Effects of volume fraction and diameter of hollow spheres on acoustic properties of Metallic-Hollow-Sphere/Polyurethane (MHSP) acoustic composites
Tianmiao Yu, Fengchun Jiang, Ruipeng Zhang, Mengxin Cao, Ruonan Qin, Chunhuan Guo, Zhenqiang Wang, Yunpeng Chang
Topics & Concepts
Materials scienceVolume fractionComposite materialAcoustic impedanceSPHERESPolyurethaneComposite numberSoundproofingSound energyAbsorption (acoustics)Noise reduction coefficientVolume (thermodynamics)Mass fractionPorosityAcousticsSound (geography)Ultrasonic sensorQuantum mechanicsAstronomyPhysicsAcoustic Wave Phenomena ResearchWind and Air Flow StudiesNoise Effects and Management