[HTML][HTML] Wood chip sound absorbers: Measurements and models
Normal incidence absorption coefficient spectra of samples made from glued wood chips
have been measured for various mesh sizes, bulk densities, thicknesses, and air gaps …
have been measured for various mesh sizes, bulk densities, thicknesses, and air gaps …
Optimization and Comparative Analysis of micro-perforated panel sound absorbers: A study on structures and performance enhancement
In this study, three MPP (micro-perforated panels) absorber configurations (simple, series,
parallel) were investigated via the response surface method (RSM) to broaden the …
parallel) were investigated via the response surface method (RSM) to broaden the …
Comprehensive analysis of acoustic properties of cellulose nano fibers absorbers: experimental and FEM-based mathematical modeling evaluation
P Mohammad Alizadeh, O Ahmadi… - International Journal of …, 2024 - Springer
This research investigates the acoustic properties of cellulose nanofiber-based (CNF) foam
sound absorbers. Samples with varying thicknesses (10, 20, and 30 mm) and air gap widths …
sound absorbers. Samples with varying thicknesses (10, 20, and 30 mm) and air gap widths …
Investigating the acoustic and morphological performance of Arundo donax reed particles treated by using sodium hydroxide (NaOH)
The present investigation aims to explore the potential of chemical treatment to improve the
acoustic and morphological performance of Arundo donax reed particles. To this end, both …
acoustic and morphological performance of Arundo donax reed particles. To this end, both …
[PDF][PDF] Enhancing Sound Absorption in Micro-Perforated Panel and Porous Material Composite in Low Frequencies: A Numerical Study Using FEM
MJ SheikhMozafari - Sound Vib., 2024 - researchgate.net
Mitigating low-frequency noise poses a significant challenge for acoustic engineers, due to
their long wavelength, with conventional porous sound absorbers showing limitations in …
their long wavelength, with conventional porous sound absorbers showing limitations in …