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Bio-Inspired Aerodynamic Noise Control: A Bibliographic Review
It is well-known that many species of owl have the unique ability to fly silently, which can be attributed to their distinctive and special feather adaptations.
Yong Wang +4 more
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Aerodynamic Noise Simulation of a Super-High-Rise Building Facade with Shark-Like Grooved Skin [PDF]
The wind-driven aerodynamic noise of super-high-rise building facades not only affects the experience of use inside the building but also reduces the life cycle of building facade materials to some extent.
Xueqiang Wang +2 more
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Aerodynamic Noise Simulation and Quadrupole Noise Problem of 600km/h High-Speed Train
The quadrupole aerodynamic noise is a difficult problem in numerical simulation of the aerodynamic noise. The Kirchhoff-Ffowcs Williams and Hawkings (K-FWH) equation method and the three-dimensional compressible Large Eddy Simulation (LES) method are ...
Xiaoming Tan +4 more
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Analysis and Evaluation of Aerodynamic Noise Characteristics of Toroidal Propeller
Toroidal propellers, a new type of drone propellers capable of significantly reducing noise, offer new possibilities for future low-altitude flying platforms.
Wei Wei +5 more
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Rod–Airfoil Interaction Noise Reduction Using Gradient Distributed Porous Leading Edges
Rod–airfoil interaction noise is a major concern in several practical industrial and aeronautical applications. In this study, we constructed bio-inspired gradient distributed porous leading edges to reduce rod–airfoil interaction noise. Noise radiations
Yong Wang +4 more
doaj +1 more source
Comparative study of surface integral methods in aeroacoustic prediction
Introduction: Surface integral methods based on the acoustic analogy and Kirchhoff formulation are widely employed in computational aeroacoustics. The computational accuracy is usually highly dependent on the selections of the acoustic prediction method ...
Chen Xu +5 more
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Effect of offset distances for rod-airfoil interaction noise
The noise generated by the interaction between the wake of rods and airfoils is a universal phenomenon in the engineering field. The noise generation mechanism is mainly caused by the violent changes of the pulsating pressure on the airfoil surface ...
Shujie Jiang +6 more
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Numerical Investigation on Aerodynamic Drag and Noise of Pantographs with Modified Structures [PDF]
It is well known that the pantograph, which works as a complex component of high-speed trains, is an important source of aerodynamic drag and aerodynamic noise of a high-speed train (HST) that can affect HST performance, comfort for passengers, and ...
Y. Yao +5 more
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The landing gear is widely concerned as the main noise source of airframe noise. The flow characteristics and aerodynamic noise characteristics of the landing gear were numerically simulated based on Large Eddy Simulation and Linearized Euler Equation ...
Longlong Huang +5 more
doaj +1 more source
The jellyfish-like flying machine is a new development direction of the future bionic flapping-wing aircraft besides the insect-mimic and bird-mimic micro air vehicles (MAVs).
Xueguang Meng +3 more
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