Results 1 to 10 of about 7,082 (112)

Acoustic Metamaterial Nanogenerator for Multi-Band Sound Insulation and Acoustic–Electric Conversion [PDF]

Sensors
Controlling low-frequency noise and achieving multi-band sound insulation remain significant challenges and have long been hot topics in industrial research.
Xinwu Liang, Ming Yuan
doaj   +2 more sources

Low-Frequency, Open, Sound-Insulation Barrier by Two Oppositely Oriented Helmholtz Resonators [PDF]

Micromachines, 2021
In this work, a low-frequency, open, sound-insulation barrier, composed of a single layer of periodic subwavelength units (with a thickness of λ/28), is demonstrated both numerically and experimentally.
Yi-Jun Guan, Yong Ge, Hong-Xiang Sun, Shou-Qi Yuan, Xiao-Jun Liu   +4 more
doaj   +2 more sources

Impact Sound Insulation Performance Testing of Nano-Inorganic Composite Floor Slabs for Green Buildings

International Journal of Analytical Chemistry, 2022
To explore the detection of impact sound insulation performance of nano-inorganic composite floor slabs for green buildings, for 4 types of floor slab practices in a certain area, we carry out the detection of the sound insulation performance of the ...
Weibing Luo, Yigang Yang, Hongyan Zhou
doaj   +2 more sources

Sound Insulation Performance of Structural Wood Wall Integrated with Wood Plastic Composite

Journal of Bioresources and Bioproducts, 2019
The sound insulation performance is an important technical index for evaluating the physical property of the building wall. Three kinds of structural wood walls integrated with wood plastic composite (WPC) were designed.
Xiaojun Yang, Xiaolan Tang, Lan Ma, Youfu Sun   +3 more
doaj   +3 more sources

Research Progress on Thin-Walled Sound Insulation Metamaterial Structures

Acoustics
Acoustic metamaterials (AMs) composed of periodic artificial structures have extraordinary sound wave manipulation capabilities compared with traditional acoustic materials, and they have attracted widespread research attention.
Yumei Zhang, Jie Zhang, Ye Li, Dan Yao, Yue Zhao, Yi Ai, Weijun Pan, Jiang Li   +7 more
doaj   +3 more sources

A Particle Reinforced Gradient Honeycomb Sandwich Panel for Broadband Sound Insulation

Mathematics, 2023
The sound insulation capacity of traditional sound insulation boards is limited by the law of mass, and any improvement in sound insulation capacity contradicts the demand for light weight.
Geman Shi, Xiaoxun Wu, Renjie Jiang, Shande Li   +3 more
doaj   +1 more source

Low-Frequency Sound-Insulation Performance of Labyrinth-Type Helmholtz and Thin-Film Compound Acoustic Metamaterial [PDF]

Materials
GuangJun Zhang, Xiaosheng Zhang, Jingbo Zhao   +2 more
exaly   +2 more sources

Identification of Key Factors Influencing Sound Insulation Performance of High-Speed Train Composite Floor Based on Machine Learning

Acoustics, 2023
The body of a high-speed train is a composite structure composed of different materials and structures. This makes the design of a noise-reduction scheme for a car body very complex. Therefore, it is important to clarify the key factors influencing sound
Ruiqian Wang, Dan Yao, Jie Zhang, Xinbiao Xiao, Ziyan Xu   +4 more
doaj   +1 more source

Comparison between Chinese Code and Eurocode on the impact sound insulation requirements of the residential floor [PDF]

MATEC Web of Conferences, 2019
At present, the impact sound insulation performance of the residential floor attracts increasing attention, which is a critical index to evaluate the physical performance of the residential building.
Zhang Xiaoyu, Hu Xiamin
doaj   +1 more source

Experimental and Numerical Investigation of Acoustic Performance for Full-Sized SPS

Shock and Vibration, 2022
The sound insulation of a sandwich plate system (SPS) was measured by the sound pressure method in fixed support boundary conditions and reverberation sound field. The results were compared with those obtained using the finite element method.
Yu Gao, Kun Liu, Wenan Jiang, Yubin Fang
doaj   +1 more source