Research Article
Influence of Surface Roughness on a Highly Loaded Axial Compressor Stage Performance at Low Reynolds Number
Table 3
Roughness magnitudes on the rotor blade surfaces.
| Case number | | (μm) | Rough regime |
| 1 | 0 | 0 | Aerodynamically smooth regime | 2 | 1.0 | 5.6 | 3 | 3.3 | 16.1 |
| 4 | 7.3 | 32.4 | Transitionally rough regime | 5 | 20.8 | 80.6 | 6 | 35.9 | 129.0 | 7 | 46.6 | 161.3 | 8 | 57.7 | 193.5 |
| 9 | 75.1 | 241.9 | Fully rough regime | 10 | 105.6 | 322.6 | 11 | 137.8 | 403.2 | 12 | 171.4 | 483.9 |
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