System for reducing combustion dynamics
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United States of America Patent
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May 19, 2015
Grant Date -
Feb 27, 2014
app pub date -
Aug 21, 2012
filing date -
Aug 21, 2012
priority date (Note) -
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Abstract
A system and method for reducing combustion dynamics includes first and second combustors arranged about an axis, and each combustor includes a cap assembly that extends radially across at least a portion of the combustor and a combustion chamber downstream from the cap assembly. Each cap assembly includes a plurality of tubes that extend axially through the cap assembly to provide fluid communication through the cap assembly to the combustion chamber and a fuel injector that extends through each tube to provide fluid communication into each tube. Each cap assembly has an axial length, and the axial length of the cap assembly in the first combustor is different than the axial length of the cap assembly in the second combustor.
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