Research Article
Influence of Surface Roughness on a Highly Loaded Axial Compressor Stage Performance at Low Reynolds Number
Table 1
Parameters of the 1.5-stage compressor.
| Parameter | Design value |
| Design rotating speed (r/min) | 25000 | Total pressure ratio | 1.72 | Number of blades | 31/36/59 | Tip clearance (mm) | 0.2 | Hub clearance (mm) | 0.15 | Inlet chord length (mm) | 23 | Design tip speed (m/s) | 361 | Work coefficient | 0.46 | Inlet hub/tip radius ratio | 0.72 |
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