The Influence of Blade Angle on the Performance of Plastic Centrifugal Pump

Table 1

The area of each section of the vortex chamber.

Section	1	2	3	4	5	6	7	8
Wrap angle φ0	45	90	135	180	225	270	315	360
Area Fφ/cm2	0.6	1.2	1.8	2.4	3	3.6	4.2	4.8