Description: the total head at the outlet of the installation; Name: installation outlet head
Description: head observed at outlet area of the installation, corresponding to the sum of the height, pressure head and velocity head; Name: total head at outlet area of the installation
Description: Determined ten times the logarithm to the base 10 of the ratio of the sound energy, j, to a reference value, j0, expressed in decibels; Name: Sound energy level