Solutions for Fox And Mcdonald's Introduction To Fluid Mechanics
Problem 1P:
The roof of a minivan is approximated as a horizontal flat plate. Plot the length of the laminar...Problem 2P:
A model of a river towboat is to be tested at 1:18 scale. The boat is designed to travel at 3.5 m/s...Problem 3P:
For flow over a smooth plate, what approximately is the maximum length of the laminar boundary layer...Problem 4P:
A model of a thin streamlined body is placed in a flow for testing. The body is 0.9 m long and the...Problem 5P:
A student is to design an experiment involving dragging a sphere through a tank of fluid to...Problem 6P:
A 1 m 2 m sheet of plywood is attached to the roof of your vehicle after being purchased at the...Problem 7P:
The extent of the laminar boundary layer on the surface of an aircraft or missile varies with...Problem 9P:
An approximation for the velocity profile in a laminar boundary layer is uU=2y2(y)3+(y)4 Does this...Problem 10P:
Evaluate / for each of the laminar boundary-layer velocity profiles given in Problem 9.8. 9.8...Problem 11P:
Evaluate the displacement thickness and the momentum thickness for a velocity profile given by...Problem 12P:
Evaluate the displacement thickness and the momentum thickness for a power law velocity profile...Problem 13P:
A fluid, with density = 1.5 slug/ft3, flows at U = 10 ft/s over a flat plate 10 ft long and 3 ft...Problem 14P:
Solve Problem 9.13 with the velocity profile at section bc given by the parabolic expression from...Problem 15P:
Air flows in a horizontal cylindrical duct of diameter D = 100 mm. At a section a few meters from...Problem 16P:
Evaluate the displacement thickness and the momentum thickness for the profile given by...Problem 17P:
Evaluate the displacement thickness and the momentum thickness for a velocity profile given by...Problem 18P:
A laboratory wind tunnel has a test section 25 cm square and 50 cm long. With nominal air speed U1 =...Problem 19P:
Air flows in the entrance region of a square duct, as shown. The velocity is uniform, U0 = 100 ft/s,...Problem 20P:
A flow of 68F air develops in a flat horizontal duct following a well-rounded entrance section. The...Problem 21P:
A flow of air develops in a horizontal cylindrical duct, of diameter D = 15 in., following a...Problem 22P:
Using numerical results for the Blasius exact solution for laminar boundary-layer flow on a flat...Problem 23P:
Using numerical results obtained by Blasius (Table 9.1, on the web), evaluate the distribution of...Problem 24P:
Using numerical results obtained by Blasius (Table 9.1, on the web), evaluate the vertical component...Problem 25P:
A smooth flat plate 2.4 m long and 0.6 m wide is placed in an airstream at 101.3 kPa, 15C, and...Problem 26P:
Consider flow of air over a flat plate. On one graph, plot the laminar boundary-layer thickness as a...Problem 27P:
A thin flat plate, L = 9 in. long and b = 3 ft wide, is installed in a water tunnel as a splitter....Problem 28P:
For a laminar boundary layer on a flat plate, evaluate the kinetic energy lost between the free...Problem 29P:
Air at atmospheric pressure and 20C flows over both sides of a flat plate that is 0.8 m long and 0.3...Problem 30P:
A thin flat plate is installed in a water tunnel as a splitter. The plate is 0.3 m long and 1 m...Problem 31P:
Assume laminar boundary-layer flow to estimate the drag on the flat plate shown when it is placed...Problem 32P:
Assume laminar boundary-layer flow to estimate the drag on the flat plate shown when it is placed...Problem 33P:
Assume laminar boundary-layer flow to estimate the drag on four square plates (each 3 in. 3 in.)...Problem 35P:
Water at 10C flows over a flat plate at a speed of 0.8 m/s. The plate is 0.35 m long and 1 m wide....Problem 36P:
Use the momentum integral equation to derive expressions for the displacement thickness , the...Problem 37P:
A smooth flat plate 1.6 ft long is immersed in 68F water flowing at 1.2 ft/s. In the center of the...Problem 39P:
A developing boundary layer of standard air on a flat plate is shown in Fig. P9.13. The freestream...Problem 40P:
Assume the flow conditions given in Example 9.3. Plot , , and w versus x/L for the plate. Example...Problem 41P:
A flat-bottomed barge having a 150 ft 20 ft bottom is towed through still water (60F) at 10 mph....Problem 42P:
European InterCity Express trains operate at speeds of up to 280 km/hr. Suppose that a train is 120...Problem 43P:
Grumman Corp. has proposed to build a magnetic levitation train to operate at a top speed of 300...Problem 44P:
Repeat Problem 9.32, for an air flow at 80 ft/s, assuming a turbulent boundary layer. 9.32 Assume...Problem 45P:
The velocity profile in a turbulent boundary-layer flow at zero pressure gradient is approximated by...Problem 46P:
The U.S. Navy has built the Sea Shadow, which is a small waterplane twin-hull (SWATH) ship whose...Problem 47P:
The two rectangular smooth flat plates are to have the same drag in the same fluid stream. Calculate...Problem 48P:
Standard air flows over a horizontal smooth flat plate at free-stream speed U = 20 m/s. The plate...Problem 49P:
Air at standard conditions flows over a flat plate. The free-stream speed is 30 ft/s. Find and w at...Problem 50P:
A uniform flow of standard air at 60 m/s enters a plane-wall diffuser with negligible boundary-layer...Problem 51P:
A laboratory wind tunnel has a flexible upper wall that can be adjusted to compensate for...Problem 52P:
Air flows in a cylindrical duct of diameter D = 6 in. At section , the turbulent boundary layer is...Problem 53P:
Perform a cost-effectiveness analysis on a typical large tanker used for transporting petroleum....Problem 54P:
Table 9.1 (on the web) shows the numerical results obtained from Blasius exact solution of the...Problem 55P:
A fluid flow enters the plane-wall diffuser that has an entrance area of A0 at a velocity of U0. (a)...Problem 57P:
For flow over a flat plate with zero pressure gradient, will the shear stress increase, decrease, or...Problem 59P:
A flat-bottomed barge, 80 ft long and 35 ft wide, submerged to a depth of 5 ft, is to be pushed up a...Problem 60P:
A towboat for river barges is tested in a towing tank. The towboat model is built at a scale ratio...Problem 61P:
Plot the local friction coefficient cf, the boundary layer thickness ratio = x, and the drag...Problem 62P:
A smooth plate 3 m long and 0.9 m wide moves through still sea level air at 4.5m/s. Assuming the...Problem 63P:
Resistance of a barge is to be determined from model test data. The model is constructed to a scale...Problem 64P:
A nuclear submarine cruises fully submerged at 27 knots. The hull is approximately a circular...Problem 65P:
You are asked by your college crew to estimate the skin friction drag on their eight-seat racing...Problem 66P:
The drag coefficient of a circular disk when placed normal to the flow is 1.12. Calculate the force...Problem 67P:
A steel sphere of 0.25 in. diameter has a velocity of 200 ft/s at an altitude of 30,000 ft in the...Problem 68P:
A steel sphere (SG = 7.8) of 13 mm diameter falls at a constant velocity of 0.06 m/s through an oil...Problem 69P:
A sheet of plastic material 0.5 in. thick, with specific gravity SG = 1.7, is dropped into a large...Problem 71P:
As part of the 1976 bicentennial celebration, an enterprising group hung a giant American flag 194...Problem 72P:
What constant speed will be attained by a lead (SG = 1.4) sphere of 0.5 in. diameter falling freely...Problem 73P:
Assuming a critical Reynolds number of 0.1, calculate the approximate diameter of the largest air...Problem 74P:
Glass spheres of 0.1 in. diameter fall at constant velocities of 0.1 and 0.05 ft/s through two...Problem 75P:
A rotary mixer is constructed from two circular disks as shown. The mixer is rotated at 60 rpm in a...Problem 78P:
Calculate the drag of a smooth sphere of 0.3 m diameter in a stream of standard sea level air at...Problem 79P:
Calculate the drag of a smooth sphere of 0.5 m diameter when placed in an airstream (15C and 101.3...Problem 80P:
A cylindrical chimney 0.9 m in diameter and 22.5 m high is exposed to a 56 km/h wind (15C and 101.3...Problem 81P:
The resistance to motion of a good bicycle on smooth pavement is nearly all due to aerodynamic drag....Problem 82P:
Ballistic data obtained on a firing range show that aerodynamic drag reduces the speed of a .44...Problem 84P:
A standard marine torpedo is 0.533 m in diameter and about 7.2 m long. Make an engineering estimate...Problem 85P:
A large truck has an essentially boxlike body that causes flow separation at the front edges of the...Problem 86P:
At a surprise party for a friend youve tied a series of 20-cmdiameter helium balloons to a flagpole,...Problem 87P:
A 0.5-m-diameter hollow plastic sphere containing pollution test equipment is being dragged through...Problem 88P:
A simple but effective anemometer to measure wind speed can be made from a thin plate hinged to...Problem 89P:
The Willis Tower (formerly the Sears Tower) in Chicago is 1454 ft tall. Assuming that it is a tall...Problem 90P:
It is proposed to build a pyramidal building with a square base with sides of 160 ft, which has the...Problem 91P:
Calculate the drag forces on a 1/200 scale model of the Willis Tower that is tested in a large water...Problem 92P:
A circular disk is hung in an air stream from a pivoted strut as shown. In a wind-tunnel experiment,...Problem 93P:
A vehicle is built to try for the land-speed record at the Bonneville Salt Flats, elevation 4400 ft....Problem 94P:
An F-4 aircraft is slowed after landing by dual parachutes deployed from the rear. Each parachute is...Problem 95P:
A tractor-trailer rig has frontal area A = 102 ft2 and drag coefficient CD = 0.9. Rolling resistance...Problem 96P:
A 180hp sports car of frontal area 1.72 m2, with a drag coefficient of 0.31, requires 17 hp to...Problem 98P:
An object falls in air down a long vertical chute. The speed of the object is constant at 3 m/s. The...Problem 100P:
A light plane tows an advertising banner over a football stadium on a Saturday afternoon. The banner...Problem 101P:
The antenna on a car is 10 mm in diameter and 1.8 m long. Estimate the bending moment that tends to...Problem 102P:
Consider small oil droplets (SG = 0.85) rising in water. Develop a relation for calculating terminal...Problem 103P:
Standard air is drawn into a low-speed wind tunnel. A 30-mm diameter sphere is mounted on a force...Problem 105P:
A small sphere with D = 6 mm is observed to fall through castor oil at a terminal speed of 60 mm/s....Problem 106P:
A tennis ball with a mass of 57 g and diameter of 64 mm is dropped in standard sea level air....Problem 107P:
A water tower consists of a 12-m-diameter sphere on top of a vertical tower 30 m tall and 2 m in...Problem 108P:
A cast-iron 12-pounder cannonball rolls off the deck of a ship and falls into the ocean at a...Problem 110P:
A rectangular airfoil of 40 ft span and 6 ft chord has lift and drag coefficients of 0.5 and 0.04,...Problem 111P:
A rectangular airfoil of 9 m span and 1.8 m chord moves horizontally at an angle of attack through...Problem 113P:
Why is it possible to kick a football farther in a spiral motion than in an end-over-end tumbling...Problem 114P:
If CL = 1.0 and CD = 0.05 for an airfoil, then find the span needed for a rectangular wing of 10 m...Problem 115P:
A wing model of 5 in. chord and 2.5 ft span is tested at a certain angle of attack in a wind tunnel...Problem 116P:
A barge weighing 8820 kN that is 10 m wide, 30 m long, and 7 m tall has conic free from its tug boat...Problem 117P:
A spherical sonar transducer with 15 in. diameter is to be towed in seawater. The transducer must be...Problem 118P:
While walking across campus one windy day, an engineering student speculates about using an umbrella...Problem 119P:
If the mean velocity adjacent to the top of a wing of 1.8 m chord is 40 m/s and that adjacent to the...Problem 120P:
The NACA 23015 airfoil is to move at 180 mph through standard sea level air. Determine the minimum...Problem 121P:
A human-powered aircraft has a gross weight of 240 lbf including the pilot. Its wing has a lift...Problem 122P:
WiffleTM balls made from light plastic with numerous holes are used to practice baseball and golf....Problem 124P:
A model airfoil of chord 6 in. and span 30 in. is placed in a wind tunnel with an air flow of 100...Problem 125P:
An antique airplane carries 50 m of external guy wires stretched normal to the direction of motion....Problem 126P:
How do cab-mounted wind deflectors for tractor-trailer trucks work? Explain using diagrams of the...Problem 127P:
An airplane with an effective lift area of 25 m2 is fitted with airfoils of NACA 23012 section (Fig....Problem 128P:
The U.S. Air Force F-16 fighter aircraft has wing planform area A = 300 ft2; it can achieve a...Problem 129P:
A light airplane, with mass M = 1000 kg, has a conventional-section (NACA 23015) wing of planform...Problem 130P:
A light airplane has 35-ft effective wingspan and 5.5-ft chord. It was originally designed to use a...Problem 131P:
Assume the Boeing 727 aircraft has wings with NACA 23012 section, planform area of 1600 ft2,...Problem 132P:
Jim Halls Chaparral 2F sports-racing cars in the 1960s pioneered use of airfoils mounted above the...Problem 133P:
Some cars come with a spoiler, a wing section mounted on the rear of the vehicle that salespeople...Problem 134P:
Roadside signs tend to oscillate in a twisting motion when a strong wind blows. Discuss the...Problem 135P:
Air moving over an automobile is accelerated to speeds higher than the travel speed, as shown in...Problem 136P:
A class demonstration showed that lift is present when a cylinder rotates in an air stream. A string...Browse All Chapters of This Textbook
Chapter 1 - IntroductionChapter 2 - Fundamental ConceptsChapter 3 - Fluid StaticsChapter 4 - Basic Equations In Integral Form For A Control VolumeChapter 5 - Introduction To Differential Analysis Of Fluid MotionChapter 6 - Incompressible Inviscid FlowChapter 7 - Dimensional Analysis And SimilitudeChapter 8 - Internal Incompressible Viscous FlowChapter 9 - External Incompressible Viscous FlowChapter 10 - Fluid Machinery
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More Editions of This Book
Corresponding editions of this textbook are also available below:
Me 380 - Fluyd Dynamics For Mechanical Engineers
8th Edition
ISBN: 9781119072966
EBK FOX AND MCDONALD'S INTRODUCTION TO
9th Edition
ISBN: 9781119034414
FOX+MCDONALD'S INTRO.TO...-ACCESS+BOX
9th Edition
ISBN: 9781118471340
FLUID MECHANICS EBOOKW/WILEYPLUS
9th Edition
ISBN: 9781119445159
Fox and McDonald's Introduction to Fluid Mechanics
9th Edition
ISBN: 9781118912652
Fox And Mcdonald's Introduction To Fluid Mechanics
9th Edition
ISBN: 9781119034582
Fox And Mcdonald's Introduction To Fluid Mechanics 9e Binder Ready Version + Wileyplus Registration Card
9th Edition
ISBN: 9781119032038
Fox And Mcdonald's Introduction To Fluid Mechanics
8th Edition
ISBN: 9780470547557
Fluid Mechanics, Desktop Edition
8th Edition
ISBN: 9780470948033
Fox and McDonald's Introduction to Fluid Mechanics
8th Edition
ISBN: 9781118139448
Introduction to Fluid Mechanics
7th Edition
ISBN: 9780471742999
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