Fibrous materials have been widely used in noise reduction due to the porous structures. In
this review, available studies regarding the prediction methods of acoustic absorption …

Concrete is the most common building material; therefore, when designing structures, it is
obligatory to consider all structural parameters and design characteristics such as acoustic …

Owing to their lightweight design, high energy absorption capacity, and excellent thermal
and sound insulation properties, lattice structures have many potential applications in the …

Electromagnetic radiation and noise pollution are two of the four major environmental
pollution sources. Although various materials with excellent microwave absorption …

This paper presents an acoustic metamaterial, coiled-up structure with porous lining (CSPL),
which is constructed by adding porous material lining to a coiled-up air channel for the …

Noise is an environmental pollutant with recognized impacts on the psychological and
physiological health of humans. Many porous materials are often limited by low sound …

The sound is the pressure disturbance created over air particles above and below
atmospheric pressure. It is a mechanical wave which requires a medium to propagate. The …

Sound absorption mechanism, material modification and structural design of various
synthetic fiber materials for industrial noise reduction are reviewed in this paper for the …

The lattice structures obtained by combining repetitive light cellular forms provide superior
high strength to weight capabilities compared to monolithic solid bodies. These properties of …

A composite acoustic metastructure consisting of double porous materials and resonators
with extended tubes is proposed to seek low-frequency broadband sound absorption …