A 1m diameter commercial steel pipe that is 2km in length carries water (20°C) from reservoir A to reservoir B. The difference in elevation between the two reservoir surfaces is 150m. Compute the discharge through the pipe. (Solve by hand with Moody Chart; utilize Darcy-Weisbach)

Water resources engineering Please refer to the attached image. The new cat iron pipe carrying a flow of 0.3 ft3/s becomes divided at point B and rejoins at point C. The elevation at the reservior surface is 1300 feet. The elevation at point D is 560 feet. The pipe diameters and lengths are listed below. What is the pressure at point D? Neglect minor losses. Use the Darcy-Weisbach approach and assume fully turbulent flow. Verify this assumption for one of the pipes. If the assumption is not perfect, iteration is not necessary, just verify and comment. Pipe designation  Length (ft) Dia (in) 1 800 6 2 200 8 3 300 4 3 1200 12

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Spring Obs. well Determine: M Recharge area B₂. K₂ Water enters the system in the recharge area and exits as a spring. 1. The piezometric head in the well located at the sketch (express the head in terms of the other variables indicated on) 2. Specify the conditions for the well to become a flowing (artesian) well (water flows from the well without pumping).

Problem 5 Consider a three-reservoir problem with the following characteristics. L₁ = 95 m L₂ = 125 m L3 = 180 m Z₁ = 25 m Z₂ = 115 m z3 = 85 m (a) All three pipes are constructed of 28 cm, unfinished concrete (e = 1 mm). If water at 20 ºC flows through the pipes, compute the steady flow rate in each pipe (magnitude and direction). (b) Reduce the diameter of all the pipe to 15 cm, unfinished concrete (€ = 1 mm) and show that the flow rates distribute in nearly the same manner but are about 5.2 times lower. Explain why.

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The three reservoirs, A, B and C are connected by pipelines A, B and C respectively which meets at the junction X. The elevation of reservoir A is equal to 300 m while that of B is 285 m. The discharge flowing out of reservoir A is 1.4 cu.m/sec. (Pipes, Diameter, Length, Friction factor "f")A, 800 mm, 1500 m, 0.0157B, 600 mm, 450 m, 0.0162C, 450 mm, 1200 m, 0.0177 (a) Compute the rate of flow in reservoir B in cu.m/sec.  (b) Compute the rate of flow in reservoir C in cu.m/sec.  (c) Compute the elevation of Reservoir C in meters.

4. Two reservoir A and B, feed a third reservoir C as shown in figure. Assuming constant water level in the figure and making use of the data given in the table below. Compute the discharge in each pipe. Use conventional solution. EL 205 m EL 130 m 2 EL 192 m Q₁ = 0.3963 m³/s, Q₂ = 0.4550 m³/s, Q3 = 0.8513 m³/s Pipe 1 2 3 n 0.011 0.014 0.017 Diameter Length (mm) in (m) 400 500 800 1800 2000 4000

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