COMBUSTOR HEAD END SECTION WITH AIR SUPPLY SYSTEM FOR BUNDLED TUBE FUEL NOZZLE CONTAINED THEREIN
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United States of America Patent
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Issued Date -
Jul 11, 2024
app pub date -
Dec 31, 2023
filing date -
Jan 6, 2023
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Abstract
A combustor head end section includes a bundled tube fuel nozzle assembly and an air supply system. The fuel nozzle assembly includes: a forward plate facing a head end air plenum, an aft plate facing a combustion chamber, premixing tubes extending from the forward plate to the aft plate, and a side wall extending circumferentially around the premixing tubes. The forward plate, the aft plate, and the side wall define a fuel plenum, and each premixing tube includes at least one fuel injection hole in fluid communication with the fuel plenum. The air supply system comprises the head end air plenum, a first inlet flow conditioner partially defining the head end air plenum and surrounding the bundled tube fuel nozzle assembly, and a second inlet flow conditioner surrounding the first inlet flow conditioner. The head end air plenum is in fluid communication with a combustion chamber, via the premixing tubes.
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