Table 8 Selection of sample points and CFD simulation results.
Number | Blade outlet angle (°) | Impeller inlet diameter (mm) | Blade number | Negative pressure value (Pa) |
|---|---|---|---|---|
1 | 30 | 50 | 16 | 2915.483 |
2 | 70 | 50 | 16 | 2920.728 |
3 | 70 | 70 | 16 | 3652.747 |
4 | 30 | 60 | 28 | 2727.532 |
5 | 50 | 60 | 16 | 3696.276 |
6 | 70 | 60 | 4 | 2929.647 |
7 | 50 | 60 | 16 | 3696.276 |
8 | 50 | 60 | 16 | 3696.276 |
9 | 30 | 70 | 16 | 3542.577 |
10 | 30 | 60 | 4 | 2753.91 |
11 | 50 | 60 | 16 | 3696.276 |
12 | 50 | 70 | 4 | 2762.851 |
13 | 50 | 60 | 16 | 3696.276 |
14 | 50 | 70 | 28 | 3626.978 |
15 | 50 | 50 | 28 | -462.697 |
16 | 50 | 50 | 4 | 2975.21 |
17 | 70 | 60 | 28 | 2947.31 |