Aprils supervisor asks her to find a replacement pump that will increase the flow rate

Chapter 14, Problem 14-46

(choose chapter or problem)

Aprils supervisor asks her to find a replacement pump that will increase the flow rate through the piping system of Prob. 1443 by a factor of 2 or greater. April looks through some online brochures, and finds a pump with the performance data shown in Table P1446. All dimensions and parameters remain the same as in Prob. 1443only the pump is changed. (a) Perform a leastsquares curve fit (regression analysis) of Havailable versus V . 2 , and calculate the best-fit values of coefficients H0 and a that translate the tabulated data of Table P1446 into the parabolic expression Havailable 5 H0 2 aV . 2 . Plot the data points as symbols and the curve fit as a line for comparison. (b) Use the expression obtained in part (a) to estimate the operating volume flow rate of the new pump if it were to replace the existing pump, all else being equal. Compare to the result of Prob. 1443 and discuss. Has April achieved her goal? (c) Generate a plot of required net head and available net head as functions of volume flow rate, and indicate the operating point on the plot.