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  3. 2. a centrifugal pump running at 750 rpm with a 1-

2. A centrifugal pump running at 750 rpm with a 1-m-diameter impeller generates the following pressure rise...

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Mechanical Engineering

2. A centrifugal pump running at 750 rpm with a 1-m-diameterimpeller generates

the following pressure rise and flow rate data while pumpingwater at room temperature:

?(dot)[m^3/s]= [0, 0.0278, 0.0417, 0.0556, 0.0694, 0.0833,0.0903, 0.0972]

?P [kPa]= [361, 349, 328, 293, 230, 145, 114, 59]

Estimate the pressure rise and flow rate for impeller speeds of500 and 1000 rpm using the 750 rpm data. Plot pressure rise(y-axis) vs flow rate (x-axis) for all three pump speeds andinclude all data on a single graph.

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