Results 1 to 10 of about 205,869 (198)
Sound absorption performance of a conch-imitating cavity structure [PDF]
Science Progress, 2022 At present, in order to solve noise pollution, many experts are studying methods to improve the noise reduction performance of sound barriers and acoustic devices.
Suchao Xie +3 more
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Sound Absorption Performance of the Poplar Seed Fiber/PCL Composite Materials. [PDF]
Materials (Basel), 2020 Composite materials were prepared by the hot pressing method using poplar seed fibers and polycaprolactone (PCL) as the raw materials to solve the problems related to the recycling of waste fibers. The effects of mass fraction of poplar seed fibers, the volume density, and thickness on the sound absorption performance of the resulting composite ...
Liu Y, Lyu L, Guo J, Wang Y.
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Experimental and mathematical survey of sound absorption performance of date palm fibers. [PDF]
Heliyon, 2019 The present study examines the acoustic behavior sample composites made of date palm natural fibers and polyvinyl alcohol. It also provides the comparison between the sound absorption coefficients obtained from the experimental tests and the ones predicted by the mathematical models.
Taban E +4 more
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Influences of Compression Ratios on Sound Absorption Performance of Porous Nickel–Iron Alloy
Metals, 2018 The improvement of sound absorption performance of porous metal is a focus of research in the field of noise reduction. Influences of compression ratios on sound absorption performance of a porous nickel–iron (Ni–Fe) alloy were investigated.
Panfeng Bai +5 more
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Results in Physics, 2019 Although the conventional locally resonant acoustic metamaterials (LRAMs) have shown better sound absorption performance in the low frequency band, the effective frequency range of the sound absorption performance is quite narrow relatively.
Kangkang Shi +4 more
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Sound absorption performance of helically perforated porous metamaterials at high temperature
Materials & Design, 2023 A high-temperature theoretical model is established to investigate the sound absorption performance of helically perforated porous metamaterials (HPPM) at high temperature. Finite element simulations are carried out to validate the theoretical model, and
Weitao Zhang, Xuewei Liu, Fengxian Xin
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Sound Absorption Performance of Sugar Palm Trunk Fibers [PDF]
E3S Web of Conferences, 2019 The purpose of this research is to investigate the effect of bulk density, thickness, and air gap to sound absorption performance on absorber based sugar palm trunk fibers.
Endar Prabowo Anditya +3 more
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Metals, 2019 Sound absorption performance of a porous metal can be improved by compression and optimal permutation, which is favorable to promote its application in noise reduction.
Fei Yang +5 more
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Materials & Design, 2019 Novel acoustic absorbers were fabricated by the compression and microperforation of the porous metal, which aimed to develop practical acoustic absorbers for the noise reduction.
Panfeng Bai +7 more
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Sound absorption performance of nonwoven fabrics
Journal of Physics: Conference Series, 2021 Abstract Nowadays, the demand of sustainable and eco- friendly absorber is increasing. Non-woven fabrics made of textile waste can be a good candidate to address such a demand. From measurement results, absorption capability of this kind of material is evident.
I Prasetiyo, null Gunawan, D R Adhika
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