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.005a" src="https://static.hindawi.com/articles/ijrm/volume-2009/704845/figures/704845.fig.005a.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(a) </b>Extension of volute   splitters to get smaller gaps</td></tr></table></td></tr><tr class="fig-image" id="b"><td><img alt="704845.fig.005b" src="https://static.hindawi.com/articles/ijrm/volume-2009/704845/figures/704845.fig.005b.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(b) </b>Cutting back volute splitters to get larger gaps</td></tr></table></td></tr></table>

<table>Schematic for gap modifications.</table>

International Journal of Rotating Machinery

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Figure 5

Figure 5: 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 5 | 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 