Determining The Physical Parameters Of Rigid Porous Materials Using Ultrasonic Reflected Waves
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M. Sadouki is a research scientist at the Université de Sherbrooke, Department of Civil Engineering.

                       

Determining The Physical Parameters Of Rigid Porous Materials Using Ultrasonic Reflected Waves

A porous material is a medium containing pores filled with a fluid (liquid or gas). The skeletal part is usually solid. Many natural and made mediums such as rocks, soils, bones, plastic foams, fibrous materials, cement, and ceramics can be considered as porous materials. Among these materials, such as plastic foams and fibrous, are frequently used in the automotive and aeronautic industries and in the buildings trade to reduce noise and vibration pollution. Therefore, good acoustic performance is a desirable...

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