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NASA Clean Catalytic Combustor Program FREE

[+] Author Affiliations
E. E. Ekstedt, T. F. Lyon, P. E. Sabla, W. J. Dodds, A. J. Szaniszlo

General Electric Co., Cincinnati, OH

Paper No. 82-JPGC-GT-11, pp. V001T01A011; 12 pages
doi:10.1115/82-JPGC-GT-11
From:
  • 1982 Joint Power Generation Conference: GT Papers
  • 1982 Joint Power Generation Conference: GT Papers
  • Denver, Colorado, USA, October 17–21, 1982
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 978-0-7918-7937-5
  • Copyright © 1982 by ASME

abstract

The ability of catalytic combustors to promote stable combustion of lean fuel-air mixtures with flame temperatures less than 1800K, provides the potential for obtaining ultra-low nitrogen oxides emissions levels in combustion systems utilizing catalytic reactors. Another potential benefit of the use of catalytic reactors is improved combustion system life due to the reduced gas temperatures in the combustion zone. In standard combustion systems with droplet burning, primary zone gas temperatures can reach stoichiometric flame temperature levels locally and radiation levels from the primary zone are relatively high. In a catalytic combustor, the gas temperature is at the much lower flame temperature value associated with the average premixed fuel-air ratio. Other potential benefits of catalytic combustors include improved turbine life because of much reduced pattern factors, improved temperature profiles and improved combustion lean stability.

Copyright © 1982 by ASME
This article is only available in the PDF format.

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