WALL ELEMENT FOR COMBUSTION DEVICE OF GAS TURBINE ENGINE

PROBLEM TO BE SOLVED: To provide a combustion device for a gas turbine engine, and especially, a wall element used in a wall structure of a combustion device for a gas turbine engine. SOLUTION: The wall element of the double wall combustion device of the gas turbine engine is equipped with an inner...

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Hauptverfasser:	MILLS STEPHEN JOHN, WOOLFORD JAMES RICHARD, WHITE KEVIN ANDREW
Format:	Patent
Sprache:	eng
Schlagworte:	AIR INTAKES FOR JET-PROPULSION PLANTS BLASTING CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TOTRANSPORTATION COMBUSTION APPARATUS COMBUSTION ENGINES COMBUSTION PROCESSES CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OFGENERAL APPLICATION GAS-TURBINE PLANTS 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 HEAT EXCHANGE IN GENERAL HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS 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 a combustion device for a gas turbine engine, and especially, a wall element used in a wall structure of a combustion device for a gas turbine engine. SOLUTION: The wall element of the double wall combustion device of the gas turbine engine is equipped with an inner surface which becomes a high temperature surface during use, and an outer surface which becomes a low temperature surface during use. A plurality of projections are provided on the outer surface to promote thermal transmission to a cooling fluid flow. The projections are arranged in a second pattern higher in density than a pattern of a first density so that a cooling effect is increased. The high-density pattern is arranged in a position abutting a high temperature region of a tile than the low-density pattern, and thereby, the temperature gradient over the entire wall element can be reduced. COPYRIGHT: (C)2007,JPO&INPIT