Fox And Mcdonald's Introduction To Fluid Mechanics
9th Edition
ISBN: 9781118921876
Author: Pritchard, Philip J.; Leylegian, John C.; Bhaskaran, Rajesh
Publisher: WILEY
expand_more
expand_more
format_list_bulleted
Textbook Question
Chapter 8, Problem 19P
A fluid of specific gravity 0.90 flows at a Reynolds number of 1500 between parallel plates spaced 0.3 m apart. The velocity 50 mm from the wall is 3 m/s. Calculate the flow rate and the velocity gradient at the wall
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents have asked these similar questions
Water is pumped at a rate of 21.4 m/s from tank (A) and out through a 300.5 m pipe to tank (B). The surface roughness
of the pipe is 0.046 mm. When the water levels are as shown in the given figure, the head provided by the pump is 70 m,
Calculate the pipe diameter (mm) if the water temperature is 10°C (do not assume the water mass density and the
ViScosity), Usef 0.02 for the first iteration and try only one more iterations (two in total) by using Swamee and Jain
formula.
Elevation
135
Elevation
140 m
Tank (B)
Tievation
100m
Tank LA)
Jund:
Elevitions in
Write the answer for any numbers after the declmal
The ethanol solution is pumped into a vessel 25 m above the reference point through a 25 mm diameter steel pipe at a rate of 8 m3/hour. The length of the pipe is 35m and there are 2 elbows. Calculate the pump power requirement. The properties of the solution are density 975 kg/m3 and viscosity 4x 10-4 Pa s.
a. Reynolds number =
b. Energy Loss along a straight pipe = J/kg.
c. Energy Loss in turns = J/kg.
d. Total energy to overcome friction = J/kg.
e. Energy to raise water to height = J/kg.
f. Theoretical energy requirement of the pump kg ethanol/second = J/kg.
g. Actual pump power requirement = watt.
A crude oil of specific gravity 0.9 is flowing through a pipe of diameter 200 mm and the frictional head loss of 4.5 m of crude oil between the two ends of a pipe which are 825 m apart.
Calculate the Reynold's Number, discharge of crude oil in the pipe. Take co - efficient of friction as 0.007 and kinematic viscosity as 12 stokes.
The velocity of flow of oil in the pipe is (m/s)
The Reynold's Number for the flow is
Discharge of crude oil through pipe (in m3/s) is
Chapter 8 Solutions
Fox And Mcdonald's Introduction To Fluid Mechanics
Ch. 8 - Consider incompressible flow in a circular...Ch. 8 - What is the maximum flow rate of air that may...Ch. 8 - For flow in circular tubes, transition to...Ch. 8 - An incompressible fluid flows between two infinite...Ch. 8 - Oil is confined in a 4-in.-diameter cylinder by a...Ch. 8 - Viscous oil flows steadily between parallel...Ch. 8 - Calculate for the flow in this two-dimensional...Ch. 8 - The velocity profile in a two-dimensional open...Ch. 8 - A large mass is supported by a piston of diameter...Ch. 8 - A hydraulic jack supports a load of 9000 kg. The...
Ch. 8 - The basic component of a pressure gage tester...Ch. 8 - When a horizontal laminar flow occurs between two...Ch. 8 - In a laminar flow of water of 0:007 m3/s between...Ch. 8 - Consider the simple power-law model for a...Ch. 8 - A sealed journal bearing is formed from concentric...Ch. 8 - Using the profile of Problem 8.15, show that the...Ch. 8 - In a laminar flow between parallel plates spaced...Ch. 8 - A fluid of specific gravity 0.90 flows at a...Ch. 8 - Two immiscible fluids are contained between...Ch. 8 - The record-read head for a computer disk-drive...Ch. 8 - Consider steady, incompressible, and fully...Ch. 8 - In a flow of air between parallel plates spaced...Ch. 8 - Consider fully developed flow between parallel...Ch. 8 - Free-surface waves begin to form on a laminar...Ch. 8 - A viscous-shear pump is made from a stationary...Ch. 8 - The efficiency of the viscous-shear pump of Fig....Ch. 8 - An inventor proposes to make a viscous timer by...Ch. 8 - A continuous belt, passing upward through a...Ch. 8 - A wet paint film of uniform thickness, , is...Ch. 8 - Consider first water and then SAE 10W lubricating...Ch. 8 - Using Eq. A.3 in Appendix A for the viscosity of...Ch. 8 - Consider fully developed laminar flow in the...Ch. 8 - Carbon dioxide flows in a 50-mm-diameter pipe at a...Ch. 8 - Consider fully developed laminar flow in a...Ch. 8 - What is the largest diameter of pipeline that may...Ch. 8 - Consider fully developed laminar flow in the...Ch. 8 - Consider fully developed pressure-driven flow in a...Ch. 8 - In the laminar flow of an oil of viscosity 1 Pa_s,...Ch. 8 - In a laminar flow of 0.007 m3/s in a...Ch. 8 - Consider blood flow in an artery. Blood is...Ch. 8 - The classic Poiseuille flow (Eq. 8.12), is for...Ch. 8 - For pressure-driven, steady, fully developed...Ch. 8 - In a laminar flow in a 12-in.-diameter pipe the...Ch. 8 - A fluid of specific gravity 0.90 flows at a...Ch. 8 - In a food industry plant, two immiscible fluids...Ch. 8 - A horizontal pipe carries fluid in fully developed...Ch. 8 - Kerosene is pumped through a smooth tube with...Ch. 8 - In a flow of water in a 0.3-m-diameter pipe, the...Ch. 8 - A liquid drug, with the viscosity and density of...Ch. 8 - Laufer [5] measured the following data for mean...Ch. 8 - Equation 8.23 gives the power-law velocity profile...Ch. 8 - Consider fully developed laminar flow of water...Ch. 8 - Consider fully developed laminar flow in a...Ch. 8 - If the turbulent velocity profile in a pipe 0.6 m...Ch. 8 - Water flows in a horizontal constant-area pipe;...Ch. 8 - For a given volume flow rate and piping system,...Ch. 8 - Consider the pipe flow from the water tower of...Ch. 8 - At the inlet to a constant-diameter section of the...Ch. 8 - When oil (kinematic viscosity 1 104 m2/s,...Ch. 8 - When fluid of specific weight 50 lb/ft3 flows in a...Ch. 8 - If the head lost in 30-m-diameter of...Ch. 8 - Water flows at 10 L/min through a horizontal...Ch. 8 - Laufer [5] measured the following data for mean...Ch. 8 - Water is pumped at the rate of 0.075 m3/s from a...Ch. 8 - Just downstream from the nozzle tip the velocity...Ch. 8 - A horizontal nozzle having a cylindrical tip of 75...Ch. 8 - When 0.3 m3/s of water flows through a...Ch. 8 - Water flows through a 2-in.-diameter tube that...Ch. 8 - A 50-mm-diameter nozzle terminates a vertical...Ch. 8 - A 12-in.-diameter pipe leaves a reservoir of...Ch. 8 - A water pipe gradually changes from 6-in.-diameter...Ch. 8 - Air at standard conditions flows through a sudden...Ch. 8 - Water flows from a larger pipe, diameter D1 = 100...Ch. 8 - Flow through a sudden contraction is shown. The...Ch. 8 - A flow rate of 1.01/min of oil of specific gravity...Ch. 8 - Water flows in a smooth pipeline at a Reynolds...Ch. 8 - Air flows out of a clean room test chamber through...Ch. 8 - A conical diffuser is used to expand a pipe flow...Ch. 8 - By applying the basic equations to a control...Ch. 8 - Water at 45C enters a shower head through a...Ch. 8 - Water discharges to atmosphere from a large...Ch. 8 - A laboratory experiment is set up to measure...Ch. 8 - Oil with kinematic viscosity = 7.5 104 ft2/s...Ch. 8 - Water from a pump flows through a 9-in.-diameter...Ch. 8 - A 5-cm-diameter potable water line is to be run...Ch. 8 - A system for testing variable-output pumps...Ch. 8 - Two reservoirs are connected by three clean...Ch. 8 - Water, at volume flow rate Q = 0.75 ft3/s, is...Ch. 8 - When you drink a beverage with a straw, you need...Ch. 8 - What flow rate (gpm) will be produced in a...Ch. 8 - Gasoline flows in a long, underground pipeline at...Ch. 8 - An 18-in.-diameter new riveted steel pipeline 1000...Ch. 8 - What diameter of smooth masonry pipe is needed to...Ch. 8 - Water flows steadily in a 125-mm-diameter...Ch. 8 - Two galvanized iron pipes of diameter D are...Ch. 8 - A mining engineer plans to do hydraulic mining...Ch. 8 - The flow of water through a 150-mm-diameter...Ch. 8 - The fluid flowing has specific gravity 0.90; V75=6...Ch. 8 - Water is flowing. Calculate the direction and...Ch. 8 - Investigate the effect of tube roughness on flow...Ch. 8 - Investigate the effect of tube length on water...Ch. 8 - For the pipe flow into a reservoir of Example 8.5...Ch. 8 - Calculate the magnitude and direction of the...Ch. 8 - Experimental determination of local losses and...Ch. 8 - Water is flowing. Calculate the gage reading when...Ch. 8 - The siphon shown is fabricated from 50-mm-i.d....Ch. 8 - A large open water tank has a horizontal cast iron...Ch. 8 - A tank containing 30 m3 of kerosene is to be...Ch. 8 - A 90 screwed elbow is installed in a...Ch. 8 - Calculate the total tension in the bolts. Neglect...Ch. 8 - A horizontal 50-mm-diameter PVC pipeline leaves...Ch. 8 - You are watering your lawn with an old hose....Ch. 8 - Your boss claims that for pipe flow the flow rate,...Ch. 8 - A hydraulic press is powered by a remote...Ch. 8 - One-quarter of a cubic meter per second of liquid...Ch. 8 - Calculate the flow rate from this water tank if...Ch. 8 - A 6-ft-diameter pipeline 4 miles long between two...Ch. 8 - A new industrial plant requires a water flow rate...Ch. 8 - What diameter water pipe is required to handle...Ch. 8 - A pipe friction experiment for air consists of a...Ch. 8 - Oil has been flowing from a large tank on a hill...Ch. 8 - The pressure rise across a water pump is 35 psi...Ch. 8 - Cooling water is pumped from a reservoir to rock...Ch. 8 - You are asked to size a pump for installation in...Ch. 8 - Heavy crude oil (SG = 0.925 and = 1.0 104 m2/s)...Ch. 8 - Petroleum products are transported over long...Ch. 8 - The head versus capacity curve for a certain fan...Ch. 8 - A swimming pool has a partial-flow filtration...Ch. 8 - Water at 65C flows through a 75-mm-diameter...Ch. 8 - A 12 in. 6 in. Venturi meter is installed in a...Ch. 8 - A 1-in.-diameter nozzle is attached to a...Ch. 8 - A sharp-edged orifice with conventional pressure...Ch. 8 - A venturi meter with a 3-in.-diameter throat is...Ch. 8 - Air flows through a venturi meter with a...Ch. 8 - Water at 10C flows steadily through a venturi. The...Ch. 8 - Drinking straws are to be used to improve the air...Ch. 8 - In some western states, water for mining and...
Additional Engineering Textbook Solutions
Find more solutions based on key concepts
What was the first application for Java?
Concepts Of Programming Languages
What is an object?
Starting Out With Visual Basic (8th Edition)
Look at the following interface: public interface Computable { double compute(double x); } Write a statement th...
Starting Out with Java: From Control Structures through Data Structures (4th Edition) (What's New in Computer Science)
Why is the study of database technology important?
Database Concepts (8th Edition)
Comprehension Check 8-10
If the pressure is 250 feet of water [ft H2O], what is the pressure in units of inches...
Thinking Like an Engineer: An Active Learning Approach (4th Edition)
A file that contains a Flash animation uses the __________ file extension. a. .class b. .swf c. .mp3 d. .flash
Web Development and Design Foundations with HTML5 (8th Edition)
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, mechanical-engineering and related others by exploring similar questions and additional content below.Similar questions
- Water at 4°C flows through a 100-mm ID smooth pipe. The Reynolds number of the flow is 150000. Calculate the maximum velocity.arrow_forwardWater is pumped through a horizontal, smooth circular pipe at a bulk velocity of 0.4 m/s. The pipe has an internal diameter of 250 mm and a total length of 1600 m. The pipe flow is fully-developed. The shear viscosity of the water is 1 mPa.s. g) Calculate the power required to pump the water if the fluid flow is laminar. Provide your answer to two decimal places.arrow_forwardOil of viscosity 0.75 poise and specific weight 8436 N/m flows in a 0.25 m diameter pipe with a velocity of 0.88 m/s. Determine the Reynolds number and the type of flow.arrow_forward
- Water having kinematic viscosity v=1.3x10-6 m2/s flows in a 100-mm diameter pipe at a velocity of 4.5m/s. Is the flow laminar or turbulent.arrow_forwardWater is pumped at a rate of 24.33 m/s from tank (A) and out through a 298.05 m pipe to tank (B). The surface roughness of the pipe is 0.046 mm. When the water levels are as shown in the given figure, the head provided by the pump is 70.54 m. Calculate the pipe diameter (mm) if the water temperature is 10°C (do not assume the water mass density and the viscosity). Use f = 0.02 for the first iteration and try only one more iterations (two in total) by using Swamee and Jain formula. Elevation Elevatjon - = 140 m = 135 m Tank (B) Elevation = 100 m Tank (A) pump Elevation = 95 marrow_forwardThe ethanol solution is pumped into a vessel 25 m above the reference point through a 25 mm diameter steel pipe at a rate of 10 m3 / hr. The pipe length is 35m and there are 2 elbows. Calculate the power requirements of the pump. The properties of the solution are density 975 kg / m3 and viscosity 4x 10-4 Pa s. a. Reynold number = Answer b. Loss of Energy along the straight pipe = Answer J / kg. c. Losing Energy at curves = Answer J / kg. d. Total energy to overcome friction = Answer J / kg. e. Energy to increase water according to height = Answer J / kg. f. The theoretical energy requirement of the pump ethanol / second = Answer J / kg. g. Actual pump power requirement = Answer watt.arrow_forward
- An oil with density of 900 kg/m2 and viscosity of 0.0002 m2/s flows upward through a 10 m long pipe segment inclined at 40℃ with the horizontal. The pressure a the upstream and downstream end of the pipe are 350 kPa and 250 kPa, respectively. The diameter of the pipe is 60 mm. Assume the flow is laminar. What is the head loss along the pipe segment? 3.77 4.9 5.35 6.1 What is the velocity of the fluid flow? 3.37 2.95 2.08 2.7 Which of the following gives the Reynold’s number? 810.9 624.21 1011.15 885.63arrow_forward1. Oil with a density of 910 kg/m³ and viscosity of 0.0019 m²/s is pumped through a 150 mm diameter pipeline at a rate of 20 tonnes per hour. Calculate the Reynolds number and determine the nature of flow. (laminar) 2. For the geometry below determine the hydraulic mean depth and the nature of flow when a velocity is 0.2 m/s, density is 980 kg/m³ and viscosity is 3 x 10 * Pa.s. Note: the shaded area is the wetted section. (turbulent) 46 mm 3. For the geometry below determine the hydraulic mean depth and the nature of flow when velocity is 0.2 m/s, density is 980 kg/m³ and viscosity is 3 x 10 Pa.s. Note: the shaded area is the wetted section. (turbulent) 56 mm 65 mm 65 mmarrow_forwardCalculate the average and maximum velocities of a fluid flowing at the rate of 20 L/min through a 1 1/2 in. sanitary pipe. The fluid has a density of 1030kg/m3 and a viscosity of 50 centipoises. Is the flow laminar or turbulent?arrow_forward
- A pipe is often used to assess the flow rate of water in the center of a pipe with an internal diameter of 102.3 mm at 20°C (density = 998.3 kg/m3, viscosity = 1.005 CP). The pitot tube coefficient is 0.98, and the manometer reading is 10 mm of mercury at 20°C (density = 13,545. 85 kg/m3). Compute the velocity at the center and the water's volumetric flow ratearrow_forwardThe ethanol solution is pumped into a vessel 25 m above the reference point through a 25 mm diameter steel pipe at a rate of 8 m3 / hr. The pipe length is 35m and there are 2 elbows. Calculate the power requirements of the pump. The properties of the solution are density 975 kg / m3 and viscosity 4x 10-4 Pa s. a. Reynold number = ..... b. Energy Loss along the straight pipe = ..... J / kg. c. Energy Loss at curves = ..... J / kg. d. Total energy to overcome friction = ..... J / kg. e. Energy to raise water according to height = ..... J / kg. f. The theoretical energy requirement for the pump is kg ethanol / second = ..... J / kg. g. Actual pump power requirement = ..... watts.arrow_forwardA pump is used in a building to lift water from a ground floor. The pump is pushing 60l/sec of water through a 0.1m diameter to above floor which is 5m high If the average velocity in the pipe is 6m/s. what will major energy loss if the dynamic viscosity of water is 8.9 x 10-4s. Due to vibration and noise issue in a pipe the velocity of pump is decided to set at 2.5 m/s. What will new major energy? Calculate the minor energy loss if length of the pipe is 15m. use f = 0.03, = 1, = 0.9 Analyse the relationship between frictional energy loss under different gravitational flow conditionsarrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- Elements Of ElectromagneticsMechanical EngineeringISBN:9780190698614Author:Sadiku, Matthew N. O.Publisher:Oxford University PressMechanics of Materials (10th Edition)Mechanical EngineeringISBN:9780134319650Author:Russell C. HibbelerPublisher:PEARSONThermodynamics: An Engineering ApproachMechanical EngineeringISBN:9781259822674Author:Yunus A. Cengel Dr., Michael A. BolesPublisher:McGraw-Hill Education
- Control Systems EngineeringMechanical EngineeringISBN:9781118170519Author:Norman S. NisePublisher:WILEYMechanics of Materials (MindTap Course List)Mechanical EngineeringISBN:9781337093347Author:Barry J. Goodno, James M. GerePublisher:Cengage LearningEngineering Mechanics: StaticsMechanical EngineeringISBN:9781118807330Author:James L. Meriam, L. G. Kraige, J. N. BoltonPublisher:WILEY
Elements Of Electromagnetics
Mechanical Engineering
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Oxford University Press
Mechanics of Materials (10th Edition)
Mechanical Engineering
ISBN:9780134319650
Author:Russell C. Hibbeler
Publisher:PEARSON
Thermodynamics: An Engineering Approach
Mechanical Engineering
ISBN:9781259822674
Author:Yunus A. Cengel Dr., Michael A. Boles
Publisher:McGraw-Hill Education
Control Systems Engineering
Mechanical Engineering
ISBN:9781118170519
Author:Norman S. Nise
Publisher:WILEY
Mechanics of Materials (MindTap Course List)
Mechanical Engineering
ISBN:9781337093347
Author:Barry J. Goodno, James M. Gere
Publisher:Cengage Learning
Engineering Mechanics: Statics
Mechanical Engineering
ISBN:9781118807330
Author:James L. Meriam, L. G. Kraige, J. N. Bolton
Publisher:WILEY
Intro to Compressible Flows — Lesson 1; Author: Ansys Learning;https://www.youtube.com/watch?v=OgR6j8TzA5Y;License: Standard Youtube License