An acoustic impedance structure consisting of perforated panel resonator and porous material for low-to-mid frequency sound absorption
Xin Li, Bilong Liu, Daoqing Chang
Topics & Concepts
AcousticsHelmholtz resonatorAbsorption (acoustics)Materials scienceResonatorElectrical impedanceAcoustic impedanceNoise reduction coefficientPorosityPhysicsEngineeringComposite materialElectrical engineeringUltrasonic sensorOptoelectronicsAcoustic Wave Phenomena ResearchNoise Effects and ManagementVehicle Noise and Vibration Control