Modelling and Analysis of Gas Turbine Performance Deterioration PUBLIC ACCESS

[+] Author Affiliations
A. N. Lakshminarasimha, M. P. Boyce, C. B. Meher-Homji

Boyce Engineering International Inc., Houston, TX

Paper No. 92-GT-395, pp. V004T10A022; 8 pages
  • ASME 1992 International Gas Turbine and Aeroengine Congress and Exposition
  • Volume 4: Heat Transfer; Electric Power; Industrial and Cogeneration
  • Cologne, Germany, June 1–4, 1992
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 978-0-7918-7896-5
  • Copyright © 1992 by ASME


The effects of performance deterioration in both land and aircraft gas turbines are presented in this paper. Models for two of the most common causes of deterioration viz. fouling and deterioration are presented. A stage stacking procedure which uses new installed engine field data for compressor map development is described. The results of the effect of fouling in a powerplant gas turbine and that of erosion in a aircraft gas turbine are presented. Also described are methods of fault threshold quantification and fault matrix simulation. Results of the analyses were found to be consistent with field observations.

Copyright © 1992 by ASME
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