Ultra low injection angle fuel holes in a combustor fuel nozzle
A fuel nozzle for a combustor includes a mixing passage through which fluid is directed toward a combustion area and a plurality of swirler vanes disposed in the mixing passage. Each swirler vane of the plurality of swirler vanes includes at least one fuel hole through which fuel enters the mixing passage in an injection direction substantially parallel to an outer surface of the plurality of swirler vanes thereby decreasing a flameholding tendency of the fuel nozzle. A method of operating a fuel nozzle for a combustor includes flowing a fluid through a mixing passage past a plurality of swirler vanes and injecting a fuel into the mixing passage in an injection direction substantially parallel to an outer surface of the plurality of swirler vanes.
- Research Organization:
- General Electric Company (Schenectady, NY)
- Sponsoring Organization:
- USDOE
- DOE Contract Number:
- FC26-05NT42643
- Assignee:
- General Electric Company (Schenectady, NY)
- Patent Number(s):
- 8,291,705
- Application Number:
- 12/190,918
- OSTI ID:
- 1079412
- Country of Publication:
- United States
- Language:
- English
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