Acoustic performance of periodic steel cylinders embedded in a viscoelastic medium
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Sound and Vibration"
DOI: 10.1016/j.jsv.2018.12.013
Abstract: Abstract The acoustic performance of a locally resonant phononic crystal comprising steel cylindrical scatterers arranged periodically in a viscoelastic medium is analytically and numerically studied. Analytical expressions for the damping and dipole resonance frequency of… read more here.
Keywords: steel; viscoelastic medium; cylinders embedded; medium ... See more keywords
Acoustic performance of a resonating perforated liner with incident axial and circumferential acoustic modes
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Sound and Vibration"
DOI: 10.1016/j.jsv.2019.114897
Abstract: Abstract Perforated liners are a common form of passive damping device used in engineering applications to damp acoustic pressure fluctuations. The liner has many orifices arranged over the surface with a rear cavity, where the… read more here.
Keywords: acoustic modes; cavity; acoustic performance; mode ... See more keywords
Evaluation of Stochastic and Periodic Cellular Materials for Combined Heat Dissipation and Noise Reduction: Experiments and Modeling
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Transactions on Components, Packaging and Manufacturing Technology"
DOI: 10.1109/tcpmt.2020.2998078
Abstract: In many high-performance compact air-cooling technologies, it is desirable to adopt materials that provide combined heat dissipation with noise reduction (NR) in the same device. A device that adopts such material is termed here as… read more here.
Keywords: heat; heat dissipation; performance; combined heat ... See more keywords
Acoustic performance of architected hybrid metamaterials for sound attenuation applications
Sign Up to like & getrecommendations! Published in 2022 at "Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science"
DOI: 10.1177/09544062221104388
Abstract: Acoustic insulators in sound attenuation applications usually have a structure with a characteristic dimensions equivalent to the operating wavelength, posing significant challenges in low-frequency sound attenuation applications. Recent advancements in material science, advanced materials called… read more here.
Keywords: band; acoustic performance; sound attenuation; attenuation applications ... See more keywords
A Parametric Study of the Acoustic Performance of Resonant Absorbers Made of Micro-perforated Membranes and Perforated Panels
Sign Up to like & getrecommendations! Published in 2020 at "Applied Sciences"
DOI: 10.3390/app10051581
Abstract: Sound absorbing surfaces are being increasingly requested for the acoustical treatment of spaces, like offices and restaurants, where high aesthetic standards are requested. In these cases, perforated and micro-perforated panels may represent the ideal solution… read more here.
Keywords: micro perforated; study acoustic; perforated panels; acoustic performance ... See more keywords
Acoustic Performance of Floors Made of Composite Panels
Sign Up to like & getrecommendations! Published in 2023 at "Materials"
DOI: 10.3390/ma16052128
Abstract: Airborne and impact sound insulation of composite panels arranged in different configurations were investigated in this study. The use of Fiber Reinforced Polymers (FRPs) in the building industry is growing; however, poor acoustic performance is… read more here.
Keywords: acoustic performance; composite panels; floor; insulation ... See more keywords
Acoustic Performance Study of Fiber-Optic Acoustic Sensors Based on Fabry–Pérot Etalons with Different Q Factors
Sign Up to like & getrecommendations! Published in 2022 at "Micromachines"
DOI: 10.3390/mi13010118
Abstract: The ideal development direction of the fiber-optic acoustic sensor (FOAS) is toward broadband, a high sensitivity and a large dynamic range. In order to further promote the acoustic detection potential of the Fabry–Pérot etalon (FPE)-based… read more here.
Keywords: acoustic performance; different factors; detection; fiber optic ... See more keywords
Comparative Investigation on Improved Aerodynamic and Acoustic Performance of Abnormal Rotors by Bionic Edge Design and Rational Material Selection
Sign Up to like & getrecommendations! Published in 2022 at "Polymers"
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