Sound absorption performance of a micro perforated sandwich panel with honeycomb-hierarchical pore structure core
Chenhao Dong, Zhao Liu, Robert S. Pierce, Xiaoling Liu, Xiaosu Yi, Xiaosu Yi
Topics & Concepts
Materials scienceHoneycomb structureNoise reduction coefficientSandwich panelHoneycombCore (optical fiber)Composite materialAttenuation coefficientAbsorption (acoustics)CarbonizationSandwich-structured compositePorosityOpticsScanning electron microscopePhysicsAcoustic Wave Phenomena ResearchCellular and Composite StructuresWind and Air Flow Studies