A piping circuit with a pump is shown in Figure 6.26. The pump characteristic used in the circuit is given as \(h_{f D}=0.4 Q-A\) where, \(A\) is a constant equal to the shut-off head of the pump and \(Q\) is the flow rate. Calculate the value of constant A using the following data:

Figure 6.26

Transcribed Image Text:

Q3 Q4 Q Q2 0.963 0.792 0.208 25 26 27 1.828 0.172 0.0208 1.828 Lin Qout,1 Qout,2 3.0 1.0 2.0 K K3 K4 K5 K6 K7 K8 K 1.148 8.269 50.36 67.146 4.134 12.403 8.269 1.148 Note: All the flow rates (Q) are in m/s.