Lean Blowout in a Research Combustor at Simulated Low Pressures PUBLIC ACCESS

[+] Author Affiliations
G. J. Sturgess

Pratt & Whitney, East Hartford, CT

S. P. Heneghan, M. D. Vangsness, D. R. Ballal

University of Dayton, Dayton, OH

A. L. Lesmerises

WRDC, Wright-Patterson Air Force Base, OH

Paper No. 91-GT-359, pp. V003T06A029; 10 pages
  • ASME 1991 International Gas Turbine and Aeroengine Congress and Exposition
  • Volume 3: Coal, Biomass and Alternative Fuels; Combustion and Fuels; Oil and Gas Applications; Cycle Innovations
  • Orlando, Florida, USA, June 3–6, 1991
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 978-0-7918-7900-9
  • Copyright © 1991 by ASME


A propane-fueled research combustor has been designed to represent the essential features of primary zones of combustors for aircraft gas turbine engines in an investigation of lean blowouts. The atmospheric pressure test facility being used for the investigation made it difficult to directly approach the maximum heat release condition of the research combustor. High combustor loadings were achieved through simulating the effects on chemical reaction rates of sub-atmospheric pressures by means of a nitrogen diluent technique. A calibration procedure is described, and correlated experimental lean blowout results are compared with well-stirred reactor calculations for the research combustor to confirm the efficacy of the calibration.

Copyright © 1991 by ASME
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