Improving the sound absorption behaviour of porous concrete using embedded resonant structures
M. Pereira, J. Carbajo, L. Godinho, J. Ramis, P. Amado-Mendes
Topics & Concepts
Acoustic impedanceAcousticsHelmholtz resonatorNoise reduction coefficientHelmholtz free energyResonatorAbsorption (acoustics)Materials sciencePorous mediumParametric statisticsPorosityFinite element methodElectrical impedanceStructural engineeringComposite materialEngineeringPhysicsUltrasonic sensorMathematicsOptoelectronicsThermodynamicsElectrical engineeringStatisticsAcoustic Wave Phenomena ResearchHygrothermal properties of building materialsWind and Air Flow Studies