The influence of closed pore ratio on sound absorption of plant-based polyurethane foam using control unit model
Yabing Cheng, Zehui Xu, Shuming Chen, Yangjie Ji, Dan Zhang, Jie Liang
Topics & Concepts
PolyurethaneTortuosityMaterials scienceNoise reduction coefficientSoundproofingAbsorption (acoustics)Composite materialAirflowPorosityMechanical engineeringEngineeringAcoustic Wave Phenomena ResearchNoise Effects and ManagementWind and Air Flow Studies