Research Article
Improvement of the Efficiency of the Axial-Flow Pump at Part Loads due to Installing Outlet Guide Vanes Mechanism
Table 2
Adjustable angles of outlet guide vane and performance of pumping system.
|
Flow rate coefficient
|
Head coefficient
| OGV | Setting angles θ/(°) | Torque (N·m) | Efficiency/(%) | Suitable angle β/(°) | Fixed angle β/(°) |
| 0.521 | 0.541 | 59.64 | 64.8 | −5.16 | 77.825 | 83.55 | 0.552 | 0.458 | 63.31 | 64.8 | 1.49 | 72.081 | 80.79 | 0.664 | 0.171 | 68.53 | 64.8 | 3.73 | 40.360 | 60.96 |
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