Research Article
Optimal Design of a Centrifugal Compressor Impeller Using Evolutionary Algorithms
Table 3
Upper and lower bounds of the design variables.
| Design variables | Minimum | Initial | Maximum |
| 1, Ps3 [] | 0.733 | 0.733 | 0.808 | 2, Ps4 [] | 0.224 | 0.399 | 0.494 | 3, Ph3 [] | 0.275 | 0.400 | 0.525 | 4, Ph4 [] | 0.504 | 0.629 | 0.679 | 5, Pt3 [angle] | −40.0 | −30.022 | −5.0 | 6, Pt5 [angle] | 15.0 | 46.949 | 70.0 | 7, Pb3 [angle] | −50.0 | −39.754 | −28.0 | 8, Pb6 [angle] | −50.0 | 80.409 | 90.0 |
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