Research Article
Numerical Study on Pressure Fluctuations Reduction in Centrifugal Pumps: Influence of Radial Gap and Splitter Blades
Table 3
Numerical values of pressure fluctuations amplitudes in dB for the investigated configurations ().
| Configuration | | (dB) | Outlet duct (dB) |
| R1A+V1 | 0.2 | 47.72 | 47.07 | 1 | 77.58 | 70.71 | 2 | 55.75 | 45.60 | 3 | 48.32 | 24.75 |
| R1A+V2 | 0.2 | 50.97 | 49.23 | 1 | 80.35 | 69.72 | 2 | 57.07 | 29.58 | 3 | 57.26 | 20.60 |
| R1AS+V1 | 0.1 | 35.11 | 34.99 | 0.5 | 68.58 | 62.47 | 1 | 63.33 | 53.71 | 1.5 | 37.60 | 28.82 |
| R1AS+V2 | 0.1 | 37.28 | 36.16 | 0.5 | 68.79 | 61.96 | 1 | 61.89 | 42.40 | 1.5 | 25.32 | 14.25 |
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