Results 11 to 20 of about 2,768,062 (267)
Damping and sound absorption properties of polymer matrix composites: A review
Polymer Testing, 2021 This review article provides a comprehensive overview of fiber and nanoparticle reinforced polymer matrix composites (PMC) for their damping and sound absorption properties.
Md Abu Shaid Sujon +2 more
doaj +2 more sources
Journal of Marine Science and Engineering, 2023 To further improve the low-frequency broadband sound absorption capability of the underwater anechoic layer (UAL) on the surface of marine equipment, a novel sound absorption structure with cavities (NSSC) is designed by adding resonators and honeycombs ...
Jinshun Hu +5 more
doaj +1 more source
Investigation of sound absorption capability of pine (Pinus densiflora) cone particles
Journal of Wood Science, 2023 In this study, the sound absorption capability of pine (Pinus densiflora) cone particles was investigated as an alternative and eco-friendly, sound-absorbing material.
Eun-Suk Jang, Chun-Won Kang
doaj +1 more source
Harnessing cavity dissipation for enhanced sound absorption in Helmholtz resonance metamaterials.
Materials Horizons, 2023 Helmholtz resonance, based on resonance through a pore-and-cavity structure, constitutes the primary sound absorption mechanism in majority of sound-absorbing metamaterials. Typically, enhancing sound absorption in such absorbers necessitates substantial
Xinwei Li +3 more
semanticscholar +1 more source
Advanced Functional Materials, 2022 Owing to the omnipresent noise and crash hazards, multifunctional sound‐absorbing, and deformation‐tolerant materials are highly sought‐after for practical engineering design. However, challenges lie with designing such a material. Herein, leveraging the
Xinwei Li +5 more
semanticscholar +1 more source
Small, 2022 Being a lightweight material with high design freedoms, there are increasing research interests in microlattice metamaterials as sound absorbers. However, thus far, microlattices are limited to one sound dissipation mechanism, and this inhibits their ...
Xinwei Li, Xiang Yu, W. Zhai
semanticscholar +1 more source
Applied Sciences, 2022 Composite structures can be designed with specific parameters for efficient sound absorption in specific frequency bands; however, determining the optimal parameters and topology to maximize sound absorption is a computationally challenging task. In this
Junzhe Zhang +3 more
doaj +1 more source
Enhanced Low-Frequency Sound Absorption of a Porous Layer Mosaicked with Perforated Resonator
Polymers, 2022 A composite structure composed of a porous-material layer mosaicked with a perforated resonator is proposed to improve the low-frequency sound absorption of the porous layer. This structure is investigated in the form of a porous-material matrix (PM) and
Xin Li, Bilong Liu, Qianqian Wu
semanticscholar +1 more source
ACOUSTICAL PROPERTIES OF WOOD IN 2000, 4000 AND 8000 IN HERTZ FERQUENCIES [PDF]
تحقیقات علوم چوب و کاغذ ایران, 2001 In this research solid wood properties of sound absorption coefficient in over frequency were investigated. Sound absorption at 2000, 4000 and 8000 in Hertz Frequencies was measured on the influence of effective factors in solid wood. Solid wood variable
Amir Nourbakhsh +3 more
doaj +1 more source
Frontiers in Materials, 2020 A novel membrane sound absorber based on the magnetorheological membrane (MRM) is developed for active sound absorption. Due to its good flexibility and stretch-ability, the MRM consisting of carbonyl iron particles (CIPs) and polydimethylsiloxane ...
Chuanlin Sun +4 more
doaj +1 more source