Three pipes A, B and C are interconnected as shown in Figure 1. The pipe dimensions are as follows : 1)Find the the rate at which water will flow in each pipe, ignoring the shock losses at P 2)Find the pressure at P
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Three pipes A, B and C are interconnected as shown in Figure 1. The pipe dimensions are as follows :
1)Find the the rate at which water will flow in each pipe, ignoring the shock losses at P
2)Find the pressure at P
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- 01.0 3 Cylindrical tanks are filled with a liquid as shown below. a)( )Calculate the time to completely drain each tank. Neglect viscous effects. Provide your answers in units of seconds to one decimal place. b) (C ) Determine which tank completely drains the fastest. Rank the three tanks in terms of draining timne: fastest to slowest. Tank 1 Tank 2 Tank 3 20 kPag 20 kPag D= 40 mm D,= 40 mm D, = 40 mm Water 15°C Kerosene SG 0.820 2.0 m Water 15°C O kPag O kPag o kPag D,= 2 mm D. =2 mm D,= 2 mm26. Inlet and throat diameters of a horizontal venturimeter are 270 mm and 130 mm respectively. The liquid flowing through the venturimeter is water. Pressure intensity at inlet is 19 N/cm2, while pressure at throat is 48 kPa. Find flow rate of water in lit/min, assuming Cd is 0.9 and also draw the neat sketch. i) Actual flow rate =I6 a) Determine the radial positions of a pitot tube for a 6-point traverse in a 0.3 m inner diameter pipe. Show your calculations. b) If the fluid velocity measured at the pipe center is 0.3 m/s and yields a Reynolds number based on local velocity of 4000, what is the fluid cross-sectional average velocity in the pipe? c) At what value of Re is the discharge coefficient of an orifice meter approximately independent of geometry and flow rate?
- oblems: 1. A horizontal pipe, 1 ft. in diameter, tapers gradually to 8 in. in diameter. If the flow is 500 cu ft. of water per minute, what is the difference between the pressures at the two sections? Ans. PA - PB = 443.63lb per sq ft 2. Water flows through a horizontal pipe at a velocity of 50 ft. per sec. Owing to the pipe gradually expanding to a larger size, the velocity decreases to 35 ft. per sec. What is the difference between the pressures at two points, one in each size of pipe? Ans. Pg - PA = 1,236. 75 lb per sq ftPerform unit conversion. 1432 cm^3 to LUse g=32.2 */sec2 (9.81 m/s2) and 60°F (16°C) water unless told to do otherwise.• Google schedule-40 pipe’s thickness at different nominal size to obtain the innerdiameter of the pipe for accurate determinaLon of flow velocity.• Must show your work to support your selecLon. Otherwise, no points will be given.• No peer discussion is allowed.1. A schedule-40 pipe necks down from 24 in at point A to 12 in at point B. 8 *3/sec of 60°Fwater flow from point A to point B. The pressure head at point A is 20 *. FricLon is insignificantover the distance between points A and B. What are the magnitude and direcLon of theresultant force on the water? (A) 2900 lbf; toward A(B) 3500 lbf; toward A(C) 2900 lbf; toward B(D) 3500 lbf; toward B
- med tve. (b) cast iron pipe when water at 15°C flows at 1.5 m/s. Assume that the pipe has a roughness of 0.244 mm. Viscosity and density of water are 1 x 10 Pa s and 1000 kg/m' respectively. Determine the energy loss in 300 m of new, uncoated 30.5 cm inside diameter fe) What are the conditions that transform the mechanical energy equation into the Bernoulli equation? State the energy balance cquation as the Bernoulli equation. (d) The tank below is cylindrical with a diameter of 10 m. The outlet is a cylindrical frictionless nozzle, with a diameter 1 m. The top of the tank is open to the atmosphere. When the level in the tank is 10 m above the centerline of the outlet, how fast is the level in the tank falling? M= VA m x M x Vn = 2n m = VAf Pcu/coe/158-111st: Using the formula t = determine the Caa/29 coefficient of discharge. “A" of tank Note: 1. "A" depends on the size of your bottle, 2. "a" depends on the size of the hole you punched 3. Let the initial head of water equal to 10 cm 4. You can determine "t" through experiment 5. Hence, the only unknown is the value of Cd. 6. Repeat the process, try using head of water equal to 15 cm, then 20 cm. “a" of orifice 7. Hence, you have 3 values of Cd. 8. Tabulate and graph the results. Be creative. Referred: 1.5 L water bottle or alike You need to provide pictures for No.1 to No.3. Show your solution in No.5. (x3 due to trial 1, 2, and 3. 2nd: Utilizing the same bottle, determine the average velocity of the fluid flowing through the water using the formula Q = CqA¿V¢ - "A" of tank Note: • Let Q = Volume / time. Use a beaker or measuring cup to determine the volume, then record the time “a" of orifice until water "runs" out. Be careful, volume refers only to the amount of water above the…The ratio of entry diameter with exit diameter is 0.4 in a control volume of pipe segment. What is the corresponding ratio of entry to exit velocity? Recall Q1=Q2 and v1A1=v2A2 Correct answer has a margin of 0.1 from exact answer.
- Place the correct formula in the blank %To determine Generated Power Output of Wind turbine clc clear all I=42; v=17; ad=1.23; cp=0.6; ng=0.96; nb=0.73; pw=0.5*ad*area*v^3 pt=pw*cp p=pt*ng*nb pmw=p/1000000 area=pi*l^3 | area=pi*l^2 || area=pt*I^2 area=p*l^21) Pitot tube can be used to measure the flow velocity. The equation can be derived from Bernoulli Equation. True or False 2) Which of the following statement is NOT correct about piping network? a) In parallel pipes, the flow rate is proportional to its diameter and inversely proportional to its length and friction factor. b) When analyzing the piping network, conservation of mass throughout the system must be satisfied. c) In piping systems with pumps, the Bernoulli equation should be corrected by introducing a kinetic energy correction factor. d) The algebraic sum of head losses for all loops equal to zero. 3) The EGL is always a distance V2/2g above the HGL. True or FalseFind the cost of the pumping water: Cost= r*P. where r 0.3353 is the interest rate and Pis the absolute pressure )( kpa) in the pipe Water Air 60 cm 50'cm 40 cm 50 cm S-0.8 S-0.5 45 deg Select one a. 172.7898 b. 34.5580 c. 138.2319 d. 69.1159 e 103 6739