Research Article

Calculation Formula Optimization and Effect of Ring Clearance on Axial Force of Multistage Pump

Table 4

Calculated value of each component of axial force on the impellers with three ring clearances.

Clearance (N) (N) (N) (N) (N) (N) (N)

0.0 mmFirst stage798.075−974.2899−0.457124.2695−0.2887185.95673.0531
Second stage1832.09−2017.003−57.21748.0199−20.43237.21570.8216

0.25 mmFirst stage790.095−842.824−1.052323.8369−0.3041182.096151.847
Second stage1807.82−1869.446−50.25347.1561−19.965232.105147.418

0.5 mmFirst stage782.72−770.935−0.244123.3823−0.0271180.348215.245
Second stage1791.75−1791.943−47.19546.4717−19.759230.165209.487