Results 11 to 20 of about 47,682 (214)

A Semi-Empirical Model for Sound Absorption by Perforated Plate Covered Open Cell Foam and Improvements from Optimising the Perforated Plate Parameters

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, Tianning Chen, Bo Zhang, Jian Zhu   +3 more
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Study of the Sound Absorption Performance of Ethylene-Vinyl Acetate Foam Materials

Medžiagotyra, 2019
Ethylene-Vinyl Acetate (EVA) polymer foam was prepared using a mold for this investigation. The effect of the cell structure parameters and pore filling gas type on the sound absorption performance of the EVA foam materials were analyzed in terms of ...
Wei GONG, Yu Long MA, Da Ming BAN, Xiao Gang YIN, Li HE, Hai FU   +5 more
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Investigation of the sound absorption properties of gypsum particleboard produced with kenaf stalks and nano clay [PDF]

تحقیقات علوم چوب و کاغذ ایران, 2014
In this study sound absorption coefficient and hardness of gypsum particleboard produced with kenaf stalk and nano clay were investigated. Variables in this study were weight ratio of kenaf stalks to poplar wood in three levels (40, 50 and 60 %) and nano
Hossein Rangavar, Mohammad hassan Payan
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Optimization of Sound Absorption Performance of OGFC Asphalt Mixture Based onAcoustic Parameters [PDF]

Zhengzhou Daxue xuebao. Gongxue ban
In the phenomenological model, the sound absorption coefficient of porous materials was used to explaintakes into account the energy dissipation generated by the propagation of sound waves in the void structure.
WU Wenliang, LI Chenyue, DAI Shenglin
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Sound absorption performance of micro-perforated plate sandwich structure based on triply periodic minimal surface

Journal of Materials Research and Technology, 2023
The sandwich structure based on Triply periodic minimal surface (TPMS) is a lightweight and high-strength multifunctional composite material that combines the versatility of heat exchange, impact resistance, and energy absorption, and has been widely ...
Pengfei Zhang, Zhonghua Li, Bin Liu, Yujun Zhou, Miao Zhao, Gaohui Sun, Sichen Pei, Xiangnan Kong, Peikang Bai   +8 more
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On-demand optimize design of sound-absorbing porous material based on multi-population genetic algorithm

e-Polymers, 2020
Porous material (PM) shows good sound absorption performance, however, the sound absorbing property of PM with different parameters are greatly different.
Wang Yonghua, Liu Shengfu, Wu Haiquan, Zhang Chengchun, Xu Jinkai, Yu Huadong   +5 more
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Sound absorption property of openpore aluminum foams [PDF]

China Foundry, 2007
This paper presents a study on sound absorption property of aluminum foam by evaluating its sound absorption coefficients using standing wave tube method. Experimental results showed that the average values of sound absorption coefficients (over the test
WANG Fang, WANG Lu-cai, WU Jian-guo
doaj  

Improved sound absorption with 3D-printed micro-perforated sandwich structures

Journal of Materials Research and Technology
The micro-perforated sandwich structure based on triply periodic minimal surfaces (TPMS) is a lightweight, high-strength and multi-functional structure, which integrates heat exchange, impact resistance, energy absorption, etc., and has been widely used ...
Peng-Fei Zhang, Zhong-Hua Li, Yu-Jun Zhou, Qi-Fei Zhang, Bin Liu, Fei Liu, Si-Chen Pei, Ke Shi, Pei-kang Bai   +8 more
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Study for sound-absorbing materials of biomass tubule (Oblique incident sound-absorption coefficient of oblique arrangement of rice straws)

Nihon Kikai Gakkai ronbunshu, 2016
In this paper, we report the use of sound-absorbing materials, specifically sound-absorbing structures of bundled rice straws, that are oblique arranged incident to the sound waves.
Shuichi SAKAMOTO, Taisei TSURUMAKI, Kohei FUJISAWA, Koki YAMAMIYA   +3 more
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Improved low-frequency sound absorption of porous silicone rubber resonance sheet with periodic cavities

Journal of Low Frequency Noise, Vibration and Active Control, 2022
Since the development of advanced sound absorption material is highly critical in noise control applications, anechoic coatings, and acoustic metamaterials, both fabrication technology and structure design are significant in the achievement of broadband ...
Longgui Peng, Pu Zhao, Huanquan Cheng, Qirui He, Lifei Du   +4 more
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