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Parameter selection for diagnosing a gas-turbine's performance-deterioration

Author

Listed:
  • Ogaji, S. O. T.
  • Sampath, S.
  • Singh, R.
  • Probert, S. D.

Abstract

The ability to assess faults in a system, while it is operating, requires an appropriate set of measurements. Engine availability can be increased if the faults can be detected, isolated and assessed, so enabling an optimised shutdown of the plant for maintenance to ensue. Depending on the engine-power-setting parameter, the measurements required to diagnose the faults along the gas path of a gas-turbine vary. This study used a non-linear gas-path analysis (NLGPA) model to predict the required instrumentation set, which can be optimised with respect to the number and type of sensors and their locations for the considered engine-faults. A thermodynamic model of the behaviour of a 2-shaft engine is used as a case study. Redundancy in the sensor set is shown to be unnecessary.

Suggested Citation

  • Ogaji, S. O. T. & Sampath, S. & Singh, R. & Probert, S. D., 2002. "Parameter selection for diagnosing a gas-turbine's performance-deterioration," Applied Energy, Elsevier, vol. 73(1), pages 25-46, September.
    • Handle: RePEc:eee:appene:v:73:y:2002:i:1:p:25-46
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    Cited by:

    1. Maria Grazia De Giorgi & Nicola Menga & Antonio Ficarella, 2023. "Exploring Prognostic and Diagnostic Techniques for Jet Engine Health Monitoring: A Review of Degradation Mechanisms and Advanced Prediction Strategies," Energies, MDPI, vol. 16(6), pages 1-37, March.
    2. Tahan, Mohammadreza & Tsoutsanis, Elias & Muhammad, Masdi & Abdul Karim, Z.A., 2017. "Performance-based health monitoring, diagnostics and prognostics for condition-based maintenance of gas turbines: A review," Applied Energy, Elsevier, vol. 198(C), pages 122-144.
    3. Chen, Yu-Zhi & Zhao, Xu-Dong & Xiang, Heng-Chao & Tsoutsanis, Elias, 2021. "A sequential model-based approach for gas turbine performance diagnostics," Energy, Elsevier, vol. 220(C).

    More about this item

    Keywords

    Diagnostics Gas path Gas turbine;

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