Applied Fluid Mechanics (7th Edition)
7th Edition
ISBN: 9780132558921
Author: Robert L. Mott, Joseph A. Untener
Publisher: PEARSON
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Chapter 8, Problem 8.69PP
It is desired to flow
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Q.2) Determine the friction factor, “f” if Ethyl Alcohol at 25 C is flowing at 5.3 m/sec in a standard DN 40 Schedule 80 steel pipe.
A water piping system is 3000 ft of NPS 20-inch pipe that has three gate valves, one globe valve, one lift check valve, and two standard tees through the flow. Calculate the total pipe length that will include all the straight pipe and valves and fittings. Calculate the pressure drop due to friction if the average flow rate is assumed to be 6.7 ft3/s. Take the value of the Darcy friction factor from Prob (1).
Calculate the head loss in 2000 ft of 14-in diameter cast iron pipe at a flow rate of 1000 gpm. Use f = 0.025 for the pipe material.
Chapter 8 Solutions
Applied Fluid Mechanics (7th Edition)
Ch. 8 - A 4-in-ductile iron pipe carries 0.20ft3/s of...Ch. 8 - Calculate the minimum velocity of flow in ft/s of...Ch. 8 - Calculate the maximum volume flow rate of fuel oil...Ch. 8 - Calculate the Reynolds number for the flow of each...Ch. 8 - Determine the smallest metric hydraulic copper...Ch. 8 - In an existing installation, SAE 10 oil (sg = 0.89...Ch. 8 - From the data in Appendix C, we can see that...Ch. 8 - Compute the Reynolds number for the flow of 325...Ch. 8 - Benzene (sg = 0.86 ) at 60c C is flowing at 25...Ch. 8 - Hot water at 80 C is flowing to a dishwasher at a...
Ch. 8 - A major water main is an 18 -in ductile iron pipe....Ch. 8 - ]8.12 An engine crankcase contains SAE 10 motor...Ch. 8 - Repeat Problem 8.12 for an oil temperature of 160...Ch. 8 - At approximately what volume flow rate will propyl...Ch. 8 - SAE 30 oil (sg = 0.89 ) is flowing at 45 L/min...Ch. 8 - Repeat Problem 8.15 for an oil temperature of 160...Ch. 8 - Repeat Problem 8.15, except the tube is 50 mm...Ch. 8 - Repeat Problem 8.17 for an oil temperature of 0 C.Ch. 8 - The lubrication system for a punch press delivers...Ch. 8 - After the press has run for some time, the...Ch. 8 - A system is being designed to carry 500 gal/min of...Ch. 8 - The range of Reynolds numbers between 2000 and...Ch. 8 - The water line described in Problem 8.22was a cold...Ch. 8 - In a dairy, milk at 100 F is reported to have a...Ch. 8 - In a soft-drink bottling plant, the concentrated...Ch. 8 - ]8.26 A certain jet fuel has a kinematic viscosity...Ch. 8 - Crude oil is flowing vertically downward through...Ch. 8 - Water at 75 C is flowing in a standard hydraulic...Ch. 8 - Fuel oil is flowing in a 4 -in Schedule 40 steel...Ch. 8 - A 3-in Schedule 40 steel pipe is 5000 ft long and...Ch. 8 - Benzene at 60 C is flowing in a DN 25 Schedule 80...Ch. 8 - As a test to determine the effective wall...Ch. 8 - Water at F flows from a storage tank through ft...Ch. 8 - A water main is an 18 -in-diameter concrete...Ch. 8 - Figure 8.12shows a portion of a fire protection...Ch. 8 - A submersible deep-well pump delivers 745 gal/h of...Ch. 8 - On a farm, water at 60 F is delivered from a...Ch. 8 - Figure 8.15 shows a system for delivering lawn...Ch. 8 - A pipeline transporting crude oil (sg = 0.93 ) at...Ch. 8 - For the pipeline described in Problem 8.39,...Ch. 8 - Water at 10 C flows at the rate of 900 L/min from...Ch. 8 - For the system shown in Fig. 8.17, compute the...Ch. 8 - Fuel oil (sg = 0.94 ) is being delivered to a...Ch. 8 - Figure 8.18 shows a system used to spray polluted...Ch. 8 - In a chemical processing system, the flow of...Ch. 8 - Water at 60 F is being pumped from a stream to a...Ch. 8 - For the pump described in Problem 8.46, if the...Ch. 8 - Gasoline at 50 F flows from point A to point B...Ch. 8 - Figure 8.20 shows a pump recirculating 300 gal/min...Ch. 8 - Linseed oil at 25 C flows at 3.65 in a standard...Ch. 8 - Glycerin at 25 C flows through a straight...Ch. 8 - Water at 75 C flows in a standard hydraulic copper...Ch. 8 - Benzene (sg = 0.88 ) at 60 C, flows in a DN 25...Ch. 8 - Water at 80 F flows in a 6 -in coated ductile iron...Ch. 8 - Water at 50 F flows at 15.0 ft3/s in a concrete...Ch. 8 - Water at 60 F flows at 1500 gal/min in a 10 -in...Ch. 8 - ]8.57 A liquid fertilizer solution (sg = 1.10 )...Ch. 8 - Crude oil (sg = 0.93 ) at 100 C flows at a rate of...Ch. 8 - Water at 65 C flows in a DN 40 Schedule 40 steel...Ch. 8 - Propyl alcohol flows in a standard hydraulic...Ch. 8 - ]3.61 Water at 70 F flows in a 12 -in-diameter...Ch. 8 - Heavy fuel oil at 77 F flows in a 6 -in Schedule...Ch. 8 - Water flows at a rate of 1.50ft3/s through 550 ft...Ch. 8 - Compute the energy loss as water flows in a...Ch. 8 - ]8.65 A water main is an 18 -in-diameter concrete...Ch. 8 - A fire protection system includes 1500 ft of 10...Ch. 8 - ]8.67 A standard hydraulic copper tube, 120 mm...Ch. 8 - Compute the energy loss as 2.0ft3/s of water flows...Ch. 8 - It is desired to flow 2.0ft3/s of water through...Ch. 8 - Specify a suitable size of new, clean Schedule 40...Ch. 8 - For the pipe selected in Problem 8.70, compute the...Ch. 8 - Compare the head loss that would result from the...Ch. 8 - In Problem 6.107, a theoretical flow rate of water...Ch. 8 - A pipeline is needed to transport medium fuel oil...Ch. 8 - Medium fuel oil at 25 C is to be pumped at a flow...Ch. 8 - A tremendous amount of study has gone into the...Ch. 8 - In a given installation, it is determined that the...Ch. 8 - "Laminar" fountains have become quite popular due...Ch. 8 - Use PIPE-FLO to model a straight horizontal run of...
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- How many gal/hr of water at 68 deg F can be delivered through a 1320-ft length of smooth 6.00 in i.d. pipe under a pressure difference of 0.25 psi. Assume that the pipe is “hydraulically smooth”arrow_forward4.) Compute the head loss and pressure drop in 80 m of horizontal 150-mm-diameter asphalted cast-iron pipe carrying water at 20℃ with a mean velocity of 1.83 m/s. Subject: Fluid Mechanic Lesson: Conservation of Energy Fluid Flow in Pipesarrow_forwardA machined entrance cone venture tube that has been fabricated according to ASME standards is fit to a 7 cm ID water pipe. The minimum diameter is 4 cm. If the pressure drop across the venture is 19 kPa, calculate the water flow rate.arrow_forward
- Compute the energy loss as water flows in a standard hydraulic copper tube, 120 mm OD X 3.5 mm wall, at a rate of 1000 L/min over a length of 45 m.arrow_forwardCalculate the Reynolds number for the flow of each of the following fluids in a 2-in Schedule 40 steel pipe if the vol-ume flow rate is 0.25 ft3 / s: (a) water at 60F, (b) acetone at 77F, (c) castor oil at 77F, and (d) SAE 10 oil at 210F (sg = 0.87).arrow_forward( Use nomograph AND the formula) Size a pipe that will not exceed 48' of HL in 6000 feet of pipe at a flow of 1500 gpmarrow_forward
- A pump is used to lift water at ambient temperature from one tank to another at a rate of 08/50 m3/min. If the pipe diameter is 4 in, calculate the power required to run the pump (efficiency 70%). The pipe material is commercial steel and contains 3 standard radius elbows. Assume h=1 cP. Calculate the Reynolds number and the friction head loss using the Moody chart attached, Using Colebrook equation. Calculate the other losses and the total loss, (Calculate the required power. Flow rate is not necessary for answering the question.arrow_forwarda)Determine the headloss in Pipe 1-5 (in feet).b) Determine the flow in the upper branch pipe Q2 (in cfs).arrow_forwardWater at 15 °C flows through a 300 mm steel pipe with roughness 3 mm. The corresponding head loss is measured as 6 m. a. What type of pipe flow problem is this? Type I, Ii or II? Explain why? b. Calculate the flow rate using an iterative procedure and Moody chart c. Calculate the power required to maintain flow d. Calculate the shear stress at the wallsarrow_forward
- Benzene (SG=0.86) at 60°C is flowing at 25 L/min in a DN 25 Schedule 80 steel pipe. Is the flow laminar or turbulent? Explain.arrow_forwardConvert 50 GPM to ft/s in a 4" Sch 40 pipearrow_forwardDetermine the flow rate in pounds per hour of water at 68°F through a 1000-ft length of horizontal 8-in schedule 40 steel pipe (internal diameter 0.7981 in) under a pressure difference of 3.00 psi. k/D = 2.3x10^4.arrow_forward
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