FIELD: engine devices and pumps.
SUBSTANCE: gas pressure is measured behind the low-pressure turbine, pressure ratio is determined behind the compressor and behind the low-pressure turbine, lower and upper threshold limit values of low-pressure rotor speed are set for each value of air temperature at the engine inlet with an allowable voltage level in moving blades. Control of low-pressure rotor speed is conducted by controlling the fuel flow to the combustion chamber and changing the area of the critical section of jet nozzle, determined by the ratio of pressures behind compressor and low-pressure turbine, while speed control is performed until low-pressure rotor speed reaches the maximum threshold values.
EFFECT: invention allows to achieve maximum value of draft under constraints on the controlled parameters values and control actions.
2 dwg
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