Gradually perforated porous materials backed with Helmholtz resonant cavity for broadband low-frequency sound absorption
Xue‐Wei Liu, Chenlei Yu, Fengxian Xin
Topics & Concepts
AcousticsMaterials scienceHelmholtz free energyAbsorption (acoustics)Helmholtz resonatorAcoustic impedanceSound energyTransfer-matrix method (optics)BroadbandDissipationResonatorOpticsPhysicsUltrasonic sensorSound (geography)OptoelectronicsThermodynamicsQuantum mechanicsAcoustic Wave Phenomena ResearchNoise Effects and ManagementAerodynamics and Acoustics in Jet Flows