Turbine combustor configured for high-frequency dynamics mitigation and related method

A turbomachine combustor (10) includes a combustion chamber (30); a plurality of micro-mixer nozzles (14) mounted to an end cover of the combustion chamber, each including a fuel supply pipe (26) affixed to a nozzle body (28) located within the combustion chamber, wherein fuel from the supply pipe m...

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Bibliographische Detailangaben
Hauptverfasser:	Uhm, Jong Ho, Srinivasan, Shivakumar, York, William David, Zuo, Baifang
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BLASTING BURNERS CASINGS, LININGS, WALLS OR DOORS SPECIALLY ADAPTED FORCOMBUSTION CHAMBERS, e.g. FIREBRIDGES COMBUSTION APPARATUS COMBUSTION PROCESSES DETAILS OF COMBUSTION CHAMBERS, NOT OTHERWISE PROVIDEDFOR DEVICES FOR DEFLECTING AIR, FLAMES OR COMBUSTION PRODUCTS INCOMBUSTION CHAMBERS GENERATING COMBUSTION PRODUCTS OF HIGH PRESSURE OR HIGHVELOCITY, e.g. GAS-TURBINE COMBUSTION CHAMBERS HEATING LIGHTING MECHANICAL ENGINEERING SAFETY ARRANGEMENTS SPECIALLY ADAPTED FOR COMBUSTIONAPPARATUS WEAPONS
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Beschreibung
Zusammenfassung:	A turbomachine combustor (10) includes a combustion chamber (30); a plurality of micro-mixer nozzles (14) mounted to an end cover of the combustion chamber, each including a fuel supply pipe (26) affixed to a nozzle body (28) located within the combustion chamber, wherein fuel from the supply pipe mixes with air in the nozzle body prior to discharge into the combustion chamber; and wherein at least some of the nozzle bodies (28) of the plurality of micro-mixer nozzles (14) have axial length dimensions that differ from axial length dimensions of other of the nozzle bodies.