Rotor Flow Behavior of Unmanned Helicopter

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The intricacies of helicopter rotor aerodynamics present significant challenges for aerodynamicists and design engineers. Recent advancements in imaging technology and supercomputing methods have enhanced flow visualization techniques, crucial for understanding the complex airflow through rotor blades. The study highlights the larger wake vortices produced by helicopters compared to fixed-wing aircraft, which contribute to issues like brownout and noise. Investigating these wake effects is essential for developing effective rotor systems and improving overall helicopter performance.