Affinity Laws for Pumping Systems

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Step 1: Affinity Laws for Pumping Systems
1.1 Vertical axis intersection of pump curve tangent line at point Q1,H1 (ft)
1.2 System static head (ft)
1.3 Original head (ft)
1.4 Original flow (gpm)
1.5 Starting speed (rpm)
1.6 Ending speed (rpm)
1.7 Starting impeller diameter (inches)
1.8 Ending impeller diameter (inches)
1.9 System curve exponent (H=Hs+KQn)
1.10 Pump efficiency (as a decimal)
1.11 Specific gravity
Step 2: Solve
2.1 Proof steps
2.2 Solve for Affinity Laws for Pumping Systems
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