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Centrifugal pump analysis

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A centrifugal pump is run under test at 1500 rev/min and returns the following performance figures...

The pump is required to transfer water from a lake to a reservoir with a water level...

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First you need to plot H and Power versus Q. I have done so the Excel sheet.
You then calculate the system head by using the formula

For pumping between lakes:

hence
= 60 +0.006*(12+108)*Q2/(3d5) (see excel sheet)
Plot this hsys versus Q.
The ...

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