FIELD: engines and pumps.
SUBSTANCE: proposed method comprises defining basic and current parameters of diagnostics, comparing them to decide on compressor operating conditions. Said basic and current parameters represent adiabatic efficiency of compressor. Note here that, in operation, reduced compressor rotor rpm magnitude is generated depending upon compressor high-pressure rotor rpm and gas turbine engine inlet air temperature to generate compressor basic efficiency. Note also that two levels of efficiency reduction are preset to be added to basic efficiency magnitude, and received signals of every said level are compared to actual efficiency signal to decide on compressor operating conditions.
EFFECT: revealing defects at early stage of their origination.
1 dwg
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