FIELD: machine building.
SUBSTANCE: invention object is the coking degree monitoring method at the gas turbine engine dynamic gasket level. Method comprises the stages, at which: during the gas turbine engine windmilling phase measuring the gas generator shaft rotation speed and based on the measured rotation speed time change, determining the coking degree at the dynamic gaskets level. Objects of the invention are also the coking state monitoring system at the gas turbine engine dynamic gaskets level and equipped with the monitoring system gas turbine engine.
EFFECT: estimation of the coking degree at the gas turbine engine dynamic gaskets level and the critical stage detection preceding the gas turbine engine starting impossibility.
9 cl, 4 dwg
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