Root Cause Analysis on a Multistage Centrifugal Pump ... - TurboLab
Root Cause Analysis on a Multistage Centrifugal Pump ... - TurboLab
Root Cause Analysis on a Multistage Centrifugal Pump ... - TurboLab
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253<br />
Frequency (Hz)<br />
5000<br />
4000<br />
3000<br />
2000<br />
1000<br />
Vibrati<strong>on</strong> EMA Test<br />
11 th Stage Impeller Modal Impact Test (Wet)<br />
Interference Diagram<br />
11th Stage of 2 1/2 RLIJ Pacific <strong>Pump</strong> (Wet Impeller)<br />
6 Rotating Vanes and 8 Diffuser Vanes<br />
0<br />
0 1 2 3 4 5 6<br />
Nodal Diameter<br />
Interference Diagram<br />
1x VPF<br />
1x Diff VPF<br />
2x Diff VPF<br />
1x V_Dir_Exc<br />
1x V_Dif_Exc<br />
2x V_Dir_Exc<br />
0NC
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