Design and experimental investigation of broadband quasi-perfect composite loaded sound absorber at low frequencies

Simple meta-structure that can achieve the quasi-perfect absorption throughout a frequency range of 200 – 500 Hz at 350°C

(2020) WENQIANG XU et al.   Applied Physics Express

Labyrinthine acoustic metastructures enabling broadband sound absorption and ventilation

(2020) Sanjay Kumar et al.   APPLIED PHYSICS LETTERS

A double porosity material for low frequency sound absorption

(2020) Honggang Zhao et al.   COMPOSITE STRUCTURES

Ultra-broadband acoustic absorption of a thin microperforated panel metamaterial with multi-order resonance

(2020) Chong Rui Liu et al.   COMPOSITE STRUCTURES

Teaching-learning-based optimization of a composite metastructure in the 0–10 kHz broadband sound absorption range

(2020) Nansha Gao et al.   JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA

Subwavelength broadband sound absorber based on a composite metasurface

(2020) Houyou Long et al.   Scientific Reports

New mechanism of tunable broadband in local resonance structures

(2020) Yong Yan Zhang et al.   APPLIED ACOUSTICS

An underwater metamaterial for broadband acoustic absorption at low frequency

(2020) Nansha Gao et al.   APPLIED ACOUSTICS

Hybrid composite meta-porous structure for improving and broadening sound absorption

(2020) Nansha Gao et al.   MECHANICAL SYSTEMS AND SIGNAL PROCESSING

Acoustic perfect absorbers via Helmholtz resonators with embedded apertures

(2019) Sibo Huang et al.   JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA

Low-frequency anechoic metasurface based on coiled channel of gradient cross-section

(2019) Yuchen Shen et al.   APPLIED PHYSICS LETTERS

A three-parameter analytical model for the acoustical properties of porous media

(2019) Kirill V. Horoshenkov et al.   JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA

Acoustic absorbers at low frequency based on split-tube metamaterials

(2019) Peng Wu et al.   PHYSICS LETTERS A

Numerical modelling of the sound absorption spectra for bottleneck dominated porous metallic structures

(2019) A.J. Otaru et al.   APPLIED ACOUSTICS

Broadband ultra-thin acoustic metasurface absorber with coiled structure

(2019) Yifan Zhu et al.   Applied Physics Express

Broadband near-perfect absorption of low-frequency sound by subwavelength metasurface

(2019) Houyou Long et al.   APPLIED PHYSICS LETTERS

A robust actively-tunable perfect sound absorber

(2019) Wei Ao et al.   APPLIED PHYSICS LETTERS

Quasi-perfect absorption achieved throughout low frequency range via acoustic meta-surface

(2019) Wenqiang Xu et al.   JAPANESE JOURNAL OF APPLIED PHYSICS

Broadband low-frequency sound absorption by periodic metamaterial resonators embedded in a porous layer

(2019) Xing-Feng Zhu et al.   JOURNAL OF SOUND AND VIBRATION

Acoustic wave propagation in effective graded fully anisotropic fluid layers

(2019) Théo Cavalieri et al.   JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA

Low-frequency perfect sound absorption achieved by a modulus-near-zero metamaterial

(2019) Chen Shao et al.   Scientific Reports

Experimental and computational investigation of sound absorption performance of sustainable porous material: Yucca Gloriosa fiber

(2019) Parham Soltani et al.   APPLIED ACOUSTICS

A low frequency underwater metastructure composed by helix metal and viscoelastic damping rubber

(2018) Nansha Gao et al.   JOURNAL OF VIBRATION AND CONTROL

Mesophase pitch based carbon foams as sound absorbers

(2018) Nansha Gao et al.   MATERIALS LETTERS

Sound absorption of a new oblique-section acoustic metamaterial with nested resonator

(2018) Nansha Gao et al.   MODERN PHYSICS LETTERS B

Perfect sound absorption of ultra-thin metasurface based on hybrid resonance and space-coiling

(2018) H. Ryoo et al.   APPLIED PHYSICS LETTERS

Enhancing the sound absorption performance of porous metals using tomography images

(2018) A.J. Otaru   APPLIED ACOUSTICS

A thin low-frequency broadband metasurface with multi-order sound absorption

(2018) Chong Rui Liu et al.   JOURNAL OF PHYSICS D-APPLIED PHYSICS

Theoretical model of absorption coefficient of an inhomogeneous MPP absorber with multi-cavity depths

(2018) Ali Ibrahim Mosa et al.   APPLIED ACOUSTICS

Acoustical siphon effect for reducing the thickness in membrane-type metamaterials with low-frequency broadband absorption

(2018) Chong Rui Liu et al.   APPLIED ACOUSTICS

Wide-angle asymmetric acoustic absorber based on one-dimensional lossy Bragg stacks

(2017) Houyou Long et al.   JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA

Rainbow-trapping absorbers: Broadband, perfect and asymmetric sound absorption by subwavelength panels for transmission problems

(2017) Noé Jiménez et al.   Scientific Reports

Ultra-thin metamaterial for perfect and quasi-omnidirectional sound absorption

(2016) N. Jiménez et al.   APPLIED PHYSICS LETTERS

Acoustic metasurface-based perfect absorber with deep subwavelength thickness

(2016) Yong Li et al.   APPLIED PHYSICS LETTERS

Multiple slow waves in metaporous layers for broadband sound absorption

(2016) Jieun Yang et al.   JOURNAL OF PHYSICS D-APPLIED PHYSICS

Use of complex frequency plane to design broadband and sub-wavelength absorbers

(2016) V. Romero-García et al.   JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA

Coherent perfect absorption induced by the nonlinearity of a Helmholtz resonator

(2016) V. Achilleos et al.   JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA

Broadband quasi perfect absorption using chirped multi-layer porous materials

(2016) N. Jiménez et al.   AIP Advances

Three-Dimensional Single-Port Labyrinthine Acoustic Metamaterial: Perfect Absorption with Large Bandwidth and Tunability

(2016) Chi Zhang et al.   Physical Review Applied

Simulation of sound propagation over porous barriers of arbitrary shapes

(2015) Guoyi Ke et al.   JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA

Ultrathin low-frequency sound absorbing panels based on coplanar spiral tubes or coplanar Helmholtz resonators

(2014) Xiaobing Cai et al.   APPLIED PHYSICS LETTERS

Dark acoustic metamaterials as super absorbers for low-frequency sound

(2012) Jun Mei et al.   Nature Communications