On the role of turbulence distortion on leading-edge noise reduction by means of porosity
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Sound and Vibration"
DOI: 10.1016/j.jsv.2020.115561
Abstract: Abstract A possible strategy for the reduction of the aeroacoustic noise generated by turbulence interacting with a wing profile, also referred to as leading-edge noise, is represented by the implementation of a porous medium in… read more here.
Keywords: edge noise; leading edge; turbulence; noise reduction ... See more keywords
Trailing edge noise prediction based on wall pressure spectrum models for NACA0012 airfoil
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Wind Engineering and Industrial Aerodynamics"
DOI: 10.1016/j.jweia.2018.01.030
Abstract: Abstract This paper compares several approaches for the prediction of the noise emitted by a NACA0012 airfoil at 0 ∘ and 4 ∘ of angle of attack and a Reynolds number R e = 1.5… read more here.
Keywords: trailing edge; edge noise; naca0012 airfoil; prediction ... See more keywords
LES-based numerical prediction of the trailing edge noise in a small wind turbine airfoil at different angles of attack
Sign Up to like & getrecommendations! Published in 2018 at "Renewable Energy"
DOI: 10.1016/j.renene.2017.12.082
Abstract: Abstract In this paper, the aerodynamic field around a FX 63–137 airfoil for four angles of attack and low Reynolds numbers was simulated with a Large Eddy Simulation (LES). Following, an acoustic analogy method was… read more here.
Keywords: trailing edge; edge noise; angles attack; prediction ... See more keywords
Wind-Turbine Trailing-Edge Noise Reduction by Means of Boundary-Layer Suction
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DOI: 10.2514/1.j056633
Abstract: Distributed boundary-layer suction has numerically and experimentally shown great potential to reduce flow-induced trailing-edge noise. The paper aims at the transfer of this potential to an indust... read more here.
Keywords: trailing edge; boundary layer; layer suction; edge noise ... See more keywords