The diagram below shows a pumping system to pump water to an elevated tank. The next page shows the performance curve of a specific type of centrifugal pump. The loss factors at the inlet and outlet are 0.5 and 1.5 respectively while the loss factor associated with the bend is 1.5. The diameter of the pipe is 0.050 m while the total pipe length is 400 m. In order to simplify the calculation you can assume that the friction factor is f= 0.036. Determine the duty point of this pumping system and thus determine the flow rate of the pump for an impeller diameter of 140 mm? Also determine the shaft power of the pump and give an estimate of the pumps efficiency at the duty point. Given that the pump is located 1.80 m above the water surface (1), and the pipe length from inlet to pump is 6.0 m, determine the NPSHA at the pump and state whether cavitation is likely to occur. Sol: 3.6 m 40 H m 30- P 10 20- K₁ = 0.5 5- kW 2- 1- 13 4 2- NPSH K₁ = 1.5 170 160 150 140. 130_ (1) Q 10 Pump 20 54 Diameter of pipe = 0.050 m Total pipe length = 400 m Q-H $6 Q-P 130 571% 140 150 Q-NPSH te160- 30 50-160 170 m/h 40 140 ft -120 -100 80 -60 40 -7 hp +6 -5 -3 -20 ft F-15 -10 -5 0 (2) H P NPSH Water KL = 1.0

The diagram below shows a pumping system to pump water to an elevated tank. The next page shows the performance curve of a specific type of centrifugal pump. The loss factors at the inlet and outlet are 0.5 and 1.5 respectively while the loss factor associated with the bend is 1.5. The diameter of the pipe is 0.050 m while the total pipe length is 400 m. In order to simplify the calculation you can assume that the friction factor is f= 0.036. Determine the duty point of this pumping system and thus determine the flow rate of the pump for an impeller diameter of 140 mm? Also determine the shaft power of the pump and give an estimate of the pumps efficiency at the duty point. Given that the pump is located 1.80 m above the water surface (1), and the pipe length from inlet to pump is 6.0 m, determine the NPSHA at the pump and state whether cavitation is likely to occur. Sol: 3.6 m 40 H m 30- P 10 20- K₁ = 0.5 5- kW 2- 1- 13 4 2- NPSH K₁ = 1.5 170 160 150 140. 130_ (1) Q 10 Pump 20 54 Diameter of pipe = 0.050 m Total pipe length = 400 m Q-H $6 Q-P 130 571% 140 150 Q-NPSH te160- 30 50-160 170 m/h 40 140 ft -120 -100 80 -60 40 -7 hp +6 -5 -3 -20 ft F-15 -10 -5 0 (2) H P NPSH Water KL = 1.0

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

See similar textbooks

Similar questions

A 200 mm steel pipe is connected to a reservoir as shown in the figure. A 200 mm x 50 mm nozzle at the end of the pipe discharges a jet. Determine the flow rate and the pressure at points A, B, C, and D. Ignore losses
Topic: Flow in closed conduits For the pipe network shown, the flow of water from A to the first junction is 2 cubic feet per second. Assuming all pipes have a friction factor of 0.020 Which of the following statements is TRUE? *The head loss in pipes 1 and 5 are equal. *The head loss in pipes 3 and 4 are equal. *The headloss in pipe 2, 3 and 4 are equal. *The sum of the head loss in pipes 3 and 4 is equal to the head loss of pipe 2. Please answer with complete and detailed solution. ASAP. Thank you
1) The figure shows a conduit made of 1 std type K drawn copper tubing that conveys acetone at a flow rate of 1.33x10 m³/s. All fittings are soldered; the gate valve is fully open. (a) calculate the pressure drop through the system using minor-loss values. (b) Calculate the pressure drop through the system using equivalent length values. Compare the results. The total length of tubing is 9.15 m and the conduit is in a horizontal plane.
(Multiple pipes) The three tanks shown in the figure below are connected by pipes with friction factors of 0.03 for each pipe. Determine the water velocity in each pipe. Neglect minor losses. Elevation = 857 ft Elevation = 822 ft D = 1.1 ft D = 1.0 ft l = 700 ft l = 800 ft (1) (A) V₁ = i (B) V₂ = i (C) V3 = i (3) D = 1.2 ft € = 600 ft (2) ft/s ft/s ft/s Elevation = 793 ft
A tank has two identical orifices in one of its vertical sides. The upper orifice is 4 m below the water surface and lowers one 6 m below the water surface. If the value of Cv for each orifice is 0.98, find the point of intersection of the two jets. Include a diagram in your solution. a.At horizontal distance of 6.60 m. b.At horizontal distance of 7.60 m. c.At horizontal distance of 8.60 m. d.At horizontal distance of 9.60 m.
Required information The figure shows a 400-mm-diameter brake drum with four internally expanding shoes. Each of the hinge pins A and B supports a pair of shoes. The actuating mechanism is to be arranged to produce the same force Fon each shoe. The face width of the shoes is 75 mm. The material used permits a coefficient of friction of 0.22 and a maximum pressure of 1000 kPa. Consider a = 0.150 m, R= 0.20 m, d= 0.050 m, and c= 0.165 m. NOTE: This is a multi-part question. Once an answer is submitted, you will be unable to return to this part. 15° 15° F F 10 10 10 BY 10 FF 15° 15° Determine the following forces acting on the hinge pins of the brake. Rx1 (primary shoe) is kN. Ry1 (primary shoe) is kN. Rx2 (secondary shoe) is kN. Ry2 (secondary shoe) kN. The resultant force Ris kN.
Problem 10.56 The 100-mm-diameter commercial steel pipe discharges water at 25°C through the 40-mm-diameter nozzle. (Figure 1) Figure 40 mm g 60e 3m A 100 mm 1 of 1 Part A If the pressure at A is 250 kPa, determine the discharge. The minor loss coefficient of the nozzle is KL = 0.15. Express your answer to three significant figures and include the appropriate units. Q= Submit OL μА Value Provide Feedback Request Answer Units ? (v 5 of 6 Review Next >
A manometer is attached to a conduit as shown. What is the pressure at A in KPa given the following: Sp.gr. of liquid B = 10 h = 150 mm d = 450 mm Water |h=150 d=450 B (sp. gr. = 10)
The suction side of a pipe system is as shown in the figure. The pump discharges 495 gpm of water under a total head of 100 ft at 40°F. Atmospheric pressure = 32.7 ft of water. If the required NPSH is 9 ft, will there be a cavitation problem? Please note that 1 cfs equals 449 gpm. 12 ft 6 ft Diameter L = 300 ft Steel = 10 in 5
Water is transported in a pipe, at an average flow rate of Q = 80 L/s. Calculate the pressure difference 'p between the 2 manometers. The pipe has a diameter of 300 mm, a length of 10 km and is made of new ductile iron (kS = 0.26 mm, CHW = 130). For the calculation of energy losses by friction, use: a) the Darcy-Weisbach method b) the Hazen-Williams method %3D FONTE DUCTILE NEUVE (ks = 0.26 mm, C-w = 130) do = 300 mm Q = 80 L/s P2 10 m 10 km Q = 80 L/s
The figure shows a system for delivering lawn fertilizer in liquid form. The nozzle on the end of the hose requires 169.00 kPa of pressure to operate effectively. The hose is smooth plastic with an ID of 25 mm. The fertilizer solution has a specific gravity of 1.13 and a dynamic viscosity of 2.69 x 103 Pa•s. If the length of the hose is 76 m. The coefficient of friction, f= 0.021 and the flow rate is 97 L/min. Required Determine the power delivered by the pump to the solution in kW, to the nearest 100th. Vent 10 m Pump 1.2 m 1.5 m
Problem #4 If the pressure difference between points 1 and 2 is 25 psi, what will be the flow rate? The pipes are galvanized iron with 0.0005 ft. Take v = 1.06 × 10−5 ft²/s and neglect Kis = minor losses. 10 in. dia 1. 2000 ft, 8 in. dia A B 1600 ft, 6 in. dia с 2. 800 ft, 10 in. dia-