Research Article
Genetic Algorithm Optimization of the Volute Shape of a Centrifugal Compressor
Table 2
Cell count for the grid dependency study and average nondimensional wall distance
for the near-wall cells.
| Mesh region | Cell count × | | Coarse | Normal | Fine | Very fine |
| Inlet | 0.49 | 0.72 | 0.96 | 1.50 | 24 | Impeller | 1.00 | 1.50 | 2.00 | 3.00 | 16 | Volute | 0.52 | 0.76 | 0.99 | 1.48 | 24 |
| | 2.01 | 2.98 | 3.95 | 5.98 | |
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