Numerical Analysis of Sound Generation and Transmission from Flapping Wings

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概要

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• Insects generate sound by their flapping wings as a consequence of spatial and temporal changes of pressures on the wing surface and vortices generated by the wing motion. To clarify the mechanism of sound generation, hybrid method combining CFD techniques and acoustic analysis is incorporated here and detailed characteristics of flapping sound, e.g. directivity of transmission or spectrum distributions, are clarified.

著者

• Aoyama Takashi

  Japan Aerospace Exploration Agency

• INADA Yoshinobu

  Japan Aerospace Exploration Agency (JAXA)

• Aoyama Takashi

  Japan Aerospace Exploration Agency (jaxa)

• Moriyama Takashi

  Chiba University

• Liu Hao

  Chiba University

• Maeda Masateru

  Chiba University

• Aono Hikaru

  University of Michigan

関連論文

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• Aerodynamic Analysis of Helicopter Rotor by Coupling of CFD and Trim Calculation(Proceedings of the 15th NAL Symposium on Aircraft Computational Aerodynamics)
• Aerodynamic/Acoustic Analysis for Main Rotor and Tail Rotor of Helicopter
• Numerical Analysis of Sound Generation and Transmission from Flapping Wings
• Numerical Analysis of Maneuvering Rotorcraft Using Moving Overlapped Grid Method
• Design Exploration of Helicopter Blades for HSI Noise and Aerodynamic Performance
• Numerical Analysis of Flow through a Hole for Modeling of Wind Tunnel Porous Wall

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