Flame tolerant secondary fuel nozzle
Abstract
A combustor for a gas turbine engine includes a plurality of primary nozzles configured to diffuse or premix fuel into an air flow through the combustor; and a secondary nozzle configured to premix fuel with the air flow. Each premixing nozzle includes a center body, at least one vane, a burner tube provided around the center body, at least two cooling passages, a fuel cooling passage to cool surfaces of the center body and the at least one vane, and an air cooling passage to cool a wall of the burner tube. The cooling passages prevent the walls of the center body, the vane(s), and the burner tube from overheating during flame holding events.
- Inventors:
- Issue Date:
- Research Org.:
- General Electric Co., Schenectady, NY (United States)
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1171102
- Patent Number(s):
- 8959921
- Application Number:
- 12/835,227
- Assignee:
- General Electric Company (Schenectady, NY)
- Patent Classifications (CPCs):
-
F - MECHANICAL ENGINEERING F23 - COMBUSTION APPARATUS F23D - BURNERS
F - MECHANICAL ENGINEERING F23 - COMBUSTION APPARATUS F23R - GENERATING COMBUSTION PRODUCTS OF HIGH PRESSURE OR HIGH VELOCITY, e.g. GAS-TURBINE COMBUSTION CHAMBERS
- DOE Contract Number:
- FC26-05NT42643
- Resource Type:
- Patent
- Resource Relation:
- Patent File Date: 2010 Jul 13
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 42 ENGINEERING; 33 ADVANCED PROPULSION SYSTEMS
Citation Formats
Khan, Abdul Rafey, Ziminsky, Willy Steve, Wu, Chunyang, Zuo, Baifang, and Stevenson, Christian Xavier. Flame tolerant secondary fuel nozzle. United States: N. p., 2015.
Web.
Khan, Abdul Rafey, Ziminsky, Willy Steve, Wu, Chunyang, Zuo, Baifang, & Stevenson, Christian Xavier. Flame tolerant secondary fuel nozzle. United States.
Khan, Abdul Rafey, Ziminsky, Willy Steve, Wu, Chunyang, Zuo, Baifang, and Stevenson, Christian Xavier. Tue .
"Flame tolerant secondary fuel nozzle". United States. https://www.osti.gov/servlets/purl/1171102.
@article{osti_1171102,
title = {Flame tolerant secondary fuel nozzle},
author = {Khan, Abdul Rafey and Ziminsky, Willy Steve and Wu, Chunyang and Zuo, Baifang and Stevenson, Christian Xavier},
abstractNote = {A combustor for a gas turbine engine includes a plurality of primary nozzles configured to diffuse or premix fuel into an air flow through the combustor; and a secondary nozzle configured to premix fuel with the air flow. Each premixing nozzle includes a center body, at least one vane, a burner tube provided around the center body, at least two cooling passages, a fuel cooling passage to cool surfaces of the center body and the at least one vane, and an air cooling passage to cool a wall of the burner tube. The cooling passages prevent the walls of the center body, the vane(s), and the burner tube from overheating during flame holding events.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2015},
month = {2}
}
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