The 32-in pump in Fig. 11.7a is used at 1170 r/min in a system whose head curve is Hs
Chapter 11, Problem p11.74(choose chapter or problem)
The 32-in pump in Fig. 11.7a is used at 1170 r/min in a system whose head curve is Hs (ft) 5 100 1 1.5Q2 , with Q in thousands of gallons of water per minute. Find the discharge and brake horsepower required for (a) one pump, (b) two pumps in parallel, and (c) two pumps in series. Which confi guration is best?
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