Zobrazeno 1 - 10
of 1 317
pro vyhledávání: '"Sound transmission loss"'
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-23 (2024)
Abstract Eco-friendly natural fiber composites, such as basalt fiber composites, are gaining traction in material science but remain vulnerable to environmental degradation. This study investigates the mechanical and vibrational properties of quasi-i
Externí odkaz:
https://doaj.org/article/ce27cdac596b41db97666d18d2faff0b
Publikováno v:
Science and Engineering of Composite Materials, Vol 31, Iss 1, Pp 159-64 (2024)
The acoustic performance of metal hollow sphere (MHS) A356 aluminum matrix composites has a significant impact on their application, making it worthy of in-depth investigation. To investigate the acoustic performance and mechanism of MHS A356 aluminu
Externí odkaz:
https://doaj.org/article/955aa712201c4b2789af4c0e41536789
Publikováno v:
BioResources, Vol 19, Iss 3, Pp 5916-5934 (2024)
The escalating demand for polyurethane rigid foams (PURF) has resulted in a substantial increase in waste polyurethane products. In view of the difficulty in recycling waste PURF, this study introduces a novel mechanical recycling process that is cos
Externí odkaz:
https://doaj.org/article/2d56c711afa54cbdb594555bc1917e2e
Akademický článek
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Autor:
Naimušin Andrej, Januševičius Tomas
Publikováno v:
Environmental and Climate Technologies, Vol 28, Iss 1, Pp 208-220 (2024)
According to the Waste Management Policy of the European Union, the recycling and reuse of various wastes is considered the most environmentally friendly and advanced waste disposal technology that has the least impact on the environment. By applying
Externí odkaz:
https://doaj.org/article/a2ee70255bf14addae64c6b3176b62d7
Publikováno v:
Applied Sciences, Vol 14, Iss 19, p 8833 (2024)
This study addresses the critical challenge of developing lightweight, flexible soundproofing materials for contemporary applications by introducing an innovative Flexible Soundproofing Metapanel (FSM). The FSM represents a significant advancement in
Externí odkaz:
https://doaj.org/article/9c9fd529d3b842a6a0c09838c63316a4
Akademický článek
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Publikováno v:
Jurnal Fisika Flux, Vol 20, Iss 2, Pp 167-174 (2023)
Measurements of sound transmission loss have been successfully carried out on various thicknesses of nylon membrane as an absorbing material. Nylon membrane were prepared using hydrogen chloride (HCl) and acetyl aceton in the casting solution by phas
Externí odkaz:
https://doaj.org/article/eebf782c334d4544bcde90be62b9fcea
Publikováno v:
Environmental and Climate Technologies, Vol 28, Iss 1 (2024)
According to a European Commission report, around 675 000 tons of polyurethane foam waste is generated in Europe annually. Only 11 % of this waste is recycled, and the rest goes to landfills or is incinerated, so it is worth looking for new ways to t
Externí odkaz:
https://doaj.org/article/a0c7f9e9b1374a8bb4d3d221f01e0eb7
Publikováno v:
Materials & Design, Vol 232, Iss , Pp 112091- (2023)
Impedance-matching structures (IMSs) with low sound transmission loss (TL) are of great importance in engineering applications. Due to the limitations of the traditional research methods, the designs of the IMSs were usually empirically guided, e.g.,
Externí odkaz:
https://doaj.org/article/ee01a8e75d0942fca6ad7f9873783105