Description: Minimum permissible head at which the pump can be operated without suffering damage; Name: Minimum allowable head of the pump
Description: Minimum permissible head at which the pump can be operated without suffering damage; Name: Minimum allowable head
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