REFLECTION AND REFRACTION OF SOUND WAVES AT THE INTERFACE BETWEEN A BUBBLY LIQUID AND A POROUS MEDIUM SATURATED WITH THE BUBBLY LIQUID.

The reflection and transmission of harmonic waves at the interface between a bubbly liquid and a porous medium saturated with this liquid has been studied theoretically. The influence of the parameters of the system on the reflection and transmission coefficients through the interface between two media has been investigated. It has been found that for the interface between a bubbly liquid and a porous medium saturated with the bubbly liquid, there is a range of frequencies in which reflection occurs in the same way as from a free surface and back reflection as from a rigid wall. [ABSTRACT FROM AUTHOR]