Development History and Field Experiences of the First FT8 Gas Turbine With Dry Low NOx Combustion System FREE

[+] Author Affiliations
Barry C. Schlein, David A. Anderson

Pratt & Whitney, Turbo Power & Marine Systems, Inc., East Hartford, CT

Markus Beukenberg, Klaus D. Mohr

GHH BORSIG Turbomaschinen GmbH, Oberhausen, Germany

Hans L. Leiner, Wolfgang Träptau

Ruhrgas AG, Essen, Germany

Paper No. 99-GT-241, pp. V002T02A039; 8 pages
  • ASME 1999 International Gas Turbine and Aeroengine Congress and Exhibition
  • Volume 2: Coal, Biomass and Alternative Fuels; Combustion and Fuels; Oil and Gas Applications; Cycle Innovations
  • Indianapolis, Indiana, USA, June 7–10, 1999
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 978-0-7918-7859-0
  • Copyright © 1999 by ASME


This paper describes the FT8-2 Dry Low NOx (DLN) combustor development process and reviews the development history and initial field experience at a natural gas pipeline station in Germany. The development process is primarily focused on defining a fuel nozzle or injector, investigating emissions, fuel-air mixing, flame stability, acoustics, flashback resistance, and flame disgorgement. Empirical development tools including single nozzle and sector combustion rigs, as well as flame imaging techniques, are discussed. A summary of in-house engine development testing is provided. The control methodology used to meet emissions, while maintaining combustor pressure pulsations at an acceptable level, is provided. The natural gas compressor station design and operational experience with a GHH BORSIG compressor driven by the FT8 engine in Werne, Germany is summarized. Also presented are details of the very short conversion period from Standard to DLN combustor with the first successful ignition of the engine 26 days after work had begun.

Copyright © 1999 by ASME
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