The effect of removing one stage on the performance curve of multi-stage centrifugal pumps
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There is a clear change in head; the wave height also decreases significantly. So, is there an impact on shaft power, and how will the effective power change?
Head, flow rate, and shaft power all change accordingly； However, removing one stage from a multi-stage centrifugal pump causes significant disruption to the rotor’s dynamic balance; if the impellers are removed symmetrically, the impact on dynamic balance is minimal.
Could you explain how it changes? It would be best to show it using a performance curve graph