Research Article
Optimal Design of a Centrifugal Compressor Impeller Using Evolutionary Algorithms
Table 2
Control points for the blade angle and design variables.
| At the tip | At the hub | Points | | [angle] | Points | | [angle] |
| Pt1 | 0.0 | −61.845 | Pb1 | 0.0 | −36.399 | Pt2 | 0.167 | −59.627 | Pb2 | 0.143 | −27.859 | Pt3 | 0.335 | −30.022 (5) | Pb3 | 0.286 | −39.754 (7) | Pt4 | 0.499 | −84.158 | Pb4 | 0.429 | 36.429 | Pt5 | 0.661 | 46.949 (6) | Pb5 | 0.527 | −82.025 | Pt6 | 0.833 | −41.912 | Pb6 | 0.714 | 80.409 (8) | Pt7 | 1.0 | −30.853 | Pb7 | 0.857 | −26.313 | | — | — | Pb8 | 1.0 | −30.514 |
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