FIELD: engines and pumps.
SUBSTANCE: two or more programs for regulating turbine expansion ratio according to the air temperature at the engine inlet are preliminary formed for this type of engine, in each program thrust and specific consumption values are measured at different ambient pressures, the program for regulating turbine expansion ratio is determined, providing a minimum specific fuel consumption and maximum thrust at the given ambient pressure, and is additionally injected to the engine controller, current ambient pressure is determined during fixed-wing flight and when it reaches the given pressure value, the program for regulating turbine expansion is switched to the program providing the minimum specific fuel consumption and maximum thrust at the given ambient pressure.
EFFECT: optimised engine thrust-economic properties throughout the full range of aircraft heights, and thus increased flight length and range.
2 dwg
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