Description: Power consumption due to friction in bearings and shaft seals at certain working conditions of the pump; Name: mech power losses of pump
Description: power absorbed by friction in bearings and shaft seal at given operating conditions of the pump; Name: pump mechanical power losses
Description: Ten times the logarithm to the base 10 of the ratio of the square of the sound pressure, p, to the square of a reference value, p0, expressed in decibels; Name: Sound pressure level