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A review on polymer-based materials for underwater sound absorption
Polymer Testing, 2021 Greater demands for underwater sound absorption materials have been growing due to the concern about underwater noise control in water. Among the range of existing materials, polymer-based materials are increasingly being utilized as underwater sound ...
Yifeng Fu +3 more
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Results in EngineeringThis study proposes an underwater coating with sound absorption ability in the middle-to-low frequency range and establishes an acoustic theoretical model combining the equivalent medium theory and the transfer matrix method.
Nansha Gao +3 more
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Research Progress on Sound Absorption of Electrospun Fibrous Composite Materials
Nanomaterials, 2022 Noise is considered severe environmental pollutant that affects human health. Using sound absorption materials to reduce noise is a way to decrease the hazards of noise pollution.
Xiuhong Li +5 more
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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
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Recent study progress of underwater sound absorption coating
Engineering Reports, 2023 Based on the recent development of underwater sound absorption coatings, this paper analyzes the evolution of underwater sound absorption coatings from two aspects: traditional structures and metamaterials.
Zhicheng Zhang, Yanbiao Zhao, Nansha Gao
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Sound absorption properties for multi-layer of composite materials using nonwoven fabrics with kapok
Journal of Industrial Textiles, 2022 Kapok fiber with high degree of hollow and small fiber diameter has excellent sound absorption. To optimize the sound absorption characters at the low frequency, sound absorption coefficients and specific surface impedance of two-layer, three-layer, and ...
Xueting Liu +2 more
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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
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Low-frequency sound absorption performance of composite acoustic metamaterials with rotational labyrinth channels and micro-perforated panels [PDF]
AIP AdvancesIn this paper, a kind of novel acoustic metamaterial combined with a rotational labyrinth and a micro-perforated plate is designed. The design of the rotational labyrinth structure combined with micro-perforated plates endows the acoustic metamaterial ...
Xinxin Liu +4 more
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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
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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
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