Galvanized iron pipes with a roughness height of 0.40 cm are used to deliver water from reservoir A to reservoir B. There is a controlled outflow, Q, on the pipeline as shown in the figure. Diameters of pipes 1 and 2 are both 0.4 m and the lengths of pipes 1 and 2 are 400 m and 1000 m. respectively. (D-D-0.4 m, L-400 m, L-1000 m)
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- A pipe tapers over 60m from 450mm in diameter to 675mm in diameter. The gauge pressure at the inlet is 75 kN/m2 and the gauge pressure at the outlet is 90 kN/m2. If the centreline of the pipe rises at a gradient of 1 in 80 and the energy loss due to friction is 0.01m per metre length determine the flowrate in the pipeline and the velocity at entry and exit.Write legibly 6. The piping shown in the figure is a parallel-pipe system carrying water at normal temperature. Pressure head at junction X is 76 m, while that at Y is 48 m. If the inflow at junction X is 0.35 cum/s, determine the flow of water at each branch of the loop. Assume C = 120 for all pipes. determine: a. flow in pipe A: ____________m3/s 1b. flow in pipe B: ____________ m3/s c. flow in pipe C: _____________ m3/sA pipe with unequal ends is used to transport a fluid. The pipe diameter at the larger end is 0.81 cm and the other end is 0.28 cm. The larger and smaller ends are located 10 m and 4 m, respectively, from the datum line. If the flow at the 10 m datum line is 1.60 m/s and the pressure is 5244 kN/m2, compute for the pressure, in kPa, at the smaller end. Express your answer in 3 decimal places.
- SAE 30 oil at 20°C flows in the 2.5-cm-diameter pipe as shown in the figure below, which slopes at 37°. For SAE 30 oil, take ρ = 891 kg/m3 and μ = 0.29 kg/m⋅s. Determine the flow rate in m3/h. The flow rate is m3/h.A certain amount of water (H2O) flows permanently into the pipe venturi(image2) in the figure next to it. In the stretch considered between (1) and (2), it is assumed the losses by friction that were despicable and the uniform properties in the sections are assumed. The entrance area is A1 while that of throat is A2 (A1 > A2). A pressure gauge whose manometric fluid is Mercury Hg (YHg> YH2O) is connected between the input sections and the throat. Show, without omitting any calculation steps that the flow rate at the input (1) is given by(image1):A water tank used for fire fighting is shown in the figure. A fire extinguishing installation was installed by the cast iron pipe (roughness value ε=0.005mm) from the steady, incompressible water flow for pipe length Lpipe=126.2 m and pipe diameter D=106.2 mm. The height of the tank from the pipeline is h= 24.62 meters. A gate valve is placed on the end line of the installation. Accept that the local pressure loss equivalent length of the gate valve is given as Le/D=8.62, neglect other local pressure losses in the pipe line installation. In places 1 and 2 shown in the figure, the pressure is atmospheric pressure. i-Accordingly, calculate the speed, volumetric flow rate and mass flow rate of the water when the gate valve is opened in this installation. Repeat the calculation at least three iteration, if necessary, you can do more iteration. (ii) Calculate how much electrical energy can be produced if a hydraulic turbine with a total efficiency of 7a.b% is placed in front of the valve…
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- Water is flowing in the pipe shown in the figure below, with the 7.50-cm diameter at point 1 tapering to 3.40 cm at point 2, located y = 11.5 cm below point 1. The water pressure at point 1 is 3.20 ✕ 104 Pa and decreases by 50% at point 2. Assume steady, ideal flow. What is the speed of the water at the following points? (a) point 1 m/s(b) point 2 m/sFrom a very large tank with an absolute pressure of 3 bar, the water is discharged to the atmosphere by means of 2 smooth pipes of 100 m length, 1 m and 50 m long, connected in series. The height difference between the water level in the tank and the outlet is 50m, and the diameters of the pipes are 50mm and 100mm, respectively. In addition, a 500kPa turbine is placed on the 2nd Pipe. a) Draw the system roughly, show the dimensions on it.b) Calculate the exit velocity of the water from the 2nd pipe, ignoring the local losses.A hydroelectric power generating system is shown in the figure. Water flows from an upper reservoir to a lower one passing through a turbine at the rate of 286 liters per second. The total length of pipe connecting the two reservoirs is 186 m. The pipe diameter is 346 mm and the Hazen-Williams coefficient is 129. The water surface elevations of reservoirs 1 and 2 are 194 m and 69 m, respectively. Determine the power in kW required by the turbine if it is 63% efficient? Neglect minor losses. Round your answer to 3 decimal places.