Research Article
Low-Cost Rotating Experimentation in Compressor Aerodynamics Using Rapid Prototyping
Table 2
Design parameters of the mixed flow compressor stage.
| Parameter | = 7200 RPM | = 4382 RPM |
| Design corrected mass flow (kg/s) | 0.511 | 0.330 | Design stagnation pressure rise coefficient | 1.801 | 1.39 | Design efficiency | 0.917 | 0.766 | Rotor inlet circum. tip speed (m/s) | 59.9 | 36.4 | Rotor inlet tip radius (mm) | 78.2 | Rotor inlet hub-tip ratio | 0.600 | Rotor outlet tip radius (mm) | 109 | Rotor outlet hub-tip ratio | 0.902 | Stator inlet tip radius (mm) | 123 | Stator inlet hub-tip ratio | 0.886 | Rotor tip clearance/stator hub clearance (mm) | 0.381/0 | Number of blades (rotor/stator) | 11/17 |
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