Design guide of single layer micro perforated panel absorber with uniform air gap
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DOI: 10.1016/j.apacoust.2017.04.020
Abstract: Abstract Micro perforated panel (MPP) sound absorber with single uniform air gap is an applicable absorbing material that can provide full absorption at a specific frequency, but practical usages of them are limited and design… read more here.
Keywords: uniform air; micro perforated; air gap; perforated panel ... See more keywords
A strategy for extending the effective application of micro-perforated panel absorbers to high sound intensity
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DOI: 10.1016/j.apacoust.2017.09.014
Abstract: Abstract Micro-perforated panel (MPP) absorbers are simple to construct, can be used in a variety of applications, show good absorption properties and allow relatively accurate prediction and design under linear conditions. However, when the sound intensity… read more here.
Keywords: sound intensity; micro perforated; perforated panel; absorbers high ... See more keywords
Sound absorbers with a micro-perforated panel backed by an array of parallel-arranged sub-cavities at different depths
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DOI: 10.1016/j.apacoust.2019.01.013
Abstract: Abstract This paper presents a type of wide band micro-perforated panel (MPP) absorber with an array of parallel arranged sub-cavities at different depths based on the quadratic residue sequence (QRS). An analytical prediction model is… read more here.
Keywords: micro perforated; mpp absorber; array parallel; mpp ... See more keywords
Optimisation of Multistep Cavity Configuration to Extend Absorption Bandwidth of Micro Perforated Panel Absorber
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DOI: 10.24425/122366
Abstract: Micro perforated panel (MPP) absorber is a new form of acoustic absorbing material in comparison with porous ones. These absorbers are considered as next generation ones and the best alternative for traditional porous materials like… read more here.
Keywords: absorption; micro perforated; cavity; absorption bandwidth ... See more keywords