Prediction of acoustic wave transmission features of the multilayered plate constructions: A review
This study collects all of the existent papers in the field of acoustic transmission across
multilayered plate constructions. Herewith, a comprehensive source is proposed wherein …
multilayered plate constructions. Herewith, a comprehensive source is proposed wherein …
[HTML][HTML] Acoustic properties of natural fiber reinforced composite micro-perforated panel (NFRC-MPP) made from cork fiber and polylactic acid (PLA) using 3D printing
The present study investigated the acoustic performance of biodegradable MPP absorbers
made of natural fiber-reinforced composites (NFRC) using 3D printing. The novelty of this …
made of natural fiber-reinforced composites (NFRC) using 3D printing. The novelty of this …
Acoustic behaviour of 3D printed bio-degradable micro-perforated panels with varying perforation cross-sections
Influence of perforations having arbitrarily varying cross-sections on the acoustic behaviour
of 3D printed bio-degradable panels made of Poly Lactic Acid (PLA) is presented. Circular …
of 3D printed bio-degradable panels made of Poly Lactic Acid (PLA) is presented. Circular …
Realization of a thin and broadband microperforated panel (MPP) sound absorber
Microperforated panel (MPP) absorber progress has continued with various configurations
for a relatively narrow bandwidth. Serial, parallel, and a combination of serial and parallel …
for a relatively narrow bandwidth. Serial, parallel, and a combination of serial and parallel …
Acoustical performance of a wavy micro-perforated panel absorber
In this study, the sound absorption performance of a wavy micro-perforated panel absorber
(WMPPA) is investigated. First, a numerical model is established to calculate the sound …
(WMPPA) is investigated. First, a numerical model is established to calculate the sound …
Sound absorption performance and mechanism of flexible PVA microperforated membrane
J Shen, HP Lee, X Yan - Applied Acoustics, 2022 - Elsevier
A flexible micro-perforated material was fabricated for acoustic application in this study,
which is different from the traditional perforated material whose general impression is rigid …
which is different from the traditional perforated material whose general impression is rigid …
Perfect low-frequency sound absorption of rough neck embedded Helmholtz resonators
L Zhang, F **n - The Journal of the Acoustical Society of America, 2022 - pubs.aip.org
In this paper, an acoustic metamaterial, composed of rough neck embedded Helmholtz
resonators, is proposed to achieve perfect sound absorption in the low-frequency range. The …
resonators, is proposed to achieve perfect sound absorption in the low-frequency range. The …
Perfect acoustic absorption of Helmholtz resonators via tapered necks
A neck tapered Helmholtz resonator possessing brilliant sound absorption in low-frequency
is designed and demonstrated in this work. The strategy offers an extra geometrical degree …
is designed and demonstrated in this work. The strategy offers an extra geometrical degree …
A study on ultra-thin and ultra-broadband acoustic performance of micro-perforated plate coupled with coiled-up space structure
Y Wang, H Yuan, Y Wang, J Xu, H Yu, C Zhang, L Ren - Applied Acoustics, 2022 - Elsevier
The sound wave of low-frequency noise has strong penetration, consumes less energy in
the propagation process, and is not easy to be consumed by traditional materials. In order to …
the propagation process, and is not easy to be consumed by traditional materials. In order to …
[HTML][HTML] On improving low-frequency sound absorption using a compound microperforated panel backed by a panel-type resonator with tuned multi-frequency …
The present work is aimed to broaden the half-absorption bandwidth and improve low
frequency sound absorption of a microperforated panel (MPP) by investigating the effects of …
frequency sound absorption of a microperforated panel (MPP) by investigating the effects of …