Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Oliver V. Atassi0
Date of Patent
June 7, 2011
Patent Application Number
12013639
Date Filed
January 14, 2008
Patent Citations Received
Patent Primary Examiner
Patent abstract
A flame holder for an augmentor includes geometry to produce large radial variations in heat release to prevent coupling with modes within the exhaust duct that produce combustor screech. A surface of the flame holder varies axially in a radial direction to produce a radial phase variation in heat released from the flame holder. The radially changing surface produces radially non-uniform and unsteady heat release that does not couple with acoustic modes within the exhaust duct.
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