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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