Open Access
Table 1
Fan design parameters (according to [12]).
| Fan diameter | 495 mm |
| Hub diameter | 248 mm |
| Tip clearance | 2.5 mm |
| Blades | 9 |
| Volumetric flow | 1.4 m3/s |
| Total-to-static pressure difference | 150 Pa |
| Rotational speed | 1486 1/min |
| Circumferential velocity hub | 19.4 m/s |
| Circumferential velocity tip | 38.9 m/s |
| Chord length hub | 103 mm |
| chord length tip | 58 mm |
| Reynolds number hub | 1.25 × 105 |
| Reynolds number tip | 1.50 × 105 |
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