A broadband acoustic panel based on double-layer membrane-type metamaterials

H Nguyen, Q Wu, J Chen, Y Yu, H Chen… - Applied Physics …, 2021 - pubs.aip.org
Low-frequency noise is a growing problem in large structures of modern transportation
technologies. In this study, we report a large-scale acoustic panel made of double-layer …

A Fano-based acoustic metamaterial for ultra-broadband sound barriers

HQ Nguyen, Q Wu, H Chen… - … of the Royal …, 2021 - royalsocietypublishing.org
Ultra-broadband sound reduction schemes covering living and working noise spectra are of
high scientific and industrial significance. Here, we report, both theoretically and …

Design of Double-Tuned Helmholtz Resonators Created by Punching Small Slots on a Thin-Walled Tube to Reduce Low-Frequency Tonal Noise

H Zhou, TW Wu, DW Herrin - 2021 - sae.org
Helmholtz resonators are often used in the design of vehicle mufflers to target tonal noise at
a few specific low frequencies generated by the engine. Due to the uncertainty of …

Development of Acoustic Metamaterials for Efficient Sound Control and Noise Mitigation

H Nguyen - 2021 - search.proquest.com
Acoustic metamaterials have been studied intensively recently since they can expose
unnatural-born properties, potentially breaking the capacity limits of conventional acoustic …