METHOD AND DEVICE FOR GENERATING FUEL FLOW RATE COMMAND FOR INJECTING TO COMBUSTION CHAMBER OF TURBINE ENGINE Russian patent published in 2018 - IPC F02C9/26 

Abstract RU 2654552 C2

FIELD: gas turbine engines.

SUBSTANCE: method according to the invention comprises during stage (E0) of starting a turbine engine: -open-loop generating step (E10) of generating a fuel flow rate command (WF_OL) from at least one pre-established relationship; and -closed-loop monitoring step (E20-E30) of monitoring at least one operating parameter of the turbine engine, selected from the following parameters: -rate of acceleration (dN2/dt) of a compressor of the turbine engine, and -temperature (EGT) at the outlet from a turbine of the turbine engine, wherein said monitoring step comprises maintaining (E30) the operating parameter in a determined range of values by using at least one corrector network (R1, R2, R3) associated with the parameter and suitable for delivering a signal for correcting the open-loop generated fuel flow rate command.

EFFECT: technical result of the invention is an increase in the efficiency of the method of generating a fuel flow rate command for injection into the combustion chamber of a gas turbine engine adapted to the starting phase.

15 cl, 5 dwg

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RU 2 654 552 C2

Authors

Dzhelassi Sedrik

Dates

2018-05-21Published

2014-04-22Filed