System and method for reducing combustion dynamics in a combustor

Uhm, Jong Ho; Johnson, Thomas Edward; Zuo, Baifang; York, William David

Title: System and method for reducing combustion dynamics in a combustor

Patent · Tue Sep 01 00:00:00 EDT 2015

OSTI ID:1213462

Uhm, Jong Ho; Johnson, Thomas Edward; Zuo, Baifang; York, William David

A system for reducing combustion dynamics in a combustor includes an end cap having an upstream surface axially separated from a downstream surface, and tube bundles extend from the upstream surface through the downstream surface. A divider inside a tube bundle defines a diluent passage that extends axially through the downstream surface, and a diluent supply in fluid communication with the divider provides diluent flow to the diluent passage. A method for reducing combustion dynamics in a combustor includes flowing a fuel through tube bundles, flowing a diluent through a diluent passage inside a tube bundle, wherein the diluent passage extends axially through at least a portion of the end cap into a combustion chamber, and forming a diluent barrier in the combustion chamber between the tube bundle and at least one other adjacent tube bundle.

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Research Organization:: General Electric Co., Schenectady, NY (United States)

Sponsoring Organization:: USDOE

DOE Contract Number:: FC26-05NT42643

Assignee:: General Electric Company (Schenectady, NY)

Patent Number(s):: 9,121,612

Application Number:: 13/409,309

OSTI ID:: 1213462

Resource Relation:: Patent File Date: 2012 Mar 01

Country of Publication:: United States

Language:: English

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