Description: Difference of the total energy head at the outlet side of the pump to the total energy head at the inlet side of the pump; Name: energy circulating lift of the pump
Description: difference between the total head at the outlet side of the pump and the total head at the inlet side of the pump; Name: lift circulating pump
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