Active control of jet-plate interaction noise for excited jets by plasma actuators
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Sound and Vibration"
DOI: 10.1016/j.jsv.2020.115515
Abstract: Abstract This paper examines the possibility of controlling jet-wing interaction noise by plasma actuators. The low-frequency part of the jet installation noise is considered as produced by the diffraction of instability wave packets developing in… read more here.
Keywords: control; jet; plasma actuators; noise ... See more keywords
Reducing aerofoil–turbulence interaction noise through chordwise-varying porosity
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Fluid Mechanics"
DOI: 10.1017/jfm.2020.746
Abstract: Abstract This paper considers the effects of smoothly varying chordwise porosity of a finite perforated plate on turbulence–aerofoil interaction noise. The aeroacoustic model is made possible through the use of a novel Mathieu function collocation… read more here.
Keywords: chordwise varying; porosity; interaction noise; edge ... See more keywords
Analyzing Interaction Noise from a Small Contra-Rotating Fan Enclosed with Lined and Unlined Casings
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Aerospace Engineering"
DOI: 10.1061/(asce)as.1943-5525.0001285
Abstract: AbstractThe interaction noise that radiates from ducted contra-rotating (CR) fans are theoretically characterized using Green’s analytical functions for lined and unlined circular ducts containing ... read more here.
Keywords: lined unlined; noise small; interaction noise; contra rotating ... See more keywords
Noninvasive inference methods for interaction and noise intensities of coupled oscillators using only spike time data
Sign Up to like & getrecommendations! Published in 2022 at "Proceedings of the National Academy of Sciences of the United States of America"
DOI: 10.1073/pnas.2113620119
Abstract: Significance Identifying interactions is essential for understanding self-organized systems because they are a source of order, function, and complexity. However, distinguishing interaction and noise effect is generally difficult because they both critically affect the stability… read more here.
Keywords: time; spike time; inference; interaction noise ... See more keywords
Numerical Investigation of Wavy Leading Edges on Rod–Airfoil Interaction Noise
Sign Up to like & getrecommendations! Published in 2018 at "AIAA Journal"
DOI: 10.2514/1.j055825
Abstract: A hybrid computational aeroacoustics method is applied to investigate the effect of wavy leading edges on rod–airfoil interaction noise. The flow field is solved by an incompressible large-eddy sim... read more here.
Keywords: leading edges; wavy leading; edges rod; interaction noise ... See more keywords
Blade-Wake Interaction Noise for Small Hovering Rotors, Part I: Characterization Study
Sign Up to like & getrecommendations! Published in 2023 at "AIAA Journal"
DOI: 10.2514/1.j062565
Abstract: This work illustrates the use of artificial neural network modeling to study and characterize broadband blade-wake interaction noise from hovering small unmanned aerial systems rotors subject to varying airfoil geometries, rotor geometries, and operating conditions.… read more here.
Keywords: interaction noise; wake interaction; blade wake; study ... See more keywords