Research Article
Comparison of Periodic Flow Fields in a Radial Pump among CFD, PIV, and LDV Results
Table 1
Specifications of the pump stage.
| | Impeller | Return channel |
| | Number of blades | | 6 | number of vanes | | 9 | | Inlet radius | | 40 mm | inlet radius | | 95 mm | | Outlet radius | | 75.25 mm | outlet radius | | 50 mm | | Blade height | | 12.7 mm | vane height | | 14 mm | | Front side chamber height | | 1.85 mm | — | — | — | | Back side chamber height | | 2 mm | — | — | — |
| | Diffuser | Design operating point |
| | Number of vanes | | 9 | flow rate | | 0.0045 m3/s | | Inlet radius | | 77.5 mm | rotating speed | | 1450 rpm | | Outlet radius | | 95 mm | delivery head | | 7 m | | Vane height | | 14 mm | specific speed | | 22.6 |
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