Sound absorption characteristics of loose bituminous coal porous media with different metamorphic degrees
Shuaijing Ren, Teng Ma, Yanni Zhang, Jun Deng, Yang Xiao, Xiaowei Zhai, Yutao Zhang, Zeyang Song, Caiping Wang
Topics & Concepts
CoalMaterials scienceBituminous coalAttenuation coefficientAcoustic emissionParticle sizeAbsorption (acoustics)Noise reduction coefficientMineralogyPorosityComposite materialAcousticsSound pressureOpticsChemistryOrganic chemistryPhysicsPhysical chemistryCoal Properties and UtilizationGeophysical Methods and ApplicationsRock Mechanics and Modeling