[BOOK][B] Acoustic absorbers and diffusers: theory, design and application
T Cox, P d'Antonio - 2016 - taylorfrancis.com
This definitive guide covers the design and application of absorbers and diffusers in
acoustics. Surface diffusion is a relatively young subject area, and diffuser design …
acoustics. Surface diffusion is a relatively young subject area, and diffuser design …
[PDF][PDF] Recent trends in porous sound-absorbing materials
Roughness www. SandV. com MATERIALS REFERENCE ISSUE 13 sound waves to enter
the materials through a multitude of small holes or openings. Materials made from open …
the materials through a multitude of small holes or openings. Materials made from open …
On the acoustic properties of parallel arrangement of multiple micro-perforated panel absorbers with different cavity depths
The acoustic properties of a compound micro-perforated panel (MPP) absorber array are
investigated. The absorber array consists of three parallel-arranged MPP absorbers with …
investigated. The absorber array consists of three parallel-arranged MPP absorbers with …
[PDF][PDF] Multiple-leaf sound absorbers with microperforated panels: an overview
K Sakagami, M Yairi, M Morimoto - Acoustics Australia, 2010 - acoustics.asn.au
Since the pioneering work by Maa, multiple-leaf microperforated panel (MPP) sound
absorbers of various configurations with different materials have been studied. Multiple-leaf …
absorbers of various configurations with different materials have been studied. Multiple-leaf …
Theoretical model of absorption coefficient of an inhomogeneous MPP absorber with multi-cavity depths
Micro-perforated panel (MPP) absorber has been known as an alternative absorber to
classical porous material given its facile installation, long durability, environmental …
classical porous material given its facile installation, long durability, environmental …
Sound absorption of a micro-perforated panel backed by an irregular-shaped cavity
In the pursuit of more effective noise control devices, the cavity backed micro-perforated
panel absorber (CBMPPA) is developed in this study. A CBMPPA differs from the …
panel absorber (CBMPPA) is developed in this study. A CBMPPA differs from the …
Sound absorption of microperforated panel mounted with helmholtz resonators
XL Gai, T **ng, XH Li, B Zhang, WJ Wang - Applied Acoustics, 2016 - Elsevier
Microperforated panel (MPP) absorbers have been widely used in noise reduction and are
regarded as a promising alternative to the traditional porous materials. However, the …
regarded as a promising alternative to the traditional porous materials. However, the …
Acoustical performance of a wavy micro-perforated panel absorber
In this study, the sound absorption performance of a wavy micro-perforated panel absorber
(WMPPA) is investigated. First, a numerical model is established to calculate the sound …
(WMPPA) is investigated. First, a numerical model is established to calculate the sound …
Broadband low-frequency sound absorption by coiled-up space embedded in a porous layer
Y Wang, Y Wang, J Xu, H Yu, C Zhang, L Ren - Applied Acoustics, 2021 - Elsevier
Low frequency noise has strong penetration power and is difficult to be attenuated. In order
to solve the problem of low-frequency noise absorption in traditional sound absorbing …
to solve the problem of low-frequency noise absorption in traditional sound absorbing …
Investigation on micro-perforated panel absorber with ultra-micro perforations
YJ Qian, DY Kong, SM Liu, SM Sun, Z Zhao - Applied Acoustics, 2013 - Elsevier
Micro-perforated panel (MPP) absorber has been widely used in noise reduction and is
regarded as a promising alternative to the traditional porous materials. However, the …
regarded as a promising alternative to the traditional porous materials. However, the …