Applied Fluid Mechanics
7th Edition
ISBN: 9780133414622
Author: UNTENER
Publisher: YUZU
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Chapter 9, Problem 9.4PP
Compute points on the velocity profile from the tube wall to the centerline of a standard hydraulic steel tube,
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The water is pumped from a 40 sch pipe that has 750 ft lenght, 6 in. nominal diameters. Height difference between exit and entry planes is stated as 50 ft. The yield of waterpump, 80% the power of pump motor is 20 horsepowers. Friction losses are stated as 50ft-lbf/lbm. Please calculate the flow rate in pipe line.
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Chapter 9 Solutions
Applied Fluid Mechanics
Ch. 9 - Compute points on the velocity profile from the...Ch. 9 - s9.2 Compute points on the velocity profile from...Ch. 9 - Compute points on the velocity profile from the...Ch. 9 - Compute points on the velocity profile from the...Ch. 9 - A small velocity probe is to be inserted through a...Ch. 9 - If the accuracy of positioning the probe described...Ch. 9 - An alternative scheme for using the velocity probe...Ch. 9 - Prob. 9.8PPCh. 9 - For the flow of 12.9L/min of water at 75C in a...Ch. 9 - A large pipeline with a 1,200m inside diameter...
Ch. 9 - Prob. 9.11PPCh. 9 - Prob. 9.12PPCh. 9 - Prob. 9.13PPCh. 9 - Prob. 9.14PPCh. 9 - Using Eq. (9-4), compute the ratio of the average...Ch. 9 - Prob. 9.16PPCh. 9 - Repeat Problem 9.16 for the same conditions,...Ch. 9 - Prob. 9.18PPCh. 9 - A shell-and-tube heat exchanger is made of two...Ch. 9 - Figure 9.14 shows a heat exchanger in which each...Ch. 9 - Figure 9.15 shows the cross section of a...Ch. 9 - Air with a specific weight of 12.5N/m3 and a...Ch. 9 - Carbon dioxide with a specific weight of...Ch. 9 - Water at 90F flows in the space between 6 in...Ch. 9 - Refer to the shell-and-tube heat exchanger shown...Ch. 9 - Refer to Fig. 9.14, which shows two DN 150...Ch. 9 - Refer to Fig. 9.15, which shows three pipes inside...Ch. 9 - Water at 10C is flowing in the shell shown in Fig....Ch. 9 - Figure 9.19 shows the cross section of a heat...Ch. 9 - Figure 9.20 shows a liquid-to-air heat exchanger...Ch. 9 - Glycerin ( sg=1.26 ) at 40C flows in the portion...Ch. 9 - Each of the square tubes shown in Fig. 9.21...Ch. 9 - A heat sink for an electronic circuit is made by...Ch. 9 - Figure 9.23 shows the cross section of a cooling...Ch. 9 - Prob. 9.35PPCh. 9 - The blade of a gas turbine engine contains...Ch. 9 - For the system described in Problem 9.24. compute...Ch. 9 - For the shell-and-tube heat exchanger described in...Ch. 9 - For the system described in Problem 9.26 compute...Ch. 9 - For the system described in Problem 9.27 compute...Ch. 9 - For the shell-and-tube heat exchanger described in...Ch. 9 - For the heat exchanger described in Problem 9.29...Ch. 9 - For the glycerin described in Problem 9.31 compute...Ch. 9 - For the flow of water in the square tubes...Ch. 9 - If the heat sink described in Problem 9.33 is 105...Ch. 9 - Compute the energy loss for the flow of water in...Ch. 9 - In Fig. 9.26 ethylene glycol ( sg=1.10 ) at 77F...Ch. 9 - Figure 9.27 shows a duct in which methyl alcohol...Ch. 9 - Prob. 9.49PPCh. 9 - Figure 9.29 shows a system in which methyl alcohol...Ch. 9 - A simple heat exchanger is made by welding...Ch. 9 - Three surfaces of an instrument package are cooled...Ch. 9 - Figure 9.32 shows a heat exchanger with internal...
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- For the duct system, plot required fan head Hrequired (mm of water column) as a function of volume flow rate V. (Lpm). On the same plot, compare available fan head Havailable versus V. , and mark the operating point. Discuss.arrow_forwardA 4-in-ductile iron pipe carries 0.20 ft/s of glycerin (sg = 1.26) at 100°F. Is the flow laminar or turbulent?arrow_forwardFor the flow of 12.9 L/min of water at 75 degrees Celcius in a plastic pipe, 16mm OD x 1.5mm wall, compute the expected maximum velocity of flow. Answer is 1.95m/s. Please show how to solve.arrow_forward
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- A 152.4 mm, Schedule 40 pipe line 91.4 m long conveys 3028 l/min of cold water from a pump to a point of discharge 24.4 m higher than the pump. There are four 90° elbow in the line. Find the pumps dynamic discharge head. Use Table of Equivalent Length of Straight Pipe (see image). Please help. Thank you :)arrow_forwardGlycerin, sg = 1.26 and μ = 1.49 Pa-s, flows through a 600-mm Ø pipe at 85 liters per second. a. What is the Reynold’s Number? b. What is friction factor? c. What is the critical velocity?arrow_forwardThe Alaska Pipeline in the chapter opener photo has a designflow rate of 4.4 E7 gallons per day of crude oil at 60°C(see Fig. A.1). (a) Assuming a galvanized-iron wall, estimatethe total pressure drop required for the 800-mile trip.(b) If there are nine equally spaced pumps, estimate thehorsepower each pump must deliver.arrow_forward
- Compute points on the velocity profile from the pipe wall to the centerline of a 3/4-in Type K copper tube if the volume flow rate of water at 60'F is Q 0.5 gal/min. Use increments of 0.05 in and include the velocity at the centerline. please be through and provide all calculus and graphs/tablesarrow_forwardA pipe of 180mm bore is delivering water at a rate of 8250dm3/min at a pressure 800kN/m2. It connects by a gradually expanding pipe to a main of 300mm bore which runs 3,5m above it. Find the pressure in the 300mm main, neglecting all losses.arrow_forwardAn air-conditioning system is designed to have a ductwith a rectangular cross section 1 ft by 2 ft, as shown. Duringconstruction, a truck driver backed into the duct and made it atrapezoidal section, as shown. The contractor, behind schedule,installed it anyway. For the same pressure drop along the pipe,what will be the ratio of the velocity in the trapezoidal duct tothat in the rectangular duct? Assume the Darcy-Weisbach resistance coefficient is the same for both ducts.arrow_forward
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