Description: smallest total energy head at the outlet side of the pump unit at operation; Name: min feed height
Description: smallest total energy height at the outlet side of the pump aggregate to the total energy height of the admission side of the pump aggregate at operating point; Name: minimum feed height
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