Results 161 to 170 of about 2,523,561 (213)

Predicting the Diffuse Sound Absorption Coefficient of a Baffled Finite Absorber

Xianhui Li
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Research on Low-Frequency Sound Absorption Based on the Combined Array of Hybrid Digital–Analog Shunt Loudspeakers

J. Liu, Yubing Xu, Chaonan Cong, Jiawei Wu   +3 more
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Effect of sample area in reverberant chamber measurements of sound absorption coefficients

, 2016
António P. O. Carvalho, Mário R. M. Sousa   +1 more
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New Class of Multifunctional Bioinspired Microlattice with Excellent Sound Absorption, Damage Tolerance, and High Specific Strength.

ACS Applied Materials and Interfaces, 2023
Although mutually independent, simultaneous sound absorption and superior mechanical properties are often sought after in a material. One main challenge in achieving such a material will be on how to design it. Herein, we propose a bamboo-inspired design
Zhendong Li, Xin‐xin Wang, Xinwei Li, Zhonggang Wang, Wei Zhai   +4 more
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Combinatorial Structural Engineering of Multichannel Hierarchical Hollow Microspheres Assembled from Centripetal Fe/C Nanosheets to Achieve Effective Integration of Sound Absorption and Microwave Absorption.

ACS Applied Materials and Interfaces, 2023
Electromagnetic radiation and noise pollution are two of the four major environmental pollution sources. Although various materials with excellent microwave absorption performances or sound absorption properties have been manufactured, it is still a ...
Susu Bao, Meixi Zhang, Xiangjian Bu, Wenbo Zhang, Zhiyuan Jiang, Zhaoxiong Xie   +5 more
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A Regulable Polyporous Graphite/Melamine Foam for Heat Conduction, Sound Absorption and Electromagnetic Wave Absorption.

Small, 2023
To reduce electromagnetic interference and noise pollution within communication base stations and servers, it is necessary for electromagnetic wave absorption (EWA) materials to transition from coating to multifunctional devices.
Zijing Li, Limin Zhang, Hongjing Wu
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Ultrathin Space‐Shift Phase‐Coherent Cancellation Metasurface for Broadband Sound Absorption

Small Methods, 2023
A space‐shift phase‐coherent cancellation acoustic metasurface is developed, which can achieve broadband low‐frequency sound absorption via ultra‐thin integrated structure composed of multiple units with weak absorption capability.
Fuyin Ma, Hao Zhang, Xingzhong Wang, C. Liu, Jiu Hui Wu   +4 more
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Perfect low-frequency sound absorption of rough neck embedded Helmholtz resonators.

Journal of the Acoustical Society of America, 2022
In this paper, an acoustic metamaterial, composed of rough neck embedded Helmholtz resonators, is proposed to achieve perfect sound absorption in the low-frequency range.
Lei Zhang, F. Xin
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Ultra-broadband sound absorption of a hierarchical acoustic metamaterial at high temperatures

, 2021
We develop a hierarchical acoustic metamaterial with ultra-broadband sound absorption and promising applications at high temperatures as a super sound absorber.
Zhendong Li, Zhonggang Wang, Zichao Guo, Xinxin Wang, Xi-Feng Liang   +4 more
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Broadband and low-frequency sound absorption of modified Helmholtz resonator combined with porous layer addition

Journal of Applied Physics, 2022
In this work, a hybrid acoustic material (HAM) is designed for broadband and low-frequency sound absorption based on the combination of two different materials: a porous layer (melamine foam) and a modified Helmholtz resonator with embedded necks (HRENs).
E. F. Vergara, G. Almeida, L. Barbosa, A. Lenzi, A. Carvalho de Sousa   +4 more
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