METHOD FOR CONTROLLING VIBRATION COMBUSTION IN COMBUSTION CHAMBER OF GAS TURBINE ENGINE Russian patent published in 2017 - IPC F23N5/24 

FIELD: measuring equipment.

SUBSTANCE: registering the change of the oscillation frequency parameters of the gas-dynamic motion is performed by the sensor, sensitive to the electromagnetic radiation of the combustion products in the combustion chamber, the spectral density is defined in the power spectrum of the temporary implementation of this signal, it is compared with the reference value of the spectral density and in case of exceeding the defined parameter of the specified reference value, the frequency is defined, at which the excess occurred, this frequency is compared with the values of the oscillation combustion frequencies of the combustion chamber, and the signal is produced to the engine control system about the presence of oscillation combustion.

EFFECT: ensuring reliable detection of oscillation combustion to prevent unplanned operation and engine breakdowns.

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