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System and method for reducing combustion dynamics and NO.sub.x in a combustor

Patent ·
OSTI ID:1226448
A system for reducing combustion dynamics and NO.sub.x in a combustor includes a tube bundle that extends radially across at least a portion of the combustor, wherein the tube bundle comprises an upstream surface axially separated from a downstream surface. A shroud circumferentially surrounds the upstream and downstream surfaces. A plurality of tubes extends through the tube bundle from the upstream surface through the downstream surface, wherein the downstream surface is stepped to produce tubes having different lengths through the tube bundle. A method for reducing combustion dynamics and NO.sub.x in a combustor includes flowing a working fluid through a plurality of tubes radially arranged between an upstream surface and a downstream surface of an end cap that extends radially across at least a portion of the combustor, wherein the downstream surface is stepped.
Research Organization:
GENERAL ELECTRIC COMPANY, Schenectady, NY (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
FC26-05NT42643
Assignee:
GENERAL ELECTRIC COMPANY
Patent Number(s):
9,188,335
Application Number:
13/281,528
OSTI ID:
1226448
Country of Publication:
United States
Language:
English

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