Description: difference between installation outlet and inlet head; Name: installationtotalhead
Description: Determined difference between the total head at the oulet side of the installation and the total head at the inlet side of the installation; Name: Installation total head
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