Description: Ratio of the volume of solids to the total volume of all components of the medium.; Name: Volume fraction of solid
Description: ratio of the volume of the solids to the total volume of all constituents the fluid; Name: solids volume fraction
Description: through a surface, product of the sound pressure, p, and the component of the particle velocity, un, at a point on the surface in the direction normal to the surface, integrated over that surface; Name: sound power