Description: Measured flow rate passing through the volute outlet divided by the cross-section of the volute outlet.; Name: average velocity in the spiral housing outlet area
Description: measured rate of flow passing through the exit from the volute divided by the throat area; Name: mean velocity at throat
Description: ten times the logarithm to the base 10 of the ratio of the sound power of a source, p, to a reference value, p0, expressed in decibels; Name: sound output level