Results 41 to 50 of about 194,541 (227)

Graded Minimal Surface Structures with High Specific Strength for Broadband Sound Absorption Produced by Laser Powder Bed Fusion

Coatings, 2023
In this research, a design method for triply periodic minimal surface (TPMS) structures with a high specific strength for broadband sound absorption is proposed.
Mingkang Zhang, Chang Liu, Mingjian Deng, Yuhao Li, Jinwei Li, Di Wang   +5 more
semanticscholar   +1 more source

Numerical simulation of sound absorption coefficient of wood perforated wall panel with uniform small geometric patterns [PDF]

, 2012
Wood perforated wall panel with geometric pattern is a form of direct piercing carved wood panel (DPCWP). It has been extensively used as decoration element in Malay architecture especially in palaces, mosques, public building and some houses.
Hassan, Hasnizom
core  

Influence of Density on Sound Absorption Coefficient of Fibre Board

, 2017
For acoustic applications such as theaters, cinema halls, auditoriums the data on acoustic properties i.e. sound absorption coefficient and sound transmission loss are required to evaluate the acoustic behavior of panel products and to facilitate the ...
A. Nandanwar, M. C. Kiran, K. Varadarajulu   +2 more
semanticscholar   +1 more source

Influence of Particle Size and Bulk Density on Sound Absorption Performance of Oil Palm Frond-Reinforced Composites Particleboard

Polymers, 2023
The present study deals with the sound absorption performance of natural fibres from the oil palm frond (OPF), mainly considered agricultural waste.
J. Luis, Efra í n Rubio Rosas, Budi Istana, I. Made, Londen Batan, Samrith Khem, U. Ubaidillah, Iwan Yahya   +7 more
semanticscholar   +1 more source

Aplicação de absorvedores tipo membrana em cavidades e filtros acústicos [PDF]

, 2008
Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro Tecnológio. Programa de Pós-Graduação em Engenharia Mecânica.Os absorvedores tipo membrana são absorvedores acústicos compostos de uma cavidade, cujo interior é parcialmente ...
Carneiro, Eric Brandão
core  

Sound absorption performance of lattice structures in spiral-shaped flow channels

Nihon Kikai Gakkai ronbunshu
This study investigates how incorporating a twisted wall structure into a lattice structure improves sound absorption performance based on the numerical and experimental investigation.
Seiji MIYAKE, Kuniharu USHIJIMA, Takashi YAMAMOTO   +2 more
doaj   +1 more source

Study on the possibility of using bagasse in manufacture of sound-proof particleboard [PDF]

Iranian Journal of Wood and Paper Industries, 2012
Acoustic properties of composite boards made out of bagasse were studied in this research. Urea-formaldehyde (UF) and melamine-urea-formaldehyde (MUF) adhesives were used to produce homogeneous as well as three-layered insulating boards with three ...
Kazem D.Hosseini, Abdollah Elyasi
doaj  

A Novel Theoretical Modeling for Predicting the Sound Absorption of Woven Fabrics Using Modification of Sound Wave Equation and Genetic Algorithm

AUTEX Research Journal, 2021
Woven fabric in Indonesia is generally known as a material for making clothes and it has been applied as an interior finishing material in buildings, such as sound absorbent material.
Putra Valentinus Galih Vidia, Irwan, Wijayono Andrian, Mohamad JulianyNingsih, Yusuf Yusril   +4 more
doaj   +1 more source

Estimation of Metal Foam Microstructure Parameters for Maximum Sound Absorption Coefficient in Specified Frequency Band Using Particle Swarm Optimisation

, 2022
The study aims to estimate metal foam microstructure parameters for the maximum sound absorption coefficient (SAC) in the specified frequency band to obtain optimum metal foam fabrication.
Abbasi, M, Sharak, MN, Tehrani, MJ, Madvari, RF   +3 more
core   +1 more source

Multi‐Level Bioinspired Microlattice with Broadband Sound‐Absorption Capabilities and Deformation‐Tolerant Compressive Response

Advanced Functional Materials, 2022
Owing to the omnipresent noise and crash hazards, multifunctional sound‐absorbing, and deformation‐tolerant materials are highly sought‐after for practical engineering design. However, challenges lie with designing such a material. Herein, leveraging the
Xinwei Li, Xiang Yu, Miao Zhao, Zhendong Li, Zhonggang Wang, Wei Zhai   +5 more
semanticscholar   +1 more source