FIELD: gas- turbine engine engineering. SUBSTANCE: working fluid and fuel supplied in pulses are compressed in source 1 of heated working fluid. Source 1 has outlet 1a connected with source 2 of compressed oxidizer and outlet 1b connected with turbine 3 to obtain heated working fluid. The heated working fluid obtained is directed for its expanding in turbine 3 and doing useful work. The working fluid is discharged from the source, heated simultaneously with the working fluid, in the form of two streams of opposite directions and simultaneously expanded. The gas-turbine engine has source 1 of heated working fluid, connected with source 2 of compressed oxidizer and pulse supply of fuel, turbine 3, and device for heightening total pressure in source 1 of heated working fluid. The device for creating heightened total pressure in source 1 of heated working fluid is constructed as nozzles positioned respectively at the inlet 1a and outlet 1b of source 1 of heated working fluid. The nozzles are constantly in communication with the inlet of turbine 3 and change direction of working fluid stream. EFFECT: enhanced efficiency. 3 cl, 6 dwg
