TURBOFAN ENGINE WTH A SPLITTERED ROTOR FAN
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Jul 15, 2016
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Jul 15, 2016
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A turbofan engine includes: a turbomachinery core; and a low-pressure turbine configured to drive a fan to produce a fan flow, the fan being configured such that at least a portion of the fan flow exits the engine without passing through a turbine. The fan includes: a rotor having at least one rotor stage including axial-flow rotor airfoils, and at least one stator stage including axial-flow stator airfoils. At least one of the rotor or stator stages includes an array of airfoil-shaped splitter airfoils alternating with the rotor or stator airfoils of the corresponding stage. At least one of a chord dimension of the splitter airfoils and a span dimension of the splitter airfoils is less than the corresponding dimension of the airfoils of the at least one stage.
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