Research Article
The Effects of Inlet Box Aerodynamics on the Mechanical Performance of a Variable Pitch in Motion Fan
Table 1
In-service duty point and specification of the PFS fan studied in the reported research.
| | Fan in-service duty point | | | | Pressure (Pa) | | 2245 | | Flow (m3/s) | | 54.3 | | Blade angle (degrees) | | 56.0 |
| | Fan rotor data | | | | Blade number | | 18 | | Hub-to-casing diameter ratio | | 0.7 | | Tip diameter (mm) | | 1767 | | Rotor tip clearance (% span) | | 6 | | Rated rotational frequency (rpm) | | 890 |
| | Fan blade geometry | Hub | Tip |
| | Chord (mm) | 487 | 446 | | Solidity | 1.48 | 0.96 | | Stagger angle (degrees) | 38 | 60 | | Camber angle (degrees) | 45 | 36 |
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