Description: NPSH available as determined by the conditions of the installation for a specified rate of flow; Name: npsha
Description: Minimum NPSH available at the inlet area of the pump as determined by the conditions of the installation for a specified rate of flow ; Name: Net positive suction head available
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