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RISEstimation of Resultant Airframe Forces for a Variable Pitch Fan Operating in Reverse Thrust Mode
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The resultant forces with a reverse thrust variable pitch fan (VPF) during the aircraft landing run are computed from the installed reverse thrust flow field obtained from an airframeengineVPF research model. The research ...
On Hysteresis in a Variable Pitch Fan Transitioning to Reverse Thrust Mode and Back
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A novel hysteresis phenomenon during the transition to and back from the reverse thrust mode in a variable pitch fan (VPF) is identified and characterized in this work. This is done using a three-dimensional fully transient ...
On the Flow Physics During the Transition of a Variable Pitch Fan From Nominal Operation to Reverse Thrust Mode
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The flow field during the transition of variable pitch fans (VPFs) from nominal operation to reverse thrust mode at typical “Approach Idle” engine power setting and aircraft touchdown speed of 140 knots is described in ...