Silicone rubber (SR) is a highly adaptable material that is attractive for a variety of
applications, including electronics, construction, and aerospace. In general, adding Cu-Al …

Audiometry is a branch of acoustical measurements that concentrated on testing the devices
related to hearing and used in medical part such as audiometer. It is substantial to calibrate …

Insufficient diffuseness is the major cause of the poor repeatability and reproducibility of
building acoustical measurements in a reverberation chamber. Inaccurate results were …

Polyvinyl alcohol (PVA) is a highly flammable material, and enhancing its flame retardancy
to pass the glow wire test is a great challenge. In this work, the melamine salt of tannic …

The research was aiming to investigate the potency of water hyacinth (WH) biochar as the
most advantageous sound absorber composite when it was blended with polyvinyl alcohol …

In cleaning Industries, Vibro Cleaner has unique impact for removal of contaminations like
rust, dirt, oil etc. from critical objects. This is completely safe for humans and non-hazardous …

The bandgap (BG) of a phononic crystal (PnC) can suppress the propagation of elastic
waves and has great potential in suppressing vibration. In this paper, a new type of multi-BG …

In this study, composite panels made of natural oil palm fibers (OPFs) mixed with latex are
manufactured and tested to evaluate the thermo-acoustic performance as sound insulation …

The acoustic method for the experimental determination of the air permeability for buildings
manages to overcome the disadvantages of other experimental methods or …

RESUMO O trabalho desenvolvido no âmbito da presente dissertação consiste em estudar
qual o número ideal de difusores fixos que será necessário utilizar dentro da câmara …