer. Heat exchanger-evaporator is installed before compressor. Engine contains additionally closed circuit of coolant consisting of series-connected liquid coolant reservoir, pump, heat exchanger-evaporator included into working medium circuit, heat exchanger-heater, turbine gas expansion machine with useful work, consumer, liquefier one output end of which is connected with liquid coolant reservoir by pipeline with fitted on pump and the other is connected though coolant vapour compressor and heat exchanger-superheater with turbine gas expansion machine.
EFFECT: increased efficiency and no adverse effect on environment.
4 cl, 4 dwg
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