A pumped fluid distribution system is being designed to deliver 400 gal/min of water to a cooling system in a power generation plant. Use the figure below to make an initial selection of Schedule 40 pipe sizes for the suction and discharge lines for the system. Also, solve for the actual average velocity of flow for each pipe. DN (mm) NPS (in

A pumped fluid distribution system is being designed to deliver 400 gal/min of water to a cooling system in a power generation plant. Use the figure below to make an initial selection of Schedule 40 pipe sizes for the suction and discharge lines for the system. Also, solve for the actual average velocity of flow for each pipe. DN (mm) NPS (in

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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A 400 gpm piping system is composed of the following pipes and fittings. Using the chart; Determine the Following: a. Equivalent length at suction in ft b. Equivalent length at discharge in ft c. Total friction loss in the installation, in ft. Suction side (4.5” Փ) Length of straight pipe 210 ft Long sweep elbow 5 pcs Standard Tee 2 pcs Globe valve 1 pc Checked valve 1 pc Gate valve (fully open) 1 pc Discharge side (4.0” Փ) Straight pipe 200 ft Standard elbow 4 pcs Standard Tee 3 pcs Gate valve (fully open) 1 pc
Write legibly 1. Water flows from section 1 to section 2 in the pipe shown in the figure. The total head loss from section 1 to section 2 is 2.50 m. For the data given, determine (a) the velocity of flow at section 2 and (b) the fluid pressure at section 2. Answer: a. velocity of flow at section 2: ____________ m/s b. fluid pressure at section 2: ______________ kPa
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…
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?
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For the following pump-pipe system below, how will the discharge and pump head change if a smaller pump in the same family is used to replace the current pump? Increase or decrease? EB EA Head (ft) 350 300 250 225 200 150 100 50 0 0 5 10 O Pump head will decrease; discharge will decrease. O Pump head will increase; discharge will increase. O Pump head will increase; discharge will increase. O Pump head will decrease; discharge will increase. 15 20 Discharge (cfs) System head curve 25 H₂ -Intersection point Pump characteristics 30 35 40
Use 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.Water flows through a schedule-40 pipe that changes gradually in diameter from 6 in (154mm) at point A to 18 in (429 mm) at point B. The volumetric flow rate is 5.0 *3/sec (130 L/s). The respecLve pressures at points A and B are 10 psia (70 kPa) and 7 psia (48.3 kPa). All lossesare insignificant. What are the direcLon of flow and velocity at point A? (A) 3.2 */sec (1 m/s); from A to B(B) 25 */sec (7.0 m/s); from A to B(C) 3.2 */sec (1 m/s); from B to A(D) 25 */sec (7.5 m/s); from A to B
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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 ft
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.
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