Contra-rotating rotors in advanced unmanned aerial vehicles (UAVs) can offer enhanced aerodynamic performance and pose significant aeroacoustics challenges. This study experimentally investigates the far-field noise cha…
View researchRotor blades in eVTOL aircraft are often assumed rigid in noise studies, but their thin, slender design makes them prone to large aeroelastic deformations during edgewise forward flight. Measurements in an anechoic wind…
View researchAANTC has developed an efficient computational fluid dynamics (CFD) platform for sports aerodynamics research, including windsurfing. The windsurfing project focuses on the equipment that will be used for the 2024 Olymp…
View researchDrones are promising transport means for the last-mile deliveries in urban communities. However, low-altitude aviation can cause severe noise pollution, leading to the requirement of rational operational strategies to m…
View researchAttenuating the low-frequency component of aero-engine noise is challenging due to the mass and volume constraints when applying conventional noise mitigation techniques using liners and foams. To address it, acoustic …
View researchA series of acoustic metasurfaces with periodic structures are proposed using porous materials including meta-based fibrous materials and polymer foam to refract an incidence wave in an anomalous yet controllable way.
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