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Aerospace Instrument-Making

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SELF-ADJUSTING GAS TEMPERATURE GTE MEASURERON JET-ACOUSTIC SENSORS
V.I. Babkin, A.I. Gulin, A.E. Smagin, A.L. Galiev, Zh.A. Sukhinets

The article discusses the methods and means of measuring temperature in gas turbine engines. The proposed scheme of a self-tuning temperature meter, consisting of two channels, is a string generators, piezoelectric transducers and adaptive selectors for highlighting an informative first harmonic. The signal from the sensors is corrected by a self-tuning circuit, which allows you to calculate the model temperature value using indirect parameters. When developing the circuit, the software Matlab Simulink was used, the functionality of which made it possible to obtain a transient model of the developed circuit. The article presents a developed algorithm for the operation of a self-tuning gas temperature meter for a gas turbine engine using jet acoustic sensors and the results of computer simulation confirming an increase in speed to 0.007 s.
Key words: gas turbine engine, self-configuring meter, jet-acoustic sensor, temperature.


DOI: 10.25791/aviakosmos.01.2020.1135

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Pp. 03-13.

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