Results 121 to 130 of about 9,574 (206)

Development of Adjustable Parallel Helmholtz Acoustic Metamaterial for Broad Low-Frequency Sound Absorption Band. [PDF]

Materials (Basel), 2022
Yang X, Yang F, Shen X, Wang E, Zhang X, Shen C, Peng W.   +6 more
europepmc   +1 more source

Application of Cellulose and Paper-Based Products in Building Acoustics

Archives of Acoustics
This article presents a comprehensive acoustic study of paper-based building products: cellulose wool,paperboard, corrugated cardboard, and honeycomb panels. The material configurations included the intact form as well as the various modifications, i.e.,
Aleksandra KLIMEK, Jerzy F. ŁATKA, Paweł NIERADKA, Andrzej DOBRUCKI   +3 more
doaj   +1 more source

Broadband Sound Insulation and Dual Equivalent Negative Properties of Acoustic Metamaterial with Distributed Piezoelectric Resonators. [PDF]

Materials (Basel), 2022
Zhang Z, Wang J, Li Z, Zhang X.
europepmc   +1 more source

Optimal Design of Acoustic Metamaterial of Multiple Parallel Hexagonal Helmholtz Resonators by Combination of Finite Element Simulation and Cuckoo Search Algorithm. [PDF]

Materials (Basel), 2022
Yang F, Wang E, Shen X, Zhang X, Yin Q, Wang X, Yang X, Shen C, Peng W.   +8 more
europepmc   +1 more source

Broadband Vibration Attenuation Achieved by 2D Elasto-Acoustic Metamaterial Plates with Rainbow Stepped Resonators. [PDF]

Materials (Basel), 2021
Wei W, Chronopoulos D, Meng H.
europepmc   +1 more source

Integration of Acoustic Metamaterials Made of Plastic to Improve Building Acoustics

Environmental and Climate Technologies
According to the Waste Management Policy of the European Union, the recycling and reuse of various wastes is considered the most environmentally friendly and advanced waste disposal technology that has the least impact on the environment. By applying the
Naimušin Andrej, Januševičius Tomas
doaj   +1 more source

Low-frequency acoustic isolation performance of Helmholtz cavity acoustic metamaterials with bilateral single openings

AIP Advances
In this study, we designed a single-opening Helmholtz chamber type acoustic metamaterial with two sides. The complexity of the open channel results in the material having a low frequency of the first sound insulation peak and excellent sound insulation ...
PeiZhou Hu, Jing-Bo Zhao, Hong Liu, XiaoSheng Zhang, Hong Yao, Guang-jun Zhang   +5 more
doaj   +1 more source

An Energy Focusing Flexible and Lightweight Acoustic Metamaterial for Enhanced Ultrasound Power Transfer. [PDF]

Adv Mater
Kwon HS, Yu Z, Li X, Dede EM, Lee T.
europepmc   +1 more source

Spatial Decomposition of a Broadband Pulse Caused by Strong Frequency Dispersion of Sound in Acoustic Metamaterial Superlattice. [PDF]

Materials (Basel), 2020
Jin Y, Zubov Y, Yang T, Choi TY, Krokhin A, Neogi A.   +5 more
europepmc   +1 more source

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

Sensors (Basel)
Liang X, Yuan M.
europepmc   +1 more source