Emission and performance of a lean-premixed gas fuel injection system for aeroderivative gas turbine engines
- United Technologies Research Center, East Hartford, CT (United States)
- Pratt and Whitney, East Hartford, CT (United States)
A dry-low-No{sub x}, high-airflow-capacity fuel injection system for a lean-premixed combustor has been developed for a moderate pressure ratio (20:1) aeroderivative gas turbine engine. Engine requirements for combustor pressure drop, emissions, and operability have been met. Combustion performance was evaluated at high power conditions in a high-pressure, single-nozzle test facility, which operates at full baseload conditions. Single digit NO{sub x} levels and high combustion efficiency were achieved. A wide operability range with no signs of flashback, autoignition, or thermal problems was demonstrated. NO{sub x} sensitivities to pressure and residence time were found to be small at flame temperatures below 1,850 K (2,870 F). Above 1,850 K some NO{sub x} sensitivity to pressure and residence time was observed and was associated with the increase role of the thermal NO{sub x} production mechanism at elevated flame temperatures.
- Sponsoring Organization:
- USDOE
- OSTI ID:
- 207752
- Report Number(s):
- CONF-940626-; ISSN 0742-4795; TRN: IM9616%%80
- Journal Information:
- Journal of Engineering for Gas Turbines and Power, Vol. 118, Issue 1; Conference: 39. international gas turbine and aeroengine congress and exposition, The Hague (Netherlands), 13-16 Jun 1994; Other Information: PBD: Jan 1996
- Country of Publication:
- United States
- Language:
- English
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