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TECHNICAL PAPERS: Gas Turbines: Combustion and Fuel

Performance of a Reduced NOx Diffusion Flame Combustor for the MS5002 Gas Turbine

[+] Author and Article Information
Alan S. Feitelberg

GE Corporate Research and Development, One Research Circle, Niskayuna, NY 12309

Michael D. Starkey, Richard B. Schiefer, Roointon E. Pavri

GE Power Systems, Schenectady, NY 12301

Matt Bender, John L. Booth, Gordon R. Schmidt

British Petroleum, Prudhoe Bay, Alaska 99734

J. Eng. Gas Turbines Power 122(2), 301-306 (Jan 03, 2000) (6 pages) doi:10.1115/1.483217 History: Received March 09, 1999; Revised January 03, 2000
Copyright © 2000 by ASME
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References

Figures

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Standard MS5002 combustor liner (left) and gas fuel nozzle (right)
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The laboratory MS5002 combustor test stand
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Laboratory measurements of NOx emissions from standard and LHE combustors at reduced total flows. Combustion air temperature=294±3°C for all points. Combustor exit temperature for the MS5002B turbine is 953°C at base load ISO conditions.
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Laboratory measurements of CO emissions from standard and LHE combustors at the same conditions as shown in Fig. 3
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NOx emissions from an MS5002B turbine equipped with standard and LHE combustors. Compressor discharge temperature=269±9°C for all points. Symbols represent field measurements, while dashed lines represent expected values, based on laboratory measurements corrected to field fuel composition, pressure, and compressor discharge temperature.
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Ratio of NO2/NOx in the MS5002B field test exhaust gas at the same conditions as shown in Fig. 5
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CO emissions from an MS5002B turbine equipped with standard and LHE combustors at the same conditions as shown in Figs. 5 and 6
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Calculated NOx emissions from a stoichiometric PSR for the high air flow rate, standard combustor conditions shown in Fig. 3 (P=5.0 bar, combustion air temperature=294°C)
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Axial distribution of effective area in the standard and LHE MS5002 combustor liners
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Correlation between PSR residence time and Wfuel/Wprimary air when the primary air is defined as the air entering the combustor through the first 27 cm of the combustor liner. Data points correspond to the high air flow rate, standard and LHE combustor laboratory NOx measurements shown in Fig. 3. The straight line is a best fit through the data. With this definition of primary air flow, R2=0.99.
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Model goodness-of-fit for various definitions of the primary zone. The correlation between PSR residence time and Wfuel/Wprimary air is most nearly linear when the primary air is defined as the air entering the combustor through the first ∼27 cm (10.5 in.) of the combustor liner. To generate this figure, the data points in Fig. 10 were recalculated with the range of primary zone definitions shown here, and then refit to a straight line.

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