How does the stroke plane angle and pitching angle affect the efficiency of a flapping flight system?
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The stroke plane angle and pitching angle significantly impact the efficiency of a flapping flight system. Optimizing the pitch angle kinematics can maximize lift and hovering efficiency, with trapezoidal shapes and high average angles of attack yielding strong leading-edge vortices for increased force production . Additionally, asymmetric deviation in stroke patterns can enhance lift generation but may come with a slight reduction in efficiency and increased power cost, especially in cases with high stroke amplitude or low pitching amplitude . Furthermore, varying the translation plane inclination angle can affect aerodynamic performance, energy consumption, and wing flow structures, showcasing the intricate relationship between kinematic parameters and system efficiency .
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| Papers (5) | Insight |
|---|---|
| The stroke plane angle (β) and pitching angle (α) influence the aerodynamic performance and energy consumption of a flapping airfoil system, as studied numerically in the research. | |
25 May 2022 | The asymmetric stroke deviation in flapping wings can enhance lift but may slightly reduce efficiency. Varying stroke and pitching angles influence lift generation and power costs in flapping flight systems. |
| The angle of attack optimization influences efficiency in a flapping hydrofoil system, with high values avoiding leading edge vortex and low heave amplitudes preventing deep stall at higher Strouhal numbers. | |
6 Citations | Optimal pitch angle kinematics with trapezoidal shapes and high angles of attack maximize lift, while sinusoidal profiles with lower angles of attack enhance hovering efficiency by 93% sacrificing 43% lift. |
| The pitching angle kinematics impact lift and efficiency; trapezoidal profiles enhance lift with high angles of attack, while sinusoidal profiles improve efficiency with lower angles of attack and increased hovering efficiency. |
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