Research Article
Influence of Weak Compressibility on the Hydrodynamic Performance Evaluation of Pump Turbines in the Pump Mode
Table 2
Node number of different grid schemes.
| Schemes | α = 10 deg | α = 12 deg | α = 14 deg |
| N1 (fine) | 12200607 | 12650696 | 12883899 | N2 (medium) | 5542979 | 5726859 | 5840087 | N3 (coarse) | 2509940 | 2590900 | 2589380 |
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