Deposition, Erosion and Corrosion Protection for Coal-Fired Gas Turbines PUBLIC ACCESS

[+] Author Affiliations
Richard A. Wenglarz

General Motors Corporation, Indianapolis, IN

Paper No. 85-IGT-61, pp. V002T03A004; 8 pages
  • ASME 1985 Beijing International Gas Turbine Symposium and Exposition
  • Volume 2: Coal, Biomass and Alternative Fuels; Combustion and Fuels
  • Beijing, People’s Republic of China, September 1–7, 1985
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 978-0-7918-7943-6
  • Copyright © 1985 by ASME


Probably the greatest technical uncertainty for gas turbines directly fired with coal fuels is flowpath degradation due to deposition, erosion and corrosion from coal ash. Mechanisms of turbine deposition, erosion, and corrosion are discussed here and critical factors affecting these degradation processes are identified. Control of these factors is addressed as a basis for providing acceptable lifetimes of turbines operating with coal-derived and other ash bearing fuels.

Copyright © 1985 by ASME
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