Thermosetting Coupling Analysis and Parameter Optimization of the Plastic Lining Pump Structure

Table 3

Orthogonal experimental results of impeller structure.

Experiment number	Import diameter D1 (mm)	Exit diameter D2 (mm)	Import angle βb1 (°)	Exit angle βb2 (°)	Wrap angle φ (°)	Efficiency η (%)	Gas volume fraction
1	72	252	18	20	100	57.13	0.848360
2	72	254	22	24	105	52.53	0.874810
3	72	256	26	28	110	53.45	0.867331
4	72	258	30	32	115	57.45	0.874301
5	74	252	22	28	115	57.80	0.880091
6	74	254	18	32	110	53.86	0.823669
7	74	256	30	20	105	57.99	0.819132
8	74	258	26	24	100	57.76	0.873608
9	76	252	26	32	105	59.39	0.828129
10	76	254	18	28	100	54.47	0.867710
11	76	256	30	24	115	55.46	0.871944
12	76	258	22	20	110	57.29	0.944049
13	78	252	30	24	110	56.88	0.882889
14	78	254	26	20	115	55.26	0.906458
15	78	256	22	32	100	53.60	0.838161
16	78	258	18	28	105	59.01	0.845031