The noise radiated by ballasted and slab tracks
Sign Up to like & getrecommendations! Published in 2019 at "Applied Acoustics"
DOI: 10.1016/j.apacoust.2019.03.012
Abstract: Abstract Conventional railway track is supported by a layer of crushed stones known as ballast. In recent years concrete slab tracks have been introduced which have been used widely in the construction of high-speed lines.… read more here.
Keywords: slab; track; sound radiation; slab tracks ... See more keywords
Optimization and modelling methodologies for electro-viscoelastic sandwich design for noise reduction
Sign Up to like & getrecommendations! Published in 2020 at "Composite Structures"
DOI: 10.1016/j.compstruct.2019.111778
Abstract: Abstract In this paper a multilayered laminated sandwich with viscoelastic core, surface bonded piezoelectric patches and shunted damping is optimized in order to reduce sound radiation. The viscoelastic core is used since it is especially… read more here.
Keywords: electro viscoelastic; methodologies electro; sound radiation; modelling methodologies ... See more keywords
Thermal buckling and sound radiation behavior of truss core sandwich panel resting on elastic foundation
Sign Up to like & getrecommendations! Published in 2019 at "International Journal of Mechanical Sciences"
DOI: 10.1016/j.ijmecsci.2019.105055
Abstract: Abstract Due to high stiffness and other potential multifunctional application characteristics, truss core sandwich structure offers a promising alternative to traditional stiffened or corrugated sandwich plates used in aerospace and marine industry. And sound radiation… read more here.
Keywords: truss core; radiation; sound radiation; foundation ... See more keywords
Topological optimization of damping layout for minimized sound radiation of an acoustic black hole plate
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Sound and Vibration"
DOI: 10.1016/j.jsv.2019.06.036
Abstract: Abstract Damping material is one of the essential components to achieve effective Acoustic Black Hole (ABH) phenomena. Alongside the expected energy absorption by the viscoelastic coating, recent research revealed its adverse effect in increasing the… read more here.
Keywords: optimization; radiation; vibration; sound radiation ... See more keywords
Dynamics and sound radiation of a dielectric elastomer membrane
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Sound and Vibration"
DOI: 10.1016/j.jsv.2019.07.002
Abstract: Abstract This paper investigates sound radiation by an inflated dielectric elastomer membrane. The constitutive equations of the coupled electromechanical system are derived from general mechanical equilibrium equations, from Maxwell's equations, and from thermodynamic considerations. A… read more here.
Keywords: dielectric elastomer; sound radiation; elastomer membrane; membrane ... See more keywords
Influence of uneven loading condition on the sound radiation of starved lubricated full ceramic ball bearings
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Sound and Vibration"
DOI: 10.1016/j.jsv.2019.114910
Abstract: Abstract The effect of ball diameter difference is quite obvious in full ceramic bearings due to the great stiffness, and leads to the problem of uneven loading in starved lubricated conditions. This paper takes the… read more here.
Keywords: full ceramic; radiation; ball; sound radiation ... See more keywords
Sound radiation from a semi-infinite lined duct
Sign Up to like & getrecommendations! Published in 2020 at "Wave Motion"
DOI: 10.1016/j.wavemoti.2019.102407
Abstract: Abstract In this paper we consider the radiation properties of a pair of semi-infinite, parallel-plate ducts in which the inner duct is buried inside the outer duct. A Robin condition is applied to one of… read more here.
Keywords: sound radiation; radiation semi; semi infinite; duct ... See more keywords
Efficient sound radiation using a bandgap structure
Sign Up to like & getrecommendations! Published in 2019 at "Applied Physics Letters"
DOI: 10.1063/1.5110296
Abstract: This work reports on the use of bandgaps to increase the efficiency of sound radiation employing defect modes on a phononic crystal (PnC). A PnC consisting of a 2D array of studs on an aluminum… read more here.
Keywords: sound radiation; pnc; defect modes; efficiency ... See more keywords
Spalling Localization on the Outer Ring of Hybrid Ceramic Ball Bearings Based on the Sound Signals
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Access"
DOI: 10.1109/access.2019.2941982
Abstract: Spalling is one of the main defects of hybrid ceramic bearings, and the localization of the spalling is hard to realize based on traditional vibration signals. This paper proposes a new localization method for spalling… read more here.
Keywords: outer ring; sound radiation; hybrid ceramic; ceramic ball ... See more keywords
Modeling Speech Sound Radiation With Different Degrees of Realism for Articulatory Synthesis
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Access"
DOI: 10.1109/access.2022.3204816
Abstract: Articulatory synthesis is based on modeling various physical phenomena of speech production, including sound radiation from the mouth. With regard to sound radiation, the most common approach is to approximate it in terms of a… read more here.
Keywords: speech; synthesis; articulatory synthesis; radiation ... See more keywords
Sound radiation efficiency of unbaffled plates using an edge source integral equation
Sign Up to like & getrecommendations! Published in 2017 at "Journal of the Acoustical Society of America"
DOI: 10.1121/1.4988060
Abstract: The accurate prediction of sound radiation from unbaffled vibrating plates remains a challenging problem. Finite structures make the sound waves diffract off and around the edges, an effect which is particularly strong at low frequencies.… read more here.
Keywords: integral equation; edge source; sound radiation;