Coupling effects of boundary restraining stiffness and tension force on sound attenuation of a cavity-backed membrane duct silencer
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DOI: 10.1016/j.apacoust.2016.10.023
Abstract: Abstract In this paper, the vibro-acoustic model for predicting the sound attenuation performance of a cavity-backed membrane duct silencer is established via an improved Fourier series method, in which the membrane vibration and cavity acoustic… read more here.
Keywords: backed membrane; cavity backed; sound attenuation; cavity ... See more keywords
Linear sound attenuation model for assessing external stimuli in prenatal period
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DOI: 10.1016/j.compbiomed.2017.10.013
Abstract: The popularization of acoustic stimulation during the prenatal period encourages the analysis of sounds reaching the inside of the uterus. To assess the distortion of any sound stimuli, a mathematical model of attenuation has to… read more here.
Keywords: prenatal period; model; sound attenuation; attenuation ... See more keywords
Sound attenuation in two-dimensional glasses at finite temperatures.
Sign Up to like & getrecommendations! Published in 2022 at "Physical review. E"
DOI: 10.1103/physreve.106.054605
Abstract: The thermal conductivity of glasses exhibits an unusual temperature dependence compared to their crystalline counterparts. Sound attenuation due to disorder in glasses was proposed to be important in rationalizing this special behavior. Simulation studies suggest… read more here.
Keywords: anharmonicity; two dimensional; attenuation two; attenuation ... See more keywords
Nonlinear frequency dependence of sound attenuation in sea bottoms at low frequencies
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DOI: 10.1121/1.5014598
Abstract: In the 1980s, several papers were published that stressed the importance of non-linear frequency dependence (NLFD) of sound attenuation in marine sediments al low frequencies, and showed experimental evidence that the NLFD can have a… read more here.
Keywords: low frequencies; frequency dependence; frequency; sound attenuation ... 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
Sound attenuation and audibility of fire alarm signal in Korean residential apartment buildings: A case study
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DOI: 10.1177/1420326x16687108
Abstract: With a view to preventing casualties due to fire outbreaks in residential buildings, we investigated the sound attenuation of audible fire-alarm signals in Korean residential apartment buildings and determine an acoustic condition for enhancing the… read more here.
Keywords: fire alarm; korean residential; alarm; audibility ... See more keywords