Experimental Investigation of the Effect of Radial Gap and Impeller Blade Exit on Flow-Induced Vibration at the Blade-Passing Frequency in a Centrifugal Pump

<table class="table-group" width="800px"><tr class="fig-image" id="a"><td><img alt="704845.fig.007a" src="https://static.hindawi.com/articles/ijrm/volume-2009/704845/figures/704845.fig.007a.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(a) </b>Pressure fluctuations (peak-to-peak)</td></tr></table></td></tr><tr class="fig-image" id="b"><td><img alt="704845.fig.007b" src="https://static.hindawi.com/articles/ijrm/volume-2009/704845/figures/704845.fig.007b.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(b) </b>FFT magnitudes at 1st BPF</td></tr></table></td></tr></table>

<table>Effect of flow rate and measuring location on pressure fluctuations: impeller-I.</table>

International Journal of Rotating Machinery

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Figure 7

Figure 7: Experimental Investigation of the Effect of Radial Gap and Impeller Blade Exit on Flow-Induced Vibration at the Blade-Passing Frequency in a Centrifugal Pump 

Figure 7 | Experimental Investigation of the Effect of Radial Gap and Impeller Blade Exit on Flow-Induced Vibration at the Blade-Passing Frequency in a Centrifugal Pump 