Efficiency-House Optimization to Widen the Operation Range of the Double-Suction Centrifugal Pump

Table 10

Efficiency-house of design.

Level	S
1	9.1254
2	9.1436
3	9.1257
4	9.0765
5	9.0675
6	9.1459
7	9.1593
8	9.2032
9	9.1163
10	9.1646
11	9.0951
12	9.0851
13	9.1125
14	8.9159
15	9.1201
16	8.9991
17	9.1699
18	9.0651
19	9.1509
20	9.1779
21	9.1895
22	9.0421
23	9.1377
24	9.0044
25	9.0837
26	9.1818
27	9.0551
28	9.1167
29	9.0867
30	9.1925
31	9.147
32	9.0587
33	9.0867
34	8.962
35	9.114
36	9.0004
37	9.2256
38	9.0585
39	8.9602
40	9.1713