Influence of the Balance Hole Circumferential Position on the Cavitation Performance of the Semiopen Impeller Centrifugal Pump

Table 4

Axial force size under different schemes.

Scheme	No balance hole	1 (θ = 10°)	2 (θ = 15°)	3 (θ = 30°)	4 (θ = 45°)
Axial force (N)	584.35	297.5	274.159	252.058	238