Numerical investigation of the deflector effect on the aerodynamic and acoustic characteristics of turbulent cavity flow
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DOI: 10.1134/s001546281704010x
Abstract: The effect of a deflector on the aerodynamic and acoustic characteristics of turbulent flow in a cavity is numerically modeled. The computation method working on unstructured grids is described. The immersed boundary method is applied… read more here.
Keywords: aerodynamic acoustic; deflector; effect; cavity ... See more keywords
Measurement of Aerodynamic and Acoustic Quantities Describing Flow around a Body Placed in a Wind Tunnel
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DOI: 10.2478/msr-2019-0004
Abstract: Abstract Aerodynamically generated noise affects passenger comfort in cars, high-speed trains, and airplanes, and thus, automobile manufacturers aim for its reduction. Investigation methods of noise and vibration sources can be divided into two groups, i.e.… read more here.
Keywords: acoustics; aerodynamic acoustic; acoustic quantities; wind tunnel ... See more keywords
Low-Speed Turbofan Aerodynamic and Acoustic Prediction with an Isothermal Lattice Boltzmann Method
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DOI: 10.2514/1.j060752
Abstract: The objective of this paper is to assess the capability of the isothermal lattice Boltzmann method (LBM) to correctly capture aerodynamic and acoustic features from a low-speed turbofan. The evalua... read more here.
Keywords: aerodynamic acoustic; isothermal lattice; speed turbofan; boltzmann method ... See more keywords
Comparative Investigation on Improved Aerodynamic and Acoustic Performance of Abnormal Rotors by Bionic Edge Design and Rational Material Selection
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DOI: 10.3390/polym14132552
Abstract: Rotor plays a vital role in the dynamical system of an unmanned aerial vehicle (UAV). Prominent aerodynamic and acoustic performance are a long-term pursuit for the rotor. Inspired by excellent quiet flight characteristics of owls,… read more here.
Keywords: bionic edge; aerodynamic acoustic; acoustic performance; rotor ... See more keywords