Open Access
Table 2
Comparisons between the FEM and SP.
| Num. | πdesign | ω (rpm) |
 (kg/s) |
Strength prediction (MPa) | Validation of 3D (MPa) | Error |
|---|---|---|---|---|---|---|
| 1 | 5.2 | 32000 | 6.0 | 346.186 | 345.539 | 0.187% |
| 2 | 5.2 | 28500 | 6.5 | 316.811 | 315.471 | 0.425% |
| 3 | 5.2 | 25000 | 7.0 | 281.518 | 284.435 | 1.025% |
| 4 | 5.2 | 22000 | 7.5 | 250.781 | 244.239 | 2.678% |
| 5 | 4.2 | 28500 | 6.0 | 299.889 | 297.813 | 0.697% |
| 6 | 4.2 | 25000 | 6.5 | 265.506 | 272.541 | 2.581% |
| 7 | 4.2 | 22000 | 7.0 | 239.356 | 239.427 | 0.030% |
| 8 | 4.2 | 20000 | 7.5 | 222.617 | 223.548 | 0.412% |
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