Monitoring Metal Wear Particles of Friction Pairs in the Oil Systems of Gas Turbine Power Plants

Valentin Belopukhov, Andrey Blinov, Sergey Borovik, Mariya Luchsheva, Farit Muhutdinov, Petr Podlipnov, Aleksey Sazhenkov and Yuriy Sekisov
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Valentin Belopukhov: Samara Federal Research Scientific Center RAS, Institute for the Control of Complex Systems RAS, 443020 Samara, Russia
Andrey Blinov: JSC «UEC-Aviadvigatel», 614990 Perm, Russia
Sergey Borovik: Samara Federal Research Scientific Center RAS, Institute for the Control of Complex Systems RAS, 443020 Samara, Russia
Mariya Luchsheva: JSC «UEC-Aviadvigatel», 614990 Perm, Russia
Farit Muhutdinov: JSC «UEC-Aviadvigatel», 614990 Perm, Russia
Petr Podlipnov: Samara Federal Research Scientific Center RAS, Institute for the Control of Complex Systems RAS, 443020 Samara, Russia
Aleksey Sazhenkov: JSC «UEC-Aviadvigatel», 614990 Perm, Russia
Yuriy Sekisov: Samara Federal Research Scientific Center RAS, Institute for the Control of Complex Systems RAS, 443020 Samara, Russia

Energies, 2022, vol. 15, issue 13, 1-15

Abstract: In the example of the aviation gas turbine engine the problem of monitoring metal wear particles of friction pairs in the oil systems of gas turbine power plants is considered. The solution based on using the multi-channel cluster single-coil eddy current sensor (CSCECS) with sensitive elements in the form of single circuits is proposed. The CSCECS provides the detection of ferromagnetic and non-ferromagnetic particles and their ranking by several size groups. The sensor is invariant to the size (inner diameter) of the monitored oil pipeline and has high throughput and identical sensitivity across all channels. Two variants of the hardware structure of the debris continuous monitoring system (DCMS) prototype implementing the proposed approach are suggested. The first variant is intended for engine bench tests and contains the CSCECS with integrated preamplifiers and forced air cooling of the electronic modules. The second variant of the DCMS prototype involves the use of the uncooled sensors without built-in electronics and it focuses on operation in autonomous mode not only in bench tests but also during the engine normal operation. A brief description of the DCMS operational algorithm is given. The algorithm is the same for both hardware versions but differs at the software implementation level. The correctness of the algorithm for the detection and size identification of the wear metal particles was verified during the laboratory experiments with a total duration of 5 h and 30 min. The DCMS prototype was also examined during the full-scale engine bench tests. The experiments indicated that the number, size, and magnetic properties of the particles detected by DCMS generally corresponded to the number, size, and magnetic properties of the particles fixed by the MetalSCAN oil debris monitoring system which was used for verification of the DCMS functional capability. The results were also confirmed through laboratory analysis of the wipe samples on the debris filters. However, unlike the existing approaches, the design of the CSCECS additionally made it possible to evaluate the oil flow features in the pipeline of the engine lubrication system.

Keywords: power plant; gas turbine engine; bearing assembly; oil system; wear particles; cluster single-coil eddy current sensor; real-time monitoring system; prototype; test results (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2022
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