|
|
|
|
|
P. C. Iglesias, L. Godinho and J. Redondo
Extracting the microscopic parameters of a porous material is a complex task, and attempts have been made to develop models that can simulate their characteristics, gathering the least amount of information possible. As a case in point, tests to evaluate...
ver más
|
|
|
|
|
|
|
|
|
|
|
Freddy Richard Apaza, Víctoriano Fernández Vázquez, Santiago Expósito Paje, Federico Gulisano, Valerio Gagliardi, Leticia Saiz Rodríguez and Juan Gallego Medina
In the last decade, various asphalt paving materials have undergone investigation for sound attenuation purposes. This research aims to delve into the innovative design of sustainable road pavements by examining sound absorption in rubber-modified asphal...
ver más
|
|
|
|
|
|
|
|
|
|
|
Jinshun Hu, Yongshui Lin, Zhiwei Zhou, Xiaofei Cao, Qingjia Chi and Weiguo Wu
To further improve the low-frequency broadband sound absorption capability of the underwater anechoic layer (UAL) on the surface of marine equipment, a novel sound absorption structure with cavities (NSSC) is designed by adding resonators and honeycombs ...
ver más
|
|
|
|
|
|
|
|
|
|
|
Milica Jovanoska Mitrevska, Viktor Mickovski, Todorka Samardzioska and Gino Iannace
Polyurethane foam (PUF) is an exceptionally adaptable product that has a variety of applications?it can be found almost everywhere. Due to such high utilization, the amount of polyurethane foam waste generated each year is growing over time. Rebonding po...
ver más
|
|
|
|
|
|
|
|
|
|
|
A-Hyeon Jo, Chan-Jae Park and Chan-Hoon Haan
Because speech recognition performance is significantly lower at the age of nine or younger, the acoustic performance standards of classrooms for young children should be investigated. This study derives the appropriate reverberation time for lower-grade...
ver más
|
|
|
|
|
|
|
|
|
|
|
Ali Haider Adeeb and Zühre Sü Gül
This study investigates the indoor acoustical characteristics of a Middle Byzantine masonry church in Cappadocia. The Bell Church is in partial ruins; therefore, archival data and the church?s remains are used for its acoustical reconstruction. The study...
ver más
|
|
|
|
|
|
|
|
|
|
|
Huong Nguyen Minh, Marie Muller and Kay Raum
Delay-and-sum (DAS) beamforming of backscattered echoes is used for conventional ultrasound imaging. Although DAS beamforming is well suited for imaging in soft tissues, refraction, scattering, and absorption, porous mineralized tissues cause phase aberr...
ver más
|
|
|
|
|
|
|
|
|
|
|
Daniela-Roxana Tamas-Gavrea, Raluca Istoan, Ancuta Elena Tiuc, Tünde-Orsolya Dénes, Ovidiu Vasile and Horia Constantinescu
Plant fibres are materials that can increase energy savings, and they are being analysed for their reduced environmental impact. In this paper, three types of multi-layered panels were developed as environmentally friendly flax fibre-based products for b...
ver más
|
|
|
|
|
|
|
|
|
|
|
Giuseppe Ciaburro, Gino Iannace, Virginia Puyana-Romero and Amelia Trematerra
Giant reeds represent a natural fiber widely available in some areas of the world. Its use can be particularly useful as the uncontrolled growth of giant reeds can be a problem because large areas are invaded by them and the crops are damaged. In this st...
ver más
|
|
|
|
|
|
|
|
|
|
|
Kimihiro Sakagami, Midori Kusaka, Takeshi Okuzono and Shinsuke Nakanishi
In this study, we discuss the effect of the manufacturing accuracy of a microperforated panel (MPP) produced by 3D printers on acoustic properties through measured and calculated results as a pilot study. The manufacturing costs of MPPs have long been on...
ver más
|
|
|
|
|
|