Description: Ratio of the conveying power to the power absorbed by the drive; Name: Overall efficiency (of the pump unit)
Description: proportion of the driver power input, pmot, delivered as pump power output, pu; Name: overall efficiency
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