2024
DOI: 10.2514/1.j063150
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Control of Reverse Flow over Cantilevered Swept Blades Using Passive Camber Morphing

Cooper Nelson,
Tufan Kumar Guha,
Michael Amitay

Abstract: High-speed rotorcraft experience a region of reversed flow over the retreating blade at high advance ratios. This reverse flow region results in multiple unfavorable effects, including negative lift, increased drag, and a large pitching moment impulse. The effect of the sweep angle on a rotor blade in reverse flow was explored, and it was demonstrated that the introduction of a trailing edge reflex camber could mitigate the adverse effects seen in this regime. A cantilevered, finite-span NACA 63-218 blade was … Show more

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