All issues Volume 74 (2019) Oil Gas Sci. Technol. – Rev. IFP Energies nouvelles, 74 (2019) 18 Full HTMLPressure fluctuation coefficients of points at different IGVFs (%, Q = Qd).
| IGVF | Point |
|||||||
|---|---|---|---|---|---|---|---|---|
| Impeller |
Guide vane |
|||||||
| R1C | R2C | R3C | R4C | S1C | S2C | S3C | S4C | |
| 3% | 0.31 | 0.50 | 0.39 | 0.41 | 2.99 | 2.02 | 1.06 | 0.57 |
| 9% | 0.32 | 0.64 | 0.59 | 0.34 | 4.46 | 2.71 | 1.36 | 0.82 |
| 15% | 0.35 | 0.61 | 0.50 | 0.19 | 5.17 | 2.84 | 1.50 | 0.95 |
| 21% | 0.25 | 0.45 | 0.40 | 0.18 | 5.18 | 2.70 | 1.45 | 0.87 |
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