Development of thin sound absorber by parameter optimization of multilayer compressed porous metal with rear cavity
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DOI: 10.1016/j.apacoust.2019.107071
Abstract: Abstract Practicability and applicability of the sound absorber can be improved by reducing its total thickness. The thin sound absorber was developed by optimizing the multilayer compressed porous metal with the rear cavity in this… read more here.
Keywords: porous metal; sound absorber; sound; multilayer compressed ... See more keywords
Design and experimental investigation of broadband quasi-perfect composite loaded sound absorber at low frequencies
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DOI: 10.1016/j.apacoust.2021.108026
Abstract: Abstract We designed a composite loaded sound absorber (CLSA) composed of a sub-wavelength Helmholtz resonator and porous material, which was loaded on the side branches of a rectangular tube. Based on the transfer matrix method,… read more here.
Keywords: broadband quasi; quasi perfect; sound absorber; absorption ... See more keywords
Sound Absorption Characteristics of Pineapple Leaf/Epoxy Composite
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DOI: 10.24425/aoa.2020.133144
Abstract: Natural fibres are attractive as the raw material for developing sound absorber, as they are green, eco-friendly, and health friendly. In this paper, pineapple leaf fibre/epoxy composite is considered in sound absorber development where several… read more here.
Keywords: pineapple leaf; epoxy composite; sound absorber; absorption ... See more keywords