WALL ELEMENTS FOR GAS TURBINE ENGINE COMBUSTORS

PROBLEM TO BE SOLVED: To provide an improved cooling film as a wall element for gas turbine engine combustors. SOLUTION: A combustor wall element arrangement for a gas turbine engine comprises an upstream wall element 50A overlapping a downstream wall element 50B and defining a gap 37 and an outlet...

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Bibliographische Detailangaben
Hauptverfasser:	MILLS STEPHEN JOHN, WOOLFORD JAMES RICHARD, WHITE KEVIN ANDREW
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TOTRANSPORTATION COMBUSTION APPARATUS COMBUSTION PROCESSES GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS GENERATING COMBUSTION PRODUCTS OF HIGH PRESSURE OR HIGHVELOCITY, e.g. GAS-TURBINE COMBUSTION CHAMBERS HEATING LIGHTING MECHANICAL ENGINEERING TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE WEAPONS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide an improved cooling film as a wall element for gas turbine engine combustors. SOLUTION: A combustor wall element arrangement for a gas turbine engine comprises an upstream wall element 50A overlapping a downstream wall element 50B and defining a gap 37 and an outlet 35 therebetween. In use, a coolant flow exits the outlet 35 to provide a coolant film 36 across at least a part of the downstream wall element 50B. The outlet 35 has a smaller dimension, normal to the downstream wall element 50B, than the gap 37 thereby increasing the velocity of the coolant flow across at the downstream wall element 50B. The resultant film coolant flow is effective further across the downstream wall element. COPYRIGHT: (C)2007,JPO&INPIT