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Application of Macrolamination Technology to Lean, Premix Combustion

[+] Author Affiliations
Adel Mansour, Michael Benjamin

Parker Hannifin Corporation, Mentor, OH

Douglas L. Straub, Geo. A. Richards

U.S. Department of Energy, Morgantown, WV

Paper No. 2000-GT-0115, pp. V002T02A035; 9 pages
  • ASME Turbo Expo 2000: Power for Land, Sea, and Air
  • Volume 2: Coal, Biomass and Alternative Fuels; Combustion and Fuels; Oil and Gas Applications; Cycle Innovations
  • Munich, Germany, May 8–11, 2000
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 978-0-7918-7855-2
  • Copyright © 2000 by ASME


Macrolamination, a novel manufacturing technique, is used to develop a dual-fuel premixer. A spatially distributed injection strategy is used to enhance fuel placement, distribution, and mixing inside the premixer. Parametric studies are conducted with different configurations of the premixer to determine the effects of residence time and nozzle configuration on pollutant emissions and flame stability. Diesel fuel (DF-2) and natural gas are used as fuels. Tests are conducted at a pressure of 400 kPa (5 atmospheres), and an inlet-air temperature of 533°K. The pollutant emissions and RMS pressure levels are presented for a relatively wide range of nozzle velocities (50–80 m/s) and equivalence ratios (0.54–0.75). These results indicate very good pollutant emissions for a prototype design. These results also indicate that the time-lag model, previously associated with combustion oscillations for gaseous-fuel applications, also applies to liquid-fuel operation.

Copyright © 2000 by ASME
Topics: Combustion



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