GAS TURBINE ENGINE WITH ACOUSTIC SPACING OF THE FAN BLADES AND OUTLET GUIDE VANES

A gas turbine engine (100) comprises a fan (110), a core turbine engine (103) coupled to the fan, a fan case (180) housing the fan and the core turbine engine, a plurality of outlet guide vanes (190) extending between the core turbine engine and the fan case, and an acoustic spacing (AC). The fan co...

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Bibliographische Detailangaben
Hauptverfasser:	WORTHOFF, Frank, NAKANO, Tsuguji, MILLER, Brandon Wayne, GEERTSEMA, Egbert, HUDECKI, Andrew, DePUY, Timothy Richard, SIBBACH, Arthur, SCHILLING, John
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	AIR INTAKES FOR JET-PROPULSION PLANTS BLASTING COMBUSTION ENGINES CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS ENGINE PLANTS IN GENERAL GAS-TURBINE PLANTS HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS JET-PROPULSION PLANTS LIGHTING MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAMTURBINES STEAM ENGINES WEAPONS
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Beschreibung
Zusammenfassung:	A gas turbine engine (100) comprises a fan (110), a core turbine engine (103) coupled to the fan, a fan case (180) housing the fan and the core turbine engine, a plurality of outlet guide vanes (190) extending between the core turbine engine and the fan case, and an acoustic spacing (AC). The fan comprises a plurality of fan blades (113) that define a fan diameter and a BEAL. The fan case comprises an inlet and an inlet length between the inlet and the fan. The acoustic spacing comprises a distance between the fan (110) and the plurality of outlet guide vanes (190), and in combination with the BEAL determines an acoustic spacing ratio (ASR) of the gas turbine engine.