For the system shows in the figure below find the required power to pump 100 L/s of liquid (SG = 0.85, kinematic viscosity = 10-5 m²/s). The pump is operating at an efficiency 0.75. Pressure at | point B is 200 kPa. Given data are: Line 1: L = Line 2: L = 10 m, D = 0.20 m, friction factor = 0.05, K₁ = 0.5, Kv=2 500 m, D = 0.25 m, friction factor = 0.05, Ke=0.25, K₂ = 1 el 10 m K₁ P K₁ Line 1 Ke Ke Line 2 el 20 m B K₂

fluid machinery problem

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10.0 m 200 m 2. An old western town has a water tower to deliver water to the residents. Pictured above is the water tower. The water tower is closed but there is a section of air that is atmospheric pressure just above the water. The corsss ectional area at point 2 is 4.75 x 10 m. The cross sectional area fot the water tower is very large. What is the speed of the water coming out of the pipe at point 2? (density of water = kg/m³) 3. On a vacation trip up in Oregon my boys decided to build a 10 kg raft that they made out of driftwood. 1000

Q1. The figure below shows a hot water tank, with a pumping arrangement to continuously circulate water in a loop. Plastic pipes used, with six bends and two gate valves, as shown. Given that the water is flowing at an average velocity of 2.5 m/s, calculate the required power input for the pump. Given: The density and viscosity of water at 60°C are p = 983.3 kg/m', u = 0.467x103 kg/m-s. Plastic pipes are smooth, and thus their roughness is very close to zero, ɛ = 0. The loss coefficient is K1 = 0.9 for a threaded 90° smooth bend and K1 = 0.2 for a fully open gate valve. Assume 70% pump efficiency. 1.2 cm Hot Water tank 40 m

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QUESTION 4 The figure below shows a fluid flow system that is designed to pump water at 20 °C from a lower vented reservoir to an elevated vented tank. Note that the drawing is not to scale as the dimensions of the reservoirs are very large relative to those of the piping system. The suction line entering the pump is specified as 20 m of 3½" schedule 40 commercial steel pipe; the discharge line from the pump is 180 m of 2%" schedule 40 commercial steel pipe. 15 m 3 m 31/2-in Schedule 40 steel pipe Fully open gate valve 21/2-in Schedule 40 steel pipe Flanged regular 90⁰ elbows Pump Flow Swing-type check valve valve Butterfly (K butterfly = 0.8) a. Starting from the Bernoulli equation (in 'head' form) for the situation where the liquid levels in the two reservoirs are reference points 1 and 2, derive the correct equation for pump head Hpump (m) in terms of volumetric flow rate Q (m³/s) and other process variables (e.g. z, f, L, D, K). b. Using Excel (or another suitable program), create…

For Questions 3 to 5, consider the following conditions: a centrifugal pump has diameters d1 = 7 in, d2 = 13 in, blade widths b1 = 4 in, b2 = 3 in, blade angles B1 = 25° and B2 = 40°, and rotates at 1160 r/min. If the fluid is gasoline at 20°C (p = 1.319 slugs/ft^3) and the flow enters the blades radially, estimate the theoretical or "design" quantities.

Hello i have an example with an answer , please show the solution since only the answer was shown in this example. And i need its solution to review properly. Thank you 1.Question : A centrifugal pump has impeller with dimensions r1 = 71 mm, r2 = 154 mm, b1 = 52 mm, b2 = 26 mm, β1 = β2 = 30º. For discharge of 74 L/s and shockless entry to vanes, compute the speed in rpm.Answer : 743.12 rpm

Example 4: If the diameter at section 1 is D₁ = 0.5 m, and at section 2 the diameter D₂ = 0.2 m. All the other conditions are the same as in Exercise #3. What power in kilowatts and in horsepower must be supplied to the flow by the pump? Assume h₁ = 3 m of water and a₁ = α₂ = 1. Water is being pumped through a system. D₁ = 0.5 m Z₁ = 30 m P₁ = 70 kPa gage α₁ = 1.0 1 Pump Sual Z₂ = 40 m P2 = 350 kPa gage %₂ = 1.0 D₂ = 0.2 m Head loss in pipe = 3 m Water Q = 0.5 m³/s Properties: Water (10°C, 1 atm, Table A.5): y = 9810 N/m³