A strategy for extending the effective application of micro-perforated panel absorbers to high sound intensity
Sign Up to like & getrecommendations! Published in 2018 at "Applied Acoustics"
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
High sound insulation property of prepared polypropylene/polyolefin elastomer blends by combining pressure-induced-flow processing and supercritical CO2 foaming
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DOI: 10.1016/j.coco.2021.100958
Abstract: Abstract Light weight, high sound insulation property polymers have vast potential application in aviation, auto industry and the military application. Pressure induced flow (PIF) process form multi-layer-oriented structure in polymer matrix, and supercritical CO2 foaming… read more here.
Keywords: insulation property; property; high sound; sound insulation ... See more keywords
Normal incidence sound absorption of parallel absorber at high sound pressure
Sign Up to like & getrecommendations! Published in 2017 at "Journal of the Acoustical Society of America"
DOI: 10.1121/1.4988374
Abstract: A finite element model is developed to simulate the acoustic response of the parallel absorber array at high sound intensity. The device consists of an MPP and a rectangular backing cavity which is divided into… read more here.
Keywords: absorption; pressure; parallel absorber; model ... See more keywords