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Title: Premixed direct injection disk

Abstract

A fuel/air mixing disk for use in a fuel/air mixing combustor assembly is provided. The disk includes a first face, a second face, and at least one fuel plenum disposed therebetween. A plurality of fuel/air mixing tubes extend through the pre-mixing disk, each mixing tube including an outer tube wall extending axially along a tube axis and in fluid communication with the at least one fuel plenum. At least a portion of the plurality of fuel/air mixing tubes further includes at least one fuel injection hole have a fuel injection hole diameter extending through said outer tube wall, the fuel injection hole having an injection angle relative to the tube axis. The invention provides good fuel air mixing with low combustion generated NOx and low flow pressure loss translating to a high gas turbine efficiency, that is durable, and resistant to flame holding and flash back.

Inventors:
; ; ; ; ;
Issue Date:
Research Org.:
General Electric Co., Schenectady, NY (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1083441
Patent Number(s):
8424311
Application Number:
12/394,544
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
Country of Publication:
United States
Language:
English
Subject:
42 ENGINEERING; 33 ADVANCED PROPULSION SYSTEMS

Citation Formats

York, William David, Ziminsky, Willy Steve, Johnson, Thomas Edward, Lacy, Benjamin, Zuo, Baifang, and Uhm, Jong Ho. Premixed direct injection disk. United States: N. p., 2013. Web.
York, William David, Ziminsky, Willy Steve, Johnson, Thomas Edward, Lacy, Benjamin, Zuo, Baifang, & Uhm, Jong Ho. Premixed direct injection disk. United States.
York, William David, Ziminsky, Willy Steve, Johnson, Thomas Edward, Lacy, Benjamin, Zuo, Baifang, and Uhm, Jong Ho. Tue . "Premixed direct injection disk". United States. https://www.osti.gov/servlets/purl/1083441.
@article{osti_1083441,
title = {Premixed direct injection disk},
author = {York, William David and Ziminsky, Willy Steve and Johnson, Thomas Edward and Lacy, Benjamin and Zuo, Baifang and Uhm, Jong Ho},
abstractNote = {A fuel/air mixing disk for use in a fuel/air mixing combustor assembly is provided. The disk includes a first face, a second face, and at least one fuel plenum disposed therebetween. A plurality of fuel/air mixing tubes extend through the pre-mixing disk, each mixing tube including an outer tube wall extending axially along a tube axis and in fluid communication with the at least one fuel plenum. At least a portion of the plurality of fuel/air mixing tubes further includes at least one fuel injection hole have a fuel injection hole diameter extending through said outer tube wall, the fuel injection hole having an injection angle relative to the tube axis. The invention provides good fuel air mixing with low combustion generated NOx and low flow pressure loss translating to a high gas turbine efficiency, that is durable, and resistant to flame holding and flash back.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Tue Apr 23 00:00:00 EDT 2013},
month = {Tue Apr 23 00:00:00 EDT 2013}
}

Works referenced in this record:

Combustion method and apparatus
patent, September 1977


Premix combustor
patent, July 1978


Mixer having intervane fuel injection
patent, October 2001


Diffusion mixer
patent, September 2002


Multi-sided diffuser for a venturi in a fuel injector for a gas turbine
patent, February 2006


Multiple venture tube gas fuel injector for a combustor
patent, August 2006


Multi-point staging strategy for low emission and stable combustion
patent, September 2006


Counter swirl shear mixer
patent, July 2007


Apparatus having thermally isolated venturi tube joints
patent, March 2009


System and method for injecting fuel
patent, December 2012