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Research on the Sound Insulation Performance of Composite Rubber Reinforced with Hollow Glass Microsphere Based on Acoustic Finite Element Simulation. [PDF]

open access: yesPolymers (Basel), 2023
The composite rubber reinforced with hollow glass microsphere (HGM) was a promising composite material for noise reduction, and its sound insulation mechanism was studied based on an acoustic finite element simulation to gain the appropriate parameter ...
Yang X, Tang S, Shen X, Peng W.
europepmc   +2 more sources

Effect of the Laying Order of Core Layer Materials on the Sound-Insulation Performance of High-Speed Train Carbody. [PDF]

open access: yesMaterials (Basel), 2023
The design of sound-insulation schemes requires the development of new materials and structures while also paying attention to their laying order. If the sound-insulation performance of the whole structure can be improved by simply changing the laying ...
Wang R, Yao D, Zhang J, Xiao X, Jin X.
europepmc   +2 more sources

A Particle Reinforced Gradient Honeycomb Sandwich Panel for Broadband Sound Insulation

open access: yesMathematics, 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   +3 more
doaj   +2 more sources

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

open access: yesMaterials (Basel)
This paper presents a type of acoustic metamaterial that combines a labyrinth channel with a Helmholtz cavity and a thin film. The labyrinth-opening design and thin-film combination contribute to the metamaterial’s exceptional sound-insulation ...
Hu P   +5 more
europepmc   +2 more sources

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

open access: yesSensors
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]

open access: yesMicromachines, 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   +4 more
doaj   +2 more sources

Research Progress on Thin-Walled Sound Insulation Metamaterial Structures

open access: yesAcoustics
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   +7 more
doaj   +2 more sources

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

open access: yesInternational 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

Effect of sound insulation by adhesion of laminated sound insulation materials

open access: yesNihon Kikai Gakkai ronbunshu, 2016
This report shows effect of sound insulation by adhesion of porous materials and film laminated panel. It deals a technique for estimating damped vibration of automotive body panels with sound-proof structures.
Yoshio KUROSAWA   +3 more
doaj   +3 more sources

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

open access: yesAcoustics, 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   +4 more
doaj   +1 more source

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