Refer to Figure 7.16. Assume that the head loss in the pipe is given by h_L = 0.02(L/D)(V ²/2g), where V is the mean velocity in the pipe, D is the pipe diameter, and L is the pipe length. The elevations of the reservoir water surface, the highest point in the pipe, and the pipe outlet are 250 m, 250 m, and 210 m, respectively. The pipe diameter is 30 cm, and the pipe length is 200 m. Determine the water discharge in the pipe, and, assuming that the highest point in the pipe is halfway along the pipe, determine the pressure in the pipe at that point. Assume α = 1.0 at all locations.

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HGL and EGL Positive Negative 7 2g z = 0