GAS TURBINE COMBUSTOR AND GAS TURBINE
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United States of America
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Issued Date -
Mar 13, 2025
app pub date -
Jan 20, 2023
filing date -
Jan 20, 2023
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Abstract
A gas turbine combustor provided with: a combustion cylinder having a combustion chamber and a plurality of through-holes that open to the combustion chamber; a housing disposed peripherally outwards of the combustion cylinder and defining an acoustic attenuation space that communicates with the combustion chamber via the through-holes; an air hole plate having a plurality of air holes and being positioned upstream of the combustion cylinder; a plurality of fuel nozzles respectively corresponding to the air holes; an air passage provided between the inner peripheral surface of the combustion cylinder and the outer peripheral surface of the air hole plate and extending in the axial direction of the combustion cylinder; and an air supply flow path for supplying air flowing outside the combustion cylinder to the acoustic attenuation space. At least one of the through holes is provided directly below the air hole plate in the axial direction.
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