NOZZLE BLADE DESIGN FOR A VARIABLE NOZZLE TURBINE

Systems are provided for a nozzle blade for a variable nozzle turbine of a turbocharged engine. In one example, a nozzle blade for a turbine nozzle of a variable geometry turbine may include: a cambered outer surface that curves from an inlet end to an outlet end of the nozzle blade, relative to a c...

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Bibliographische Detailangaben
Hauptverfasser:	Hu, Leon, Yi, Jianwen James
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING ENGINE PLANTS IN GENERAL HEATING 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:	Systems are provided for a nozzle blade for a variable nozzle turbine of a turbocharged engine. In one example, a nozzle blade for a turbine nozzle of a variable geometry turbine may include: a cambered outer surface that curves from an inlet end to an outlet end of the nozzle blade, relative to a chord of the nozzle blade, the chord having a chord length defined from the inlet end to the outlet end, the nozzle blade having an aspect ratio in a range of 1.54 to 2.95, a thickness that is greatest in a range of 47 to 61% of the chord length, and a camber line angle change ratio in a range of 0.94 to 1.16 from the inlet end to the outlet end of the nozzle blade.