TRICHY MECHANICAL 3RD SEM SYLLABUS

ANNA UNIVERSITY TIRUCHIRAPPALLI TIRUCHIRAPPALLI - 620 024 Regulations 2008
Curriculum B.E. MECHANICAL ENGINEERING SEMESTER III
S.No. Subject Code Subject L T P C
Theory
1 Transforms and Partial Differential Equations 3 1 0 4
2 Manufacturing Technology I 3 0 0 3
3 Engineering Thermodynamics 3 1 0 4
4 Kinematics of Machinery 3 1 0 4
5 Fluid Mechanics and Machinery 3 1 0 4
6 Electrical Drives and Control 3 0 0 3
Practical
7 Manufacturing Technology Laboratory I 0 0 3 2
8 Fluid Mechanics and Machinery Laboratory 0 0 3 2
9 Electrical Engineering Laboratory 0 0 3 2
Total 28
ANNA UNIVERSITY TIRUCHIRAPPALLI TIRUCHIRAPPALLI - 620 024 Regulations 2008
Curriculum
B.E. MECHANICAL ENGINEERING SEMESTER III
TRANSFORMS AND PARTIAL DIFFERENTIAL EQUATIONS
(Common to all branches)
LT PC 3 10 4
UNIT I FOURIER SERIES 9
Dirichlet's conditions - General Fourier series - Odd and even functions - Half range sine series -Half range cosine series - Complex form of Fourier Series - Parseval's identity - Harmonic Analysis.
UNIT II FOURIER TRANSFORMS 9
Fourier integral theorem (without proof) - Fourier transform pair - Sine and Cosine transforms - Properties - Transforms of simple functions - Convolution theorem - Parseval's identity.
UNIT III PARTIAL DIFFERENTIAL EQUATIONS 9
Formation of partial differential equations - Lagrange's linear equation - Solutions of standard types of first order partial differential equations - Linear partial differential equations of second and higher order with constant coefficients.
UNIT IV APPLICATIONS OF PARTIAL DIFFERENTIAL EQUATIONS 9
Solutions of one dimensional wave equation - One dimensional equation of heat conduction - Steady state solution of two-dimensional equation of heat conduction (Insulated edges excluded) - Fourier series solutions in Cartesian coordinates.
UNIT V Z -TRANSFORMS AND DIFFERENCE EQUATIONS 9
Z-transforms - Elementary properties - Inverse Z-transform - Convolution theorem - Formation of difference equations - Solution of difference equations using Z-transform
L: 45 T: 15 Total: 60
TEXT BOOK
1. Grewal, B.S, "Higher Engineering Mathematics", 40th Edition, Khanna publishers, 2007.
REFERENCES
1. Bali.N.P and Manish Goyal, "A Textbook of Engineering Mathematics", 7th Edition, Laxmi Publications(P) Ltd., 2007.
2. Ramana.B.V., "Higher Engineering Mathematics", Tata Mc-GrawHill Publishing Company
limited, 2007.
3. Glyn James, "Advanced Modern Engineering Mathematics", 3rd Edition, Pearson Education,
2007.
4. Erwin Kreyszig, "Advanced Engineering Mathematics" 8th Edition, Wiley India, 2007.
MANUFACTURING TECHNOLOGY I
LT PC 3 0 0 3
UNIT I METAL CASTING PROCESSES 9
Sand casting - Sand moulds - Type of patterns - Pattern materials - Pattern allowances - Types of Moulding sand - Properties - Core making - Methods of Sand testing - Moulding machines - Types of moulding machines - Melting furnaces - Working principle of Special casting processes - Shell -investment casting - Ceramic mould - Lost Wax process - Pressure die casting - Centrifugal casting -CO2 process - Sand Casting defects.
UNIT II JOINING PROCESSES 9
Fusion welding processes - Types of Gas welding - Equipments used - Flame characteristics - Filler and Flux materials - Arc welding equipments - Electrodes - Coating and specifications - Principles of Resistance welding - Spot/butt - Seam - Projection welding - Percusion welding - GS metal arc welding - Flux cored - Submerged arc welding - Electro slag welding - TIG welding - Principle and application of special welding processes - Plasma arc welding - Thermit welding - Electron beam welding - Friction welding - Diffusion welding - Weld defects - Brazing - Soldering process -Methods and process capabilities - Filler materials and fluxes - Types of Adhesive bonding.
UNIT III BULK DEFORMATION PROCESSES 9
Hot working and cold working of metals - Forging processes - Open impression and closed die forging - Characteristics of the process - Types of Forging Machines - Typical forging operations -Rolling of metals - Types of Rolling mills - Flat strip rolling - Shape rolling operations - Defects in rolled parts - Principle of rod and wire drawing - Tube drawing - Principles of Extrusion - Types of Extrusion - Hot and Cold extrusion - Equipments used.
UNIT IV SHEET METAL PROCESSES 9
Sheet metal characteristics - Typical shearing operations - Bending - Drawing operations - Stretch forming operations -- Formability of sheet metal - Test methods - Working principle and application of special forming processes - Hydro forming - Rubber pad forming - Metal spinning - Introduction to Explosive forming - Magnetic pulse forming - Peen forming - Super plastic forming.
UNIT V MANUFACTURING OF PLASTIC COMPONENTS 9
Types of plastics - Characteristics of the forming and shaping processes - Moulding of Thermoplastics - Working principles and typical applications of - Injection moulding - Plunger and screw machines - Compression moulding - Transfer moulding - Typical industrial applications -Introduction to Blow moulding - Rotational moulding - Film blowing - Extrusion - Thermoforming -Bonding of Thermoplastics.
Total: 45
TEXT BOOKS
1. Hajra Choudhury, "Elements of Workshop Technology, Vol. I and II", Media Promotors Pvt
Ltd., 2001
2. S.Gowri, P.Hariharan, and A.Suresh Babu, "Manufacturing Technology I", Pearson Education,
2008.
REFERENCES
1. B.S. Magendran Parashar & R.K. Mittal, "Elements of Manufacturing Processes", Prentice
Hall of India, 2003.
2. P.N. Rao, "Manufacturing Technology", 2nd Edition, Tata McGraw-Hill Publishing Limited, 2002.
3. P.C. Sharma, "A Text Book of Production Technology", 4th Edition, S. Chand and Company,
2003.
ENGINEERING THERMODYNAMICS
(Common to Mechanical and Automobile)
LT PC 3 10 4
UNIT I BASIC CONCEPTS AND FIRST LAW 9
Concept of continuum - macroscopic approach - Thermodynamic systems - closed -open - isolated -Thermodynamic Property - state - path and process - quasi-static process - work -modes of work -Zeroth law of thermodynamics - concept of temperature and heat - Concept of ideal and real gases -First law of thermodynamics - application to closed and open systems - internal energy - specific heat capacities - enthalpy - steady flow process with reference to various thermal equipments
UNIT II SECOND LAW 9
Second law of thermodynamics - Kelvin's and Clausius statements of second law - Reversibility and irreversibility - Carnot theorem - Carnot cycle - Reversed carnot cycle - efficiency - COP -Thermodynamic temperature scale - Clausius inequality - concept of entropy - entropy of ideal gas -principle of increase of entropy - availability.
UNIT III PROPERTIES OF PURE SUBSTANCE AND STEAM POWER CYCLE
9
Properties of pure substances - Thermodynamic properties of pure substances in solid, liquid and vapour phases - phase rule - P-V - P-T - T-V - T-S - H-S diagrams - PVT surfaces -thermodynamic properties of steam - Calculations of work done - heat transfer in non-flow - flow processes - Standard Rankine cycle - Reheat and regenerative cycle.
UNIT IV IDEAL AND REAL GASES AND THERMODYNAMIC RELATIONS
9
Gas mixtures - Properties ideal and real gases - Equations of state - Avagadro's Law - Vander Waal's equation of state - compressability factor - compressability chart - Dalton's law of partial pressure - exact differentials - T-D relations - Maxwell's relations - Clausius Clapeyron equations -Joule -Thomson coefficient
UNIT V PSYCHROMETRY 9
Psychrometry and psychrometric charts - property calculations of air vapour mixtures - Psychrometric process - Sensible heat exchange processes - Latent heat exchange processes - Adiabatic mixing -evaporative cooling
L: 45 T: 15 Total: 60
(Standard thermodynamic tables, Mollier diagram, Psychrometric chart and Refrigerant property tables may be used)
TEXT BOOKS
1. Nag.P.K., "Engineering Thermodynamics", Tata McGraw-Hill, 1998.
2. Cengel, 'Thermodynamics - An Engineering Approach", 3rd Edition, Tata McGraw Hill, 2003
REFERENCES
1. Holman.J.P., "Thermodynamics", 3rd Edition, McGraw-Hill, 1995.
2. Venwylen and Sontag, "Classical Thermodynamics", Wiley Eastern, 1987
3. Arora C.P, "Thermodynamics", Tata McGraw-Hill, 2003.
KINEMATICS OF MACHINERY
LT PC 3 10 4
UNIT I BASICS OF MECHANISMS 7
Definitions - Link - Kinematic pair - Kinematic chain - Mechanism - Machine - Degree of Freedom
- Mobility - Kutzbach criterion (Gruebler's equation) - Grashoffs law - Kinematic Inversions of four-bar chain and slider crank chain - Mechanical Advantage - Transmission angle
Description of common Mechanisms - Offset slider mechanism as quick return mechanisms -Pantograph - Straight line generators (Peaucellier and Watt mechanisms) - Steering gear for automobile - Hooke's joint - Toggle mechanism - Ratchets - Escapements - Indexing Mechanisms
UNIT II KINEMATIC ANALYSIS 10
Analysis of simple mechanisms (Single slider crank mechanism and four bar mechanism) - Graphical Methods for displacement - Velocity and Acceleration - Shaping machine mechanism - Coincident points - Coriolis acceleration - Analytical method of analysis of slider crank mechanism and four bar mechanism - Approximate analytical expression for displacement, velocity and acceleration of piston of reciprocating engine mechanism.
UNIT III KINEMATICS OF CAMS 8
Classifications - Displacement diagrams - Parabolic, Simple harmonic and Cycloidal motions -Graphical construction of displacement diagrams and layout of plate cam profiles - Circular arc and tangent cams - Pressure angle and undercutting.
UNIT IV GEARS 10
Classification of gears - Gear tooth terminology - Fundamental law of toothed gearing and involute gearing - Length of path of contact and contact ratio - Interference and undercutting - Gear trains -Simple - Compound - Epicyclic gear trains - Differentials.
UNIT V FRICTION 10
Dry friction - Friction in screw jack - Pivot and collar friction - Plate clutches - Belt and rope drives
- Block brakes - Band brakes
L: 45 T: 15 Total: 60
TEXT BOOKS
1. Ambekar A. G., "Mechanism and Machine Theory", Prentice Hall of India, 2007.
2. Uicker J.J.,Pennock G.R., Shigley J.E., "Theory of Machines and Mechanisms"(Indian Edition), Oxford University Press, 2003.
REFERENCES
1. Thomas Bevan, "Theory of Machines", CBS Publishers and Distributors, 1984.
2. Ramamurti,V.,' Mechanism and Machine Theory", 2nd Edition, Narosa Publishing House,
2005.
3. Ghosh A and A.K.Mallick, "Theory of Mechanisms and Machines", Affiliated East-West Pvt.
Ltd., 1998.
BIS Codes of Practice/Useful Websites
1. IS 2458 : 2001, Vocabulary of Gear Terms - Definitions Related to Geometry
2. IS 2467 : 2002 (ISO 701: 1998), International Gear Notation - Symbols for Geometric Data.
3. IS 5267 : 2002 Vocabulary of Gear Terms - Definitions Related to Worm Gear Geometry.
4. IS 5037 : Part 1 : 2004, Straight Bevel Gears for General Engineering and Heavy Engineering - Part 1: Basic Rack.
5. IS 5037 : Part 2 : 2004, Straight Bevel Gears for General
Engineering and Heavy Engineering - Part 2: Module and Diametral Pitches.
Web site: www.howstuffworks.com
FLUID MECHANICS AND MACHINERY
(Common to Mechanical, Automobile, Aeronautical and Production)
LT PC 3 10 4
UNIT I INTRODUCTION 9
Units & Dimensions - Properties of fluids - Specific gravity - Specific weight - Viscosity -Compressibility - Vapour pressure and gas laws - Capillarity and surface tension - Flow characteristics: concepts of system and control volume - Application of control volume to continuity equation - Energy equation - Momentum equation - Moment of momentum equation
UNIT II FLOW THROUGH CIRCULAR CONDUITS 9
Laminar flow through circular conduits and circular annuli - Boundary layer concepts - Boundary layer thickness - Hydraulic and energy gradient - Darcy - Weisbach equation - Friction factor and Moody diagram - Commercial pipes - Minor losses - Flow though pipes in series and in parallel
UNIT III DIMENSIONAL ANALYSIS 9
Dimension and units: Buckingham's n theorem - Discussion on dimensionless parameters - Models and similitude - Applications of dimensionless parameters
UNIT IV ROTO DYNAMIC MACHINES 9
Homologues units - Specific speed - Elementary cascade theory - Theory of turbo machines - Euler's equation - Hydraulic efficiency - Velocity components at the entry and exit of the rotor - Velocity triangle for single stage radial flow and axial flow machines - Centrifugal pumps - Turbines -Performance curves for pumps and turbines
UNIT V POSITIVE DISPLACEMENT MACHINES 9
Reciprocating pumps - Indicator diagrams - Work saved by air vessels - Rotary pumps -Classification - Working and performance curves
L: 45 T: 15 Total: 60
TEXT BOOKS
1. Streeter. V. L., and Wylie, E.B., "Fluid Mechanics", McGraw Hill, 1983.
2. Radhakrishnan. E, "Fluid Mechanics", 2nd Edition, Prentice Hall of India, 2007.
REFERENCES
1. Ramamritham. S, "Fluid Mechanics, Hydraulics and Fluid Machines", Dhanpat Rai & Sons,
1988.
2. Kumar. K.L., "Engineering Fluid Mechanics", 7th Edition, Eurasia Publishing House (P) Ltd., 1995.
3. Bansal, R.K., "Fluid Mechanics and Hydraulics Machines", Laxmi Publications (P) Ltd., 2007.
ELECTRICAL DRIVES AND CONTROLS
(Common to Mechanical, Production and Petrochemical technology)
LT PC
3 0 0 3
UNIT I INTRODUCTION 9
Basic Elements - Types of Electric Drives - factors influencing the choice of electrical drives -Heating and cooling curves - Loading conditions and classes of duty - Selection of power rating for drive motors with regard to thermal overloading and Load variation factors
UNIT II MOTOR CHARACTERISTICS 9
Mechanical characteristics - Speed -Torque characteristics of various types of load and drive motors -Braking of Electrical motors - DC motors - Shunt - Series - Compound - Single phase and three phase induction motors
UNIT III STARTING METHODS 9
Types of D.C Motor starters - Typical control circuits for shunt and series motors - Three phase squirrel cage and slip ring induction motors
UNIT IV CONVENTIONAL AND SOLID STATE SPEED CONTROL OF D.C. DRIVES 9
Speed control of DC series and shunt motors - Armature and field control, Ward-Leonard control system - Using controlled rectifiers and DC choppers -applications.
UNIT V CONVENTIONAL AND SOLID STATE SPEED CONTROL OF A.C. DRIVES 9
Speed control of three phase induction motor - Voltage control, voltage / frequency control, slip power recovery scheme - Using inverters and AC voltage regulators - applications.
Total: 45
TEXT BOOKS
1. Vedam Subramaniam, "Electric Drives (Concepts and Applications)", Tata McGraw-Hill,
2001
2. Nagrath.IJ. & Kothari.D.P, "Electrical Machines", Tata McGraw-Hill, 1998
REFERENCES
1. Pillai.S.K "A First Course on Electric Drives", Wiley Eastern Limited, 1998
2. M.D.Singh, K.B.Khanchandani, "Power Electronics", Tata McGraw-Hill, 1998 3 H.Partab, "Art and Science Utilisation of Electrical Energy", Dhanpat Rai and Sons, 1994
UNIT I
1.1. 1.2. 1.3. 1.4.
UNIT II
2.1. 2.2. 2.3.
UNIT III
3.1. 3.2.
UNIT IV
4.1. 4.2. 4.3.
UNIT V
5.1
MANUFACTURING TECHNOLOGY LABORATORY I
LATHE
Facing, plain turning and step turning Taper turning using compound rest, Tailstock set over, etc Single and Multi-start V thread, cutting and knurling Boring and internal thread cutting.
WELDING EXCERCISES
Horizontal, Vertical and Overhead welding.
Gas Cutting, Gas Welding
Brazing - for demonstration purpose
SHEET METAL WORK
Fabrication of sheet metal tray Fabrication of a funnel
PREPARATION OF SAND MOULD
Mould with solid, split patterns Mould with loose-piece pattern Mould with Core
PLASTIC MOULDING
Injection Moulding- for demonstration purpose
LT PC 0 0 3 2
Total Number of Periods: 45
LIST OF EQUIPMENTS
1.
Centre Lathe with accessories 15
2.
Welding
Arc welding machine Gas welding machine Brazing machine
2.1 2.2 2.3
04 01 01
3.
Sheet Metal Work facility
Hand Shear 300mm Bench vice
Standard tools and calipers for sheet metal work
Sand moulding Facility
Moulding Table
Moulding boxes, tools and patterns
Plastic Moulding
Injection Moulding Machine
3.1 3.2 3.3
4
4.1 4.2
5
5.1
01 05 05
05 05
01
FLUID MECHANICS AND MACHINERY LABORATORY
(Common to Mechanical, Production, Aeronautical and Automobile)
LT PC 0 0 3 2
LIST OF EXPERIMENTS
1. Determination of the Coefficient of discharge of given Orifice meter.
2. Determination of the Coefficient of discharge of given Venturi meter.
3. Calculation of the rate of flow using Rotameter.
4. Determination of friction factor for a given set of pipes.
5. Conducting experiments and drawing the characteristic curves of Centrifugal pump / Submergible pump
6. Conducting experiments and drawing the characteristic curves of reciprocating pump.
7. Conducting experiments and drawing the characteristic curves of Gear pump.
8. Conducting experiments and drawing the characteristic curves of Pelton wheel.
9. Conducting experiments and drawing the characteristics curves of Francis turbine.
10. Conducting experiments and drawing the characteristic curves of Kaplan turbine.
LIST OF EQUIPMENTS
(for a batch of 30 students)
1. Orifice meter setup
2. Venturi meter setup
3. Rotameter setup
4. Pipe Flow analysis setup
5. Centrifugal pump/submergible pump setup
6. Reciprocating pump setup
7. Gear pump setup
8. Pelton wheel setup
9. Francis turbine setup
10. Kaplan turbine setup
Quantity: one each.
Total Number of Periods: 45
ELECTRICAL ENGINEERING LABORATORY
(Common to Mechanical and Production)
LT PC 0 0 3 2
LIST OF EXPERIMENTS
1. Load test on DC Shunt & DC Series motor
2. O.C.C & Load characteristics of DC Shunt and DC Series generator
3. Speed control of DC shunt motor (Armature, Field control)
4. Load test on single phase transformer
5. O.C & S.C Test on a single phase transformer
6. Regulation of an alternator by EMF & MMF methods.
7. V curves and inverted V curves of synchronous Motor
8. Load test on three phase squirrel cage Induction motor
9. Speed control of three phase slip ring Induction Motor
10. Load test on single phase Induction Motor.
11. Study of DC & AC Starters
LIST OF EQUIPMENTS
(for batch of 30 students)
Equipment No.
1. DC Shunt motor - 2
2. DC Series motor - 1
3. DC shunt motor-DC Shunt Generator set - 1
4. DC Shunt motor-DC Series Generator set - 1
5. Single phase transformer - 2
6. Three phase alternator - 2
7. Three phase synchronous motor - 1
8. Three phase Squirrel cage Induction motor - 1
9. Three phase Slip ring Induction motor - 1
10. Single phase Induction motor - 1
Total Number of Periods: 45