Description: Electric motor efficiency is the ratio between power output (mechanical) and power input (electrical).; Name: engine efficiency
Description: Determined proportion of the motor power input P_mot delivered as pump power input P_mot,u; Name: Motor 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