Fault Prediction of Centrifugal Pump Based on Improved KNN

Table 5

Design parameters of centrifugal pump for test.

Parameter	Unit	Value
Impeller inlet diameter		74
Impeller outlet diameter		174
Blade outlet width		12
Number of blades		6
Rated flow		50
Rated head		34
Rated speed		2980
Rated power		72.8
Specific speed		89.51