es321-ie421fluidmechanics

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ENGINEERING AND RELATED TECHNOLOGY DEPARTMENTNotre Dame of Dadiangas College

General Santos City

Edition Date: Second Semester, SY 2004-2005

Course Title : FLUID MECHANICS

Catalogue Number : : ES 321 / IE 421Credit : 3 units (2 units lecture/1 unit laboratory)

Number of hours : 40 hours lecture/48 hours laboratoryPre-requisite : ES 311

COURSE DESCRIPTION:

This course presents the principles of Fluid Mechanics and the application of these principles to practical, applied problems. Emphasis is given to fluid properties, the measurement of pressure, density, viscosity, and flow, flufluids in pipes and noncircular conduits.

GENERAL OBJECTIVES:

At the end of the course, the students should be able to:1. Know the properties of fluids and understand their effect on structures subjected to pressure.2. Know the different methods and procedures of measuring flow of fluids;3. Understand the basic concepts of fluid mechanics;4. Recognize the logical approach to problem solutions;5. Design practical, efficient fluid systems;6. Critique the design of a given system and recommend improvements.


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Topics/Sub-topics/Time Frame

Specific Objectives Teaching Strategies Evaluation Values Integrated Materials/Resources Needed

References

Chapter 1:FUNDAMENTALPROPERTIES OFFLUIDS(1st 2nd weeks: 10hours)

1. Fluid Definition2 . D if fe re nce

between liquidsand gases

3. Force and Mass4. Units and

Dimensions5. Pressur e

Definition6. Propert ies o f

Fluids

At the end of thischapter, the studentsshould be able to:

1 . Def in e imp or ta ntterms related tofluid properties.

2 . Dif fe rent ia tebetween a fluidand a gas.

3. Identify therelationshipsbetween specificweight, specificgravity anddensity.

4 . Demonstra te sel f-reliance by solvingindependentlyproblems relatedto properties offluids.

1. Lecture2. Research work on fluid

properties3. Individual activity on

surface tension4. Laboratory Exercise

(specific gravitydetermination, unitweight determination,determination ofviscosity by falling ball)

1. Quiz2 . Bo ard work3. Problem sets4. Graded Laboratory

Reports

1. 2. Handouts3 . Blackb oard

Evett and Liu, Fluid Mechanics.Pages 1 24.

Mott, Robert, Applied Fluid Mechanics 5 th edpages 1 17.

Roberson and Crowe, Engineering Fluid MecPages 2 3.

Douglas, JF, Solving Problems in Fluid MechPages 1 8.


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Chapter 2:PRINCIPLES

OF HYDROSTATICPRESSURE(3rd 4th weeks: 10hours)

1. Unit Pressure2. Pasca ls Law3. Varia tion o f

pressure with

depth in a fluid4. Pressure head,

vapor pressure5. F lu id Pressure

Measurements6. Measurement o f

pressuredifference

At the end of thischapter, the studentsshould be able to:

1. Pr ove t hat theinten si ty o f pressure at apoint in a fluidacts in alldirectionsequally.

2. Explain themode of operations onthe d if fe rentpressuremeasurementdevices.

3 . Dif fe rent ia teatmospheric,absolute andgage pressures.

1. Lecture2. Group activity (problem

solving and the solutionis to be presented byone of them members)

3 . L ab oratory Exe rc ise( Manometer andPressure Difference)

1. Seatwor k2 . Bo ard work3. Problem sets4. Graded Laboratory

Reports

1. 2. Handouts3 . Blac kb oa rd

Evett and Liu, Fluid Mechanics. pages 25 5


Roberson and Crowe, Engineering Fluid Mecpages 32 46.

Douglas, JF, Solving Problems in Fluid Mechpages 9 22.

Simon, Andrew L. Basic Hydraulics. pages 2

Vennard and Street. Elementary Fluid Mechaedition.

pages 36 52.


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Chapter 3:FLUID

PRESSURE ONSURFACES ( 5th 6thweeks: 10 hours)1. Total pressure and

resultant force2. Pressure on plane

surfaces3. Graphical method

of calculatinghydrostaticpressure

4. Resultant fluid forceon inclined planesurfaces

5. Horizonta l andvertical componentsof total hydrostaticpressure onsurfaces

6. Pressure on curvedsurfaces

7. Hoop Tension incircular pipes andtanks

At the end of thischapter, the studentsshould be able to:1. Define the center of

pressur e of asurface of arbitraryshape.

2 . Gra ph the v aluesand locat ion o f hydrostatic forces.

3 . Use p re ssu re a ndmoment of arearelationships tocalculate the forceand line of application of animmersed surface.

4 . Demonstra te that abody totallyimmersed in a fluidwill suffer no netaccelerating forcedue to the surfacepressuredistribution.

1. Lect ure2. Fish bowl technique ( set

o f prob le ms wi ll b eprepared and students willrandomly pick a question,which they will answer onthe board, while the rest ofthe class will try to critiquewhether their work iscorrect or not.)

1. Quiz2. Board work3. Problem set

1. 2. Handouts3 . Blac kb oa rd

Evett and Liu, Fluid Mechanics. pages 53 7-107.


Roberson and Crowe, Engineering Fluid Mecpages 47 56.

White, Frank, Fluid Mechanics 4th edition. pa

81.

Douglas, JF, Solving Problems in Fluid Mechpages 28 - 44.


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Chapter 4:BUOYANCY

AND STABILITY OFFLOATING BODIES(7th 8th weeks: 10hours)1. Princ ip le o f

Archimedes2. Stabi li ty o f

completely

submerged bodies3. Stability of floatingbodies

4. Degree of Stability5. Determination of

metacentric heightand rightingmoment.

At the end of thischapter, the studentsshould be able to:1. State the law of

Archimedes and itsa pp li ca tion tofloating bodies.

2. Apply the concept ofmetacentric heightto a displaced body

to determine itscondition of equilibrium.

3. Explain thecondition for stabilityo f f loat ing andsubmerged bodies.

1 . Lec ture (Before thistopic, the students willbe assigned to bringphotos of floating andsubmerged bodies,which the y wi llpresent to the class.After the presentationof the topic, they willexplain the effect of

buoyancy on theobjects.)2. Seatwork/drill3 . Laboratory Exerc ise

(Determination ofDensity by buoyancyand Determination ofMetacentric Height)

1. Quiz2 . As sign me nt3 . Prob le m se t4. Graded Laboratory

reports

1. 2. Handouts3 . Blackb oard4. Overhead

projector

Evett and Liu, Fluid Mechanics. pages 108 -

Douglas, JF, Solving Problems in Fluid Mepages 51 73 .

Mott, Robert, Applied Fluid Mechanics 5th

pages 115 142.

White, Frank, Fluid Mechanics 4th edition. p 88..

9th Week MID TERM EXAM

Chapter 5: RELATIVEEQUILIBRIUM OF LIQUIDS(10th 11th weeks: 10 hours)

1. Relative equilibrium of liquids2. Vessel moving with constant

linear acceleration3. Vessel rotating about a vertical

axis4. Forces developed in a closed

container

At the end of this chapter, the students should be able to:1. Identify the different cases of liquid under linear

and rotational displacement.2. Compute the forces developed by liquid masses

when liquid is accelerated inside a vessel.3 . Determine the forces developed by l iquid

subjected to rotation inside the vessel.

1. Lecture2. Seatwork/drill

1. Quiz2 . P ro blem se t

1. 2. Handouts3 . B lac kbo ard4. Overhead

Projector

Potter, Merle eMechanics of 2nd edition. pa70.

Douglas, JF, SProblems in F

Mechanics. pa 80.

Chapter 6: FLOW OF FLUID(12th 13th weeks: 10 hours)

1. Fluid flow rate and thecontinuity equation

2. Commercially available pipeand tubing

3. Recommended velocity of flowin pipe and tubing

4. Flow in non-circular section5. Conservation of Energy -

Bernoullis Equation6. Tanks, Reservoirs, and

Nozzles exposed to

atmosphere7. Venturi meter and other

closed system with unknown

At the end of this chapter, the students should be able to:1. Define flow rate, weight flow rate, mass flow rate and

other important terms related to flow of fluid.2. Apply the continuity equation to relate the volume flow

rate, area and velocity of flow between two points in agiven fluid flow system.

3. Describe the four types of commercially available pipeand tubing.

4. Specify the desired size of a pipe or tubing to carry agiven flow rate of fluid at a specified velocity.

5. Apply Bernoullis equation to fluid flow system.6. Apply Torricellis theorem to compute the flow rate of

fluid from a tank and the time required to empty a

tank.

1 . Ca mpu s tour ( th eclas s w il l t our around the campusan d l is t a ll t hedifferent types ofpipes seen in thecampus and notetheir location andidentify thematerials which thepipes are made of.)


4. Laboratory Exercise(Determination ofCo ef fi cien t o f

1. Quiz2. Board

work3. Graded

LaboratoryReport

1. 2. Handouts3 . B lac kbo ard

Mott, Robert, AFluid MechaniPages 145 1


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velocities8. Torricellis Theorem9. Flow due to a falling head

Venturi meter)

Chapter 7: GENERAL ENERGYEQUATION (14th week: 5 hours)

1. Energy losses and additions2. General Energy equation3. Power required by pumps

4. Power delivered to fluid motors

At the end of this chapter, the students should be able to:1. Identify conditions under which energy losses occur in

fluid flow system.2. Identify means by which energy can be added to a

fluid flow system.

3. Expand Bernoullis equation to form the generalenergy equation by considering energy losses, energyaddition, and energy removal.


1. Quiz2 . Board work

1. 2. Handouts3 . B lac kbo ard

Mott, Robert, AFluid MechaniPages 191 2

Chapter 8:REYNOLDS

NUMBER, LAMINAR FLOWAND TURBULENT FLOW(15th 16th weeks: 10hours)

1. Reynolds Number2. Critical Reynolds Number3. Velocity Profiles4. Hydraulic radius for non-

circular cross sections5. Reynolds number for closed

non-circular cross sections.

At the end of this chapter, the students should be able to:1. Describe the appearance of laminar and turbulent

flows2. State the relationship used to compute Reynolds

number3. Compute the Reynolds Number for flow in non-circular

flow paths.

1. Lecture2. Seatwork/drill3. Laboratory Exercise

(Reynolds Number)

1. Quiz2 . Board work3 . P ro blem se t4. Graded

LaboratoryReport

1. 2. Handouts3 . B la ck bo ard4. Overhead Projector

Mott, Robert, AFluid Mechani221 238.

17th week: Final Examination

List of Laboratory Exercises

1. Density Determination by Volumetric Method2. Determination of viscosity of liquid by falling sphere method3. Determination of Specific Gravity by U-tube manometer4. Determination of Density of solid body by buoyancy5. Determination of Metacaentric height of a floating body6. Determination of Difference in pressure between two pipes7. Determination of Coefficient of venturi meter

BIBLIOGRAPHY

Mott, Robert, Applied Fluid Mechanics 5th edition. New Jersey: Prentice-Hall, Inc, 2000.

Evett and Liu, Fundamentals of Fluid Mechanics. New York: Mc Graw-Hill, 1987.


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Roberson and Crow, Engineering Fluid Mechanics. New York: John Wiley and Sons, 1995.

Douglas, JF, Solving Problems in Fluid Mechanics Volume 1. England:Addison Wesley Longman Limited, 1996.

Vennard and Street, Elementary Fluid Mechanics 5th edition. New York: John Wiley and Sons, 1982.

White, Frank, Fluid Mechanics 4th eidtion. Boston: Mc Graw-Hill Int., 1999.

Potter, Merle, Mechanics of Fluid Mechanics 2nd edition. Prentice-Hall, Int. 1997.

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es321-ie421fluidmechanics

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