Find the discharge in each pipe of the pipe network shown in Figure 4.21 . The head loss in each pipe is calculated by using hf = KQ1.852, where the values of K for each pipe are given in Figure 4.21 . The pressure head at point 1 is 100 m. Determine the pressure at different nodes.

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3 m/s K-5 0.8 m/s 0 I 8 8 1.8 m/s 1.67 m/s 1.33 m/s 0.9 m/s 0.8 m/s 8/10 0.9 m/s 0.8 m/s 0.22 m/s of B 6 = 1.1 m/s 0.2 m/s 0.65 m/s 0.64 mis 13 m/s 1.3 m/s 1.3 m/s 0.9 m/s FIGURE 4.21 (a) Pipe network of Example 4.18; (b) assumed discharges; (c) discharge after the final iteration.