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*launch*### Fluid Mechanics: Fundamentals and Appli...4th EditionYunus A. Cengel Dr., John M. Cimbala Publisher: McGraw-Hill EducationISBN: 9781259696534

Fluid Mechanics: Fundamentals and Appli...

## Solutions for Fluid Mechanics: Fundamentals and Applications

Problem 2CP:

Define internal, external, and open-channel flows.

Problem 3CP:

Define incompressible flow and in compressible fluid. Must the flow of a compressible fluid...

Problem 4CP:

Consider the flow of air over the wings of an aircraft. Is flow external? How about the flow of...

Problem 5CP:

What is forced flow? How does it differ from natural flow? Is flow caused by winds forced or natural...

Problem 8CP:

Consider the flow of air at a Mach number of 0.12. Should this flow be approximated as being...

Problem 18CP:

In a news ankle, is stated that a recently developed geared turbofan engine produces 15,000 pounds...

Problem 19CP:

Explain why the light-year has the dimension of length.

Problem 24P:

Determine the mass and the weight of the air contained in a room whose dimensions are 3m5m7m ....

## Browse All Chapters of This Textbook

Chapter 1 - Introduction And Basic ConceptsChapter 2 - Properties Of FluidsChapter 3 - Pressure And Fluid StaticsChapter 4 - Fluid KinematicsChapter 5 - Bernoulli And Energy EquationsChapter 6 - Momentum Analysis Of Flow SystemsChapter 7 - Dimensional Analysis And ModelingChapter 8 - Internal FlowChapter 9 - Differential Analysis Of Fluid FlowChapter 10 - Approximate Solutions Of The Navier–stokes Equation

## Sample Solutions for this Textbook

We offer sample solutions for Fluid Mechanics: Fundamentals and Applications homework problems. See examples below:

A fluid is substance which can flow under the action of the shear force. The examples of the fluid...What is the weight of a 1-kg substance in N, kN,kgms2 , kgf, Ibmft/s2 , and lbf?At 45° latitude: the gravitational acceleration as a function of elevation z above sea level is...Given information: The mass of a person is 65 kg. The gravitation constant function is given as....Table (1) shows the difference between the pound mass and pound force. kilopond (kgf)kilopound...What is the difference between intensive and extensive properties?ss S. No Specific gravity Specific weight 1It is defined as the ratio of density of the substance to...Given information: The water is heated from 60°F to 130°F at 1 atm. Write the expression for the...Given information: The water contains by a piston cylinder is 10 kg, the atmospheric temperature is...

Given information: The pressure of the air is 95 kPa, the initial temperature is 20°C, the final...A thin 30cm30cm flat plate is pulled at 3 m/s horizontally through a 3.6-mm-thick oil layer...Given information: The dynamic viscosity of oil at 20°C is (0.1 Pa⋅s) (0.1 Nsm2), dynamic viscosity...Given information: The moving velocity of the thin plate is 5 m/s, the distance between two...Given information: The diameter of glass tube is 0.018 in, the contact angle with the glass is 140°,...Given information: The pressure at a certain depth is 100 MPa, the average coefficient of...Given information: The diameter of cylindrical shaft is 10 cm, the length of shaft is 40 cm, the...Given information: The larger diameter of the bearing is 3.2 m, the smaller diameter of the bearing...Given information: The thickness of the fluid is h, the inner radius is R1, the outer radius is R2,...Given: The shear stress used for the Herschel-Bulkley constitute model is τ=τν+K( du dy)m, Yield...Given information: Dynamic viscosity is 0.0357 Pa⋅s, density of the fluid is 0.796 kg/m3, surface...What is the difference between gage pressure and absolute pressure?Given information: The internal diameter of the piston is 30 cm, and atmospheric pressure is 96 kPa....Given information: The density of seawater is 1035 kg/m3. The following figure represents freshwater...Given information: The density of seawater is 1035 kg/m3. The following figure represents freshwater...Given information: The change in pressure is 0.9 kpa and the drop in the right column in the brine...Given information: The following figure shows the arrangement of multifluid container connected to a...Given information: The pressure applied to the water by compressor are 0 bar, 5 bar, and 10 bar....Given information: A water trough of semicircular cross section of two symmetric parts hinged at...Given: In the following figure all the parameter is given. b Figure-(1) Write the expression for the...A long, solid cylinder of radius 2 ft hinged at point A is used as an automatic gate, as shown in...Given: Density of liquid is 850 kg/m3, the gate is parabolic. Draw the cross-sectional view of the...Given: Density of liquid varies from 800 kg/m3 to 900 kg/m3 and the gate is parabolic. Draw the...Given information: The weight of the gate is 100 N The below figure shows the force acting on the...Given information: The length of the gate is 0.6 m, the breadth of the gate is 0.9 m, the specific...Given information: The width of the gate is 3 m, the weight of the gate is 1000 N, the density of...Given information: The radius of quarter circle is 3 m, length of quarter circle is 4 m, and weigh...Given information: The rotational speed of the system is 10 rad/s, the height of water in the right...The radius of the semi-circular gate is 0.5 m, specific gravity of fluid in section 1 is 0.91,...An oil pipeline and a 1.3-m3 rigid air tank are connected to each other by a manometer, as shown in...In kinematics, we study the motion of a body and study of forces is not involved. Kinematics...Given information: Write the expression for the velocity field....Given information: The flow is symmetric about x axis. Write the expression for the two-dimensional...Given information: The fluid particle is located on the centre line. Write the expression for the...Given information: The general strain in y direction is ∂v∂y. Write the expression for the...Given information: Two-dimensional shear flow, flow is incompressible, the velocity field is...The shear strain rate is half of the rate of decrease of the angle between two perpendicular lines...The vector field of flow is V⇀=k(x2−y2)i⇀−2kxyj⇀ and the radius of curvature of streamline is R=[1+...The vector field of flow is V⇀=5x2i⇀−20xyj⇀+100tk⇀, and the position of particle is (1,3,3) at time...The given figure represents Poiseuille flow between two plates. Figure-(1) Write the expression for...Write the expression for the two dimensional Poiseuille flow. u=12μdPdx(y2−hy). Here, the distance...Given information: The velocity component along the x direction is...Given information: The flow is steady and two-dimensional. The velocity field in the xy -plane is...Given information: The velocity field is u=5y2, v=3x, w=0. Write the expression for the streamline...Write the equation for mass balance m˙in−m˙out= dmcvdt .......(I) Here, mass entering the control...Given information: The diameter of smaller the pipe is 8 cm, the diameter of the larger pipe is 16...Given information: The diameter of the orifice is 10 cm, the water level above from the outlet is...Given information: The inlet diameter of the venturimeter is 2.6 in, the diameter of the throat is...Given information: The cross sectional area at inlet is Ainlet, the cross sectional area at throat...Given information: The dimension of the bathroom is 2 m×3 m×3 m, the velocity of the air is 7 m/s,...Given information: The initial diameter of the pipe is 30 cm, the volume flow rate is 0.6 m3/s, the...Given information: The efficiency of the pump is 78 %, rated power is 5 kW, head required to develop...Given information: The efficiency of the pump is 78 %, rated power is 5 kW, head required to develop...Given information: The pressurized tank diameter is 2 m, the diameter of orifice is 10 cm, the...Given information: The input electric power is 18 kW, the density of oil is 860 kg/m3, the...Given information: The diameter of tube is 3 mm, the gap between plate is 1.5 mm, the diameter of...Given information: The gross head of plant is, volume flow rate is 4.6 m3/s,irreversible head loss...Given information: The volume flow rate of diffuser is 0.0250 m3/s, inlet diameter of diffuser is 6...Given information: The pressure at the entry is 230 kPa, pressure at the exit is 100 kPa, diameter...Express Newton’s second law of motion for rotating bodies. That can you say about the angular...Given information: The diameter of the pipe is 7 cm, the velocity of the water is 2 m/s and the...Given information: The volume flow rate of the water is 35 L/s, the discharge area for the smaller...Given information: The volume flow rate of the water is 60 L/s, the discharge area for the smaller...Given information: The volume flow rate is 0.16 m3/s,diameter of entry is 30 cm and diameter of exit...Given information: The volume flow rate is 10L/s, diameter of both jets is 1.2 cm,angle of nozzle...Given information: The volume flow rate is 10L/s, diameter of both jets is 1.2 cm, angle of nozzle...Given information: The total absolute pressure at flange 1 is 200 kPa, mass flow rate at flange 1 is...Given Information: The combined mass of the system is 150 kg and the velocity of flow through each...Given information: Length of sprinkler arm is 0.52 m, the vane angle is 0° and the flow rate is 75...Given information: The length of the slit is 1.2 m, width of the rectangular slit is 5 mm, water...Given information: The elbow is 90° vertically oriented, the mass flow rate is m˙, the radius of the...Dimension: Dimension is defined as the measure of degree of freedom in mathematics. It is defined as...Given information: The shaft power is W˙, the angular velocity is ω, the fluid density is ρ, the...Given information: The viscosity of the fluid is μ, the distance is y, the velocity of the fluid is...Given information: A homogenous wire with a mass per unit length is 0.056 kg/m. Write the expression...Given information: The number of variable parameters is 6. Expression for number of pi...The angular velocity is ω, the fluid density is ρ, the acceleration due to gravity id g, the radius...Expression for gravitational force,F=Gm1m2r2...... (I) Here, the gravitational constant is G, the...Given information: force pressure gradient =dPdxFlow : steady+ incomprssible down stream distance...In M-L-T system, force = mass×accelerationF = m × a{F} = {mass × meter sec 2}{F} = {M × L t 2}{F} =...Given Information: Top plate speed, Vtop Bottom plate speed, Vbottom Steady flow, incompressible, 2...Given: Acoustic power per unit area is called as the sound intensity which is releasing from any...Given Information: Sound pressure = pDensity =ρSound speed = cSound intencity = IDistance = r...Given: Drift velocity −ωParticle diameter −Dppositive charge to particles −qpelectric field strength...Given information: The following figure shows that two parallel flat plates. Figure-( 1) Assume, at...How is the hydrodynamic entry length defined for flow in a pipe? Is the entry length longer in...A horizontal pipe has an abrupt expansion from D1=5 cm to D2=10 cm. The water velocity in the...Given information: Reservoir is drained at 15 °C, length of first pipe is 13 m, diameter of first...Given information: The temperature of the water is 70 °F, density of the water is 62.3 lbm/ft3,...Given information: The air discharge rate is 1.2 ft3/s, diameter of the vent is 5 in, length of the...Given information: The temperature of oil is 20°C, the height of cylindrical reservoir is 20 cm, the...Given information: The temperature of the water is 110°C, density of the water is 950.6 kg/m3,...Given information: The temperature of the water is 110°C, density of the water is 950.6 kg/m3,...Given information: The density of the water is 1000 kg/m3, kinematic viscosity of the water is...Given Information: The diameter of the pipe is 6 cm, the length of the pipe is 33 m, the inlet...Given information: The average temperature of water flowing through the tubes is 60 °C, rate of flow...Given information: The temperature of the water is 15°C, the length of the first pipe is 20 m, the...Given information: The diameter of the cast iron pipe is 0.35 m and the length of the cast iron pipe...Given information: The diameter of tank 1 is 30 cm, diameter of tank 2 is 12 cm, diameter of orifice...Given information: The swimming pool diameter is 10 m, the swimming pool height is 2 m, the...Given information: The swimming pool diameter is 10 m, the swimming pool height is 2 m, the...Given information: The length of pipe is 28 m, the value of h1 is 1.8 m, the value of h2 is 12 m,...The following figure represents the branched pipes. Figure-(1) Write the expression for the area of...Explain the fundamental differences between a flow domain and a control volume.Given information: The vector is G→=4xzi→−y2j→+yzk→, the volume of the cube is V, and surface area...Given information: The incompressible flow filed for which the velocity u component is u=ax2−bxy,...Given information: The velocity component in θ direction is equal to 0. Write the expression for...Given information: The diameter at the entrance of the nozzle is 0.50 in, the diameter at exit of...Given information: The flow is steady, two-dimensional and incompressible. The velocity components...Given information: The flow is steady, laminar, two-dimensional and incompressible. The flow is...Given information: The flow is steady, laminar, two-dimensional and incompressible. The flow is...Consider a modified form of Couette flow in which there are two immiscible fluids sandwiched between...Given information: The following figure shows that two infinite plates. Figure-(1) At the point of...Given information: The diameter of the pipe is D, the radius of the pipe is R=D/2 and the pipe is...Given information: The assumptions made are stated below: The flow is parallel, steady, and laminar....Given Information: The pressure at the points 1 and 2 is same and equal to the atmospheric pressure...Non-dimensionalization of Navier-Stokes equation helps in obtaining approximate solutions. This can...Given information: Actual stokes law is FD=3πμDV+(9π/16)ρV2D2. Three aluminum balls of diameters 2...First, we need to use continuity equation for velocity component. From continuity equation, We have,...The boundary condition that can be applied on u(0, V) are First boundary condition: For all value of...Given: h0=sleeper pad=11000h1=final height of sleeper=12000 lenght=1.0 Concept Used: Convergence of...Given information: The distance from origin is r and angle of inclination between the radial vector...Given information: The density of fluid is 998.2 kg/m3, Dynamic viscosity of fluid is 1.003×10−3...Given information: The diameter of the wind tunnel is 30 cm and the length of the wind tunnel is 80...Given information: The side of the wind tunnel is 30 cm and the length of the wind tunnel is 80 cm...Given information: Write the expression for velocity profile if y<δ. u=Uyδ ...... (I) Here,...Given information: The radial velocity component is 0, angular velocity component is ωr and...Given information: Velocity component for radial direction. ur=0 Velocity component for angular...Write the expression for the velocity profile of sine wave. u(y)=Usin(πy2δ)........ (I) Write the...Given information: The density of air is 0.8588 kg/m3, the temperature of air is −50°C the pressure...Drag: The drag or drag force is defined as the force which is exerted by the flowing body on the...Given information: Frontal area=18 ft2 When sunroof is closed drag coefficient=0.32 When sunroof is...Given information: The mass of the truck is 6000 kg, the length of the truck is 10 m,the height of...Given information: Size of plate=2.5 m×5 m Atmospheric pressure=83.4 kPa Temperature=25∘C=298 K...Given information: The mass of the ball is 3.1 g and the diameter of the bass is 4.2 cm. Write the...Given information: Total mass=4,000 kg Wing area=40 m2 Lift coefficient=0.45 Concept used:...Given information: The height of the rectangular advertisement panel is 2 m, the width of the...Given information: The total mass of the airplane is 150000 lbm, the wing platform area is 1700 ft2,...Given information: Length=3 m Diameter=0.5 m Atmospheric pressure=87 kPa Temperature=20∘C=295 K...Given information: Mass of tractor=17,000 kg Frontal area=9.2 m2 Rolling resistance coefficient=0.05...Given information: Diameter=2 mm ρs=2600 kgm3ρf=1274 kgm3 Vexperimental=3.2 mms μ=1 kgm⋅s Concept...Given information: The diameter of the first aluminum ball is 2 mm, the diameter of the second...Given information: The diameter of the ball is 2 mm, the density of the ball is 2700 kg/m3, the...When temperature rise attains the place where the gas is brought to rest adiabatically is called...Given: Air pressure, air temperature and Mach number are 14 psia, 40°F and 2 respectively. Flow...Given: The upstream the shock is given by, Pressure of air P1=58kPa Temperature of air T1=270K Mach...Given: The properties of air are: k = 1.4R = 0.287 kJ/kg·K,cp = 1.005 kJ/kg·K The properties of...Given: The properties of air to be, k = 1.4 cp = 1.005 kJ/kg.K R = 0.287 kJ/kg.K. Ma1=2.8...Given: Temperature T1 = 480R Velocity V1=100 m/s Pressure P1=8 psia Mach number Ma1=2.0 Force...Given: Stagnation Temperature T1= 740 R Stagnation Pressure P1=220 psia Exit pressure at nozzle is...Given: Ambient temperature at inlet T1= 500 K Stagnation Pressure P01=P1=220 psia Exit pressure P2 =...Given: The properties of air: R =0.280 kJ/kg.K cp=1.005 kJ/kg.K k=1.33 Inlet Temperature T1=510K...Given: Mach number k=1.2,1.4 and 1.6 range of 0≤Ma≤1. Calculation: Equation is given by m. R T 0...Open channel flow is derived by gravitational force. Potential head gives kinetic energy to the...Given Information: The water flow rate is 10 m3/s and the bottom slope is 0.0015 Write the...Given Information: The figure below represents the cross -section of three channels. Figure-(1) The...Given Information: The figure below shows the cross -section of the channel. Figure-(1) The bottom...Given information: The channel is made of unfinished concrete, the bottom angle of trapezoidal...Given Information: The flow depth after the jump is 3.3 m and the flow depth before the jump is 1.1...Given information: Velocity of water flow is 10 m/s, the flow depth is 0.65 m, the bump height is 30...Given Information: The flow depth of upstream weir is 5 ft and the height of the gate opening is 1.1...Given information: The flow depth before the jump is 0.7 m, the flow depth after the jump is 5 m,...Given information: The channel angle is 0.5°. Write the expression for flow rate using manning's...Given Information: The height for the sluice gate is 50 cm and the flow depth for upstream is 2.8 m....Given information: Water is flowing through a sluice gate, the velocity of water before reaching the...Given information: Water is flowing through a sluice gate, the velocity of water before reaching the...Given information: The depth of the lack is 5 m, the bottom slop is 0.004, high opening depth is 0.7...Given information: The height of bump is 20 cm, initial velocity of flow is 1.25 m/s, the flow depth...Given Information: The water flow rate range is 10 m3/s to 15 m3/s, the width of the weir is 5 m,...The most common term used for energy producing turbo machinery is Turbine. Turbine is a mechanical...Given information: The shutoff head is 125 ft, the coefficient ais 2.50 ft/(gpm)2, the elevation...Given information: The shutoff head is 125 ft, the coefficient ais 2.50 ft/(gpm)2, the elevation...Given information: The diameter of pipe is 2.03 cm, elevation difference is 4.85 m, total length of...Given information: Table-(1) represents the volume flow rate, height and power of pump. V˙ gpmH...Given Information: The inner diameter of the duct is 9.06 in, the average roughness of the duct is...Given information: Inner diameter of the duct is 9.06 in, the average roughness of the duct is...Given Information: Inner diameter of the duct is 9.06 in, the average roughness of the duct is...Given information: The temperature of the water is 25°C, the elevation difference is 2.2 m, the...Given information: The pipe diameter is increased by the factor two. Write the expression for the...Given information: The number of rotations of centrifugal pump is 750 rpm. The inlet radius is 12 cm...Given information: The number of rotations of centrifugal pump is 750 rpm. The inlet radius is 12 cm...Given information: The diameter of the turbine A is 1.50 mand the number of rotation for the turbine...Given information: The diameter of the turbine A is 1.50 mand the number of rotation for the turbine...According to the data given in question for an incompressible Newtonian laminar flow fluid with no...

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Fluid Mechanics Fundamentals And Applications

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