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TECHNICAL PAPERS: Gas Turbines: Combustion and Fuels

Reduced NOx Diffusion Flame Combustors for Industrial Gas Turbines

[+] Author and Article Information
A. S. Feitelberg, V. E. Tangirala

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

R. A. Elliott, R. E. Pavri, R. B. Schiefer

GE Power Systems, Schenectady, NY 12301

J. Eng. Gas Turbines Power 123(4), 757-765 (Oct 01, 2000) (9 pages) doi:10.1115/1.1376722 History: Received October 01, 1999; Revised October 01, 2000
Copyright © 2001 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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Laboratory test stand for evaluating both simple cycle and regenerative cycle combustors
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Laboratory measurements of NOx emissions from standard and lean head end (LHE) simple cycle MS3002J combustors. Combustion air temperature=269±1°C for all points. At ISO conditions, the base load combustor exit temperature for the simple cycle MS3002J is 1005°C.
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Laboratory measurements of CO emissions from standard and lean head end (LHE) simple cycle MS3002J combustors at the same conditions as shown in Fig. 3. The legend shown in Fig. 3 also applies to Figs. 4 and 5.
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Laboratory measurements of unburned hydrocarbon emissions from standard and lean head end (LHE) simple cycle MS3002J combustors at the same conditions as shown in Figs. 3 and 4. The legend shown in Fig. 3 also applies to Figs. 4 and 5.
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Laboratory measurements of NOx emissions from standard and lean head end (LHE) regenerative cycle MS5002C combustors. Combustion air temperature was 492±3°C for all points. At ISO conditions, the base load combustor exit temperature for the simple cycle MS5002C is 1006°C.
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Laboratory measurements of CO emissions from standard and lean head end (LHE) regenerative cycle MS5002C combustors for the same conditions as shown in Fig. 6. The legend shown in Fig. 6 also applies to this figure.
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Axial distribution of effective area in the standard and lean head end (LHE) simple cycle MS3002J A/T combustor liners
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Axial distribution of effective area in the standard combustor for the regenerative cycle MS5002C turbine and the prototype lean head end (LHE) combustor for the same machine
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Correlation between the perfectly stirred reactor (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 lean head end (LHE) combustor NOx measurements in Figs. 3 and 6 (the legends to Figs. 3 and 6 apply to this figure as well). With this definition of primary zone, R2 is greater than 0.9 for both simple cycle and regenerative cycle conditions.
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Model goodness-of-fit for various definitions of the primary zone for three different pairs of standard and lean head end (LHE) combustors. Comparing the three cases shows that the correlation between perfectly stirred reactor (PSR) residence time and Wfuel/Wprimary air is most often 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. The simple cycle MS5002B points have been reproduced from 1.
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Geometry of 90-deg elbow and transition piece downstream of MS3002J combustor
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Calculated temperature contours at the transition piece exit for a simple cycle MS3002J turbine equipped with standard combustors
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Calculated temperature contours at the transition piece exit for a simple cycle MS3002J turbine equipped with lean head end (LHE) combustors
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NOx emissions from two MS3002J A/T turbines equipped with standard combustors and lean head end (LHE) combustors with steam injection for power augmentation. Steam was not being injected for these test points. Field data has been corrected to P=5.1 bar using the P0.39 pressure scaling fround in the laboratory.
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CO emissions from the same two MS3002J A/T turbines, and at the same conditions, as shown in Fig. 15
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Effect of steam injection for power augmentation on NOx emissions from Unit 1
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Effect of steam injection for power augmentation of NOx emissions from Unit 1. Conditions are the same as shown in Fig. 17.

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