Results 1 to 10 of about 314,481 (350)

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
doaj   +3 more sources

Research Progress on Sound Absorption of Electrospun Fibrous Composite Materials [PDF]

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, Yujie Peng, Youqi He, Chupeng Zhang, Daode Zhang, Yong Liu   +5 more
doaj   +2 more sources

Mechanism of effective depth enhancement and broadband sound absorption optimization in nested resonators with multiple cross-sections

Materials & Design
This study presents a class of three-layer nested sound absorption resonators with multiple cross-sectional features, revealing their sub-wavelength characteristics and broadband sound absorption potential through a series of studies. A precise effective
Yiming Zhao, Zichao Guo, Jie Ye, Zhendong Li, Kexin Zeng, Xinying Lu, Zhonggang Wang   +6 more
doaj   +2 more sources

Sound Absorption in Glasses

SSRN Electronic Journal, 2022
Review on sound absorption in glasses, 23 pages, 17 ...
Buchenau, U., D'Angelo, G., Carini, G., Liu, X., Ramos, M. A.   +4 more
openaire   +5 more sources

Study on the Low-Frequency and Broadband Sound Absorption Performance of an Underwater Anechoic Layer with Novel Design

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, Yongshui Lin, Zhiwei Zhou, Xiaofei Cao, Qingjia Chi, Weiguo Wu   +5 more
doaj   +1 more source

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
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

Noise reduction with coupled prismatic tubes [PDF]

, 2000
The present investigation focuses on an accurate description of sound absorption. Within this research a new technique to create sound absorption for a predefined frequency band has been developed. Additionally, a simple and efficient numerical model for
Eerden, Fredericus Joseph Marie van der
core   +9 more sources

Deformation Dependent Sound Absorption Property of a Novel Magnetorheological Membrane Sound Absorber

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, Xufeng Cao, Xiaoling Zhou, Xinglong Gong, Shouhu Xuan   +4 more
doaj   +1 more source

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
doaj   +1 more source