(a) 20 m? (b) 60 m? (c) 100 m?
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- hardy cross method please For the piping system shown below, determine the flow distribution and the piezometric heads at the junction (j) using the Hardy-Cross Method of solution. Power 20 Kw D= 0.2 m, D=0.15 m, D= 0.15 m f- 0.021, f,=0.018, f,=0.023 30 m 2 15 m 10 m A 3. Pump 1 L1=185m L2=230m L3=435mWhat is the required pump power (Pa) for the system below? The source reservoir is on the right side of the figure The outflow is released as a water jet to the atmosphere (on the left) Discharge rate is 0.11 m3/s Pipe total length is 180 m Pipe diameter is 0.2 m Friction factor (f) is 0.01 Minor losses are negligibleCHOOSE ONE: 25 KiloWatt 169 KiloWatt 269 KiloWatt 112 KiloWattFor the piping system shown below, determine the flow distribution and the piezometric heads at the junction (j) using the Newton-Raphson Method of solution, power 20 Kw D = 0.2 m, D,= 0.15 m, D,= 0.15 m f= 0.021, f,= 0.018, f, = 0.023 L1=100 L2=145 L3=350 30 m В 2 15 m 10 m A Pump 1 j
- El. 200 m A Res. H-W L Pipe B pipec →Negleet minor losses → Pipes B, C, and E are all have: Pipe E = 600 m long d = 500 mm f = 0.03 → When the Pump develops 15m of head, the Velocity in pipe C is 5 m/s. Find : a) the flowrate in all pipes. b) the elevation of the discharg end of Pipe E.A 90% efficient pump lifts water from a lower reservoir a shown in the figure. The head loss in the 150mm pipe is 3 times the velocity head in that pipe and the head loss in the 100mm pipe is 20 timew the velocity head in that pipe. A.If the desired flow rate is 20L/s ehat shoukd be the powet input of the pump in Kw? Choices: 42.9,28.8,32.0,38.6 B.Compute the pressure head, in m of water, at the suction line before the pump Choices: 12.39,10.29,9.74,7.56 C.Compute the pressure head,in m of water, at the discharge line right after the pump. Choices: 156.26,136.80,139.53,145.20. All the pipes have a diameter of Zz=115m 0.28 m in the pipe-reservoir system shown in the Figure. The roughness height of each pipe is k-1 mm. Calculate the flow rate of the pipes. Draw the energy grade line (EGL) on the Figure. Minor loses can be ignored in the calculations. (v-1.01x10 m/s). Z3=85m Zz=25m (2) (3) (1) 125m 95 160m
- For the piping system shown below, determine the flow distribution and the piezometric = 20 Kw heads at the junction (j) using the Newton-Raphson Method of solution, power = 0.15 m D,= 0.2 m, D,= 0.15 m, %3D 2. f=0.021, f= 0.018, f,= 0.023 L2=140 30 m B L3=345 L1=95 2 15 m |10 m A Pump 1A Kaplan turbine delivering 40 MW works under a head of 35 m and runs at 167 rpm.The hub diameter is 2.5 m and runner tip diameter is 5 m. The overall efficiency is 87%.Determine the blade angles at the hub and tip and also at a diameter of 3.75 m. Also find the speed ratio and flow ratio based on tip velocity. Assume nH = 90%. Outlet blade angle at the hub * 22.6 O 42.3 13.7 12.5An 8 hp pump is installed near the reservoir container of oil having a s.g. Of 0.82. The rate of flow of the pipe is 0.014 ?3/s. The pressure at 1 and 2 are -28 kPa and 290 kPa respectively. a. Compute the head added by the pump in meters.b. Compute the output hp of the pump.c. Compute the efficiency of the pump
- Situation 1 The 60 cm pipe conducts water from reservoir A to a pressure turbine which discharges through another 60 cm pipe into tailrace B. -CL 70 m The head losses are: From A-1 : From 2-B : 0.2 Heo cm g If the discharge is 0.70 m3 /sec: HEL Dn 1. Determine the head extracted by the turbine (HE) in meters. DATUM E 2. Solve for the input power of the turbine (Pinput or Pturbine) in kW. TURBINE 3. At 90% efficiency, compute for the output power (Poutput) for electricity in kW. Situation 2 Pipelines 1,2, and 3 are connected parallel to each other. The three pipes carry a combined discharge of 0.86 m/s. 1 Pipe Length Diameter Friction Factor 1,800 mm 1,500 mm 2,000 mm 0.020 0.018 0.022 400 mm A 2 в у 350 mm 3 300 mm 3 4. Determine the flow rate through pipeline 1 (Q1) in m3/s. 5. Determine the flow rate through pipeline 2 (Q2) in m3/s 6. Determine the flow rate through pipeline 3 (Q3) in m3/sBenzene at 37.8 °C is pumped through the system of Figure at the rate of 0.1515 m3/min. The reservoir is at atmospheric pressure. The gauge pressure at the end of the discharge line is 345 kN/m². The discharge line is 1.828 m above the pump, while the pump suction is 0.821 m below the level in the reservoir. The discharge line is 1.5-in. Schedule 40 steel pipe. The head friction in the suction line is 0.4066 m and in the discharge line is 4.4664 m. The mechanical efficiency of the pump is 60%. The density of benzene is 865 kg/m³ and its vapor pressure at 37.8 °C is 26.2 kN/m². a) Calculate the total power input. b) Evaluate whether the pump is suitable for this system when the pump manufacturer specifies a Net Positive Suction Head Required (NPSHR) of 3.05 m.In the following system, the flow rate of Q = 400 lt / s is transmitted from the A chamber to the B chamber. There is a valve in the pipe where the diameter is large and there is a local loss due to the valve. Using the valve formula (K) as 10 (see formulas), calculate the distance H between the water face elevations of the two chambers. Draw the relative energy and piezometer lines AH A Vana L=20m B D=0.2m f=0.02 L=30m D=0.4m f=0.03