Description: highest head of a pump, if this does not apply to the zero head; Name: peak height
Description: Highest total head developed by a pump when this does not occur at a zero rate of flow; Name: Head at peak point
Description: determined 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