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TECHNICAL PAPERS: Gas Turbines: Combustion and Fuels

Response of a Model Gas Turbine Combustor to Variation in Gaseous Fuel Composition

[+] Author and Article Information
R. M. Flores, M. M. Miyasato, V. G. McDonell, G. S. Samuelsen

UCI Combustion Laboratory, University of California, Irvine, CA 92697-3550

J. Eng. Gas Turbines Power 123(4), 824-831 (Oct 01, 2000) (8 pages) doi:10.1115/1.1377011 History: Received October 01, 1999; Revised October 01, 2000
Copyright © 2001 by ASME
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References

Meier,  J. G., Hung,  W. S. Y., and Sood,  V. M., 1986, “Development and Application of Industrial Gas Turbines for Medium-BTU Gaseous Fuels,” ASME J. Eng. Gas Turbines Power, 108, pp. 182–190.
Liss, W. E., Thrasher, W. H., Steinmetz, G. F., Chowdiah, P., and Attari, A., 1992, “Variability of Natural Gas Composition in Select Major Metropolitan Areas of the United States,” GRI-92/0123 Mar.
Nicol,  D. G., Steele,  R. C., Marinov,  N. M., and Malte,  P. C., 1995, “The Importance of the Nitrous Oxide Pathway to NOx in Lean-Premixed Combustion,” ASME J. Eng. Gas Turbines Power, 117, pp. 100–111.
Steele,  R. C., Jarrett,  A. C., Malte,  P. C., Tonouchi,  J. H., and Nicol,  D. G., 1997, “Variables Affecting NOx Formation in Lean-Premixed Combustion,” ASME J. Eng. Gas Turbines Power, 119, pp. 102–107.
Nguyen, O. M., and Samuelsen, G. S., 1999, “The Effect of Discrete Pilot Hydrogen Dopant Injection on the Lean Blowout Performance of a Model Gas Turbine Combustor,” ASME Paper No. 99-GT-359.
Hoffmann,  S., Lenze,  B., and Eickoff,  H., 1998, “Results of Experiments and Models for Predicting Stability Limits of Turbulent Swirling Flames,” ASME J. Eng. Gas Turbines Power, 120, pp. 311–316.
Beer, J. M., and Chigier, N. A., 1972, Combustion Aerodynamics, Robert E. Krieger Publishing Co., Malabar, FL.
Kee, R. J., et al., 1999, Chemkin Collection, Release 3.5, Reaction Design, San Diego, CA.

Figures

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Atmospheric test facility
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Detail of fuel injection options
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Emission levels for 100 percent natural gas
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Performance function for fuel composition (top: no pilot fuel; bottom: 20 percent pilot fuel)
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Calculated reaction rates for methane—85 percent methane–15 percent ethane, and 80 percent methane–20 percent propane (8)
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Relative penetration of natural gas and propane at fixed firing rates for centerbody injection, wall jet injection, and a 50 percent split
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Fuel distributions for cases 1–4 in Fig. 6 (concentrations presented in equivalent C atoms)
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Fuel distributions for optimal fuel injection strategies (cases 1, 5, 7) (coordinates are shown in millimeters and concentrations are presented in equivalent C atoms)
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NOx concentrations for fully premixed cases
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CO concentrations for fully premixed cases

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