METHOD OF DIAGNOSTICS OF GAS-TURBINE ENGINE COMPRESSOR Russian patent published in 1998 - IPC

Abstract RU 2118809 C1

FIELD: checking of mechanical condition of gas-turbine engines. SUBSTANCE: air temperature upstream of compressor and gas temperature upstream of turbine of gas-turbine engine are measured additionally in check mode of gas-turbine engine operation n_тк.red= const. Gas temperature is reduced to standard atmospheric conditions. Then value of relative variation of reduced gas temperature upstream of turbine of gas-turbine engine is determined in process of operation. This values is used to find critical (as to gas-dynamic stability) value of wear degree of elements of compressor flow-through section. Reserve of compressor stability of gas turbine engine is judged by relation of degrees of wear. EFFECT: enhanced checking. 1 dwg

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RU 2 118 809 C1

Authors

Cherenkov S.V.

Sushentsov V.M.

Vlasov K.V.

Berezin G.V.

Khalutin A.V.

Barmin O.V.

Dates

1998-09-10—Published

1995-02-24—Filed