Description: 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: energy level of sound
Description: 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
Description: Difference between the total head at the outlet side of the pump and the total head at the inlet side of the pump ; Name: Pump total head