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Title: Turbine combustor configured for high-frequency dynamics mitigation and related method

Abstract

A turbomachine combustor includes a combustion chamber; a plurality of micro-mixer nozzles mounted to an end cover of the combustion chamber, each including a fuel supply pipe affixed to a nozzle body located within the combustion chamber, wherein fuel from the supply pipe mixes with air in the nozzle body prior to discharge into the combustion chamber; and wherein at least some of the nozzle bodies of the plurality of micro-mixer nozzles have axial length dimensions that differ from axial length dimensions of other of the nozzle bodies.

Inventors:
; ; ;
Issue Date:
Research Org.:
General Electric Co., Schenectady, NY (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1163210
Patent Number(s):
8875516
Application Number:
13/021,298
Assignee:
General Electric Company (Schenectady, NY)
Patent Classifications (CPCs):
F - MECHANICAL ENGINEERING F23 - COMBUSTION APPARATUS F23R - GENERATING COMBUSTION PRODUCTS OF HIGH PRESSURE OR HIGH VELOCITY, e.g. GAS-TURBINE COMBUSTION CHAMBERS
F - MECHANICAL ENGINEERING F23 - COMBUSTION APPARATUS F23M - CASINGS, LININGS, WALLS OR DOORS SPECIALLY ADAPTED FOR COMBUSTION CHAMBERS, e.g. FIREBRIDGES
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DOE Contract Number:  
FC26-05NT42643
Resource Type:
Patent
Resource Relation:
Patent File Date: 2011 Feb 04
Country of Publication:
United States
Language:
English
Subject:
33 ADVANCED PROPULSION SYSTEMS

Citation Formats

Uhm, Jong Ho, Zuo, Baifang, York, William David, and Srinivasan, Shivakumar. Turbine combustor configured for high-frequency dynamics mitigation and related method. United States: N. p., 2014. Web.
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Uhm, Jong Ho, Zuo, Baifang, York, William David, & Srinivasan, Shivakumar. Turbine combustor configured for high-frequency dynamics mitigation and related method. United States.
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Uhm, Jong Ho, Zuo, Baifang, York, William David, and Srinivasan, Shivakumar. Tue . "Turbine combustor configured for high-frequency dynamics mitigation and related method". United States. https://www.osti.gov/servlets/purl/1163210.
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@article{osti_1163210,
title = {Turbine combustor configured for high-frequency dynamics mitigation and related method},
author = {Uhm, Jong Ho and Zuo, Baifang and York, William David and Srinivasan, Shivakumar},
abstractNote = {A turbomachine combustor includes a combustion chamber; a plurality of micro-mixer nozzles mounted to an end cover of the combustion chamber, each including a fuel supply pipe affixed to a nozzle body located within the combustion chamber, wherein fuel from the supply pipe mixes with air in the nozzle body prior to discharge into the combustion chamber; and wherein at least some of the nozzle bodies of the plurality of micro-mixer nozzles have axial length dimensions that differ from axial length dimensions of other of the nozzle bodies.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2014},
month = {11}
}
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Works referenced in this record:

Pre-Mixing Apparatus for a Turbine Engine
patent-application, January 2010

Premixed Direct Injection Disk
patent-application, September 2010

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