Influence of a Deflectable Leading-Edge on a Flapping Airfoil

Flapping wing dynamics are of great interest in many research areas, such as bioinspired systems and aircraft aeroelasticity. The findings the present study provide significant insight into importance leading-edge dynamic incidence on propulsive performance flapping airfoils. main objective is to improve characteristics by adding a pitching conventional NACA0012 airfoil at lower spectrum Reynolds number. problem solved numerically number 104 under various conditions. results show that amplitude has impact power efficiency, providing meaningful improvements. required coefficient reduced overall, although not significantly power. influence movable pressure distribution analyzed, showing enlargement frontal area root cause augmentation. proposed geometry provides an innovative way with purposes, offering remarkable improvements can defy flapping.