ASSAM SCIENCE AND TECHNOLOGY UNIVERSITY Guwahati … SEM ME.pdf · ASSAM SCIENCE AND TECHNOLOGY...

ASSAM SCIENCE AND TECHNOLOGY UNIVERSITY

ASSAM SCIENCE AND TECHNOLOGY

UNIVERSITY

Guwahati

Course Structure and Syllabus

MECHANICAL ENGINEERING (ME)

Semester VI/ ME / B.TECH

Sl. No. Sub-Code Subject Hours per Week Credits

L T P C

Theory

1 ME131601 Heat Transfer-II 3 2 0 4

2 ME131602 Metrology and Instrumentation 3 2 0 4

3 ME131603 Power Plant Engineering 3 0 0 3

4 ME131604 Machine Design 3 2 0 4

5 ME131605 Machine Tools and Machining 3 2 0 4

6 ME131606 Gas Turbines and Jet Propulsion 3 0 0 3

Practical

7 ME131612 Metrology and Instrumentation

Lab 0 0 2 1

8 ME131614 Machine Design/CAD Lab 0 0 2 1

9 ME131615 Machine Tools and Machining

Lab 0 0 2 1

TOTAL 18 8 6 25

Total Contact Hours: 32

Total Credits: 25


Course Title : HEAT TRANSFER-II Course Code: ME131601

L-T-P-C: 3-2-0-4

MODULE TOPIC COURSE CONTENT HOURS

1

RADIATION

Laws of Radiation, Planck’s law, Wien’s displacement law, Stefan Boltzman law, Kirchoff’s law. Intensity of radiation, Relation to Irradiation, Relation to Radiosity, Relation between Irradiation and Radiosity. Diffuse surface and specular surface. Absorptivity, Reflectivity & transmissibility. Black body radiation. Grey body

12

2

RADIATIVE HEAT

EXCHANGE

BETWEEN SURFACES

Radiation between two black bodies,

Radiation shape factor (View

factor) and its properties. Shape factors

for different geometries,

Radiation between two infinite parallel

places, Radiation between two

infinitely long concentric cylinders,

Radiation between grey bodies,

Electric network analogy for thermal

radiation, Radiation shields,

Radiation combined with convection

12

3 HEAT EXCHANGER

ANALYSIS & DESIGN

Types; Overall heat transfer co-efficient.

Fouling factor, LMTD methods of analysis,

Effectiveness – NTU method. Pressure

drop and pumping power. Aspects of

Design, double pipe heat exchangers; Shell

and Tube heat exchanger, Condensers

12

4

PHASE CHANGE

HEAT TRANSFER

Modes of boiling, Nusselt theory of

condensation, correlations in boiling and

condensation.

12

TOTAL 48

REFERENCE BOOKS:

1. Heat Transfer by J P Holman, Souvik Bhattacharyya, Tata Mcgraw Hill.

2. Heat and Mass Transfer by Yunus A. Cengel, Tata Mcgraw Hill.

3. Heat Transfer by Y V C Rao, University Press.

4. Heat and Mass Transfer by P K Nag, Tata Mcgraw Hill.

Class Hours/week 4 Expected weeks 12 Total hrs. of

classes 36+12 = 48


Course Title : METROLOGY AND INSTRUMENTATION Course Code: ME131602

L-T-P-C: 3-2-0-4


1 INTRODUCTION

Definition and importance of Metrology

Measurement; Methods of measurements

– direct, indirect, comparison,

substitution, transposition, deflection and

null measurement; Errors in measurement

– absolute, relative, parallax, alignment,

loading, dynamic and calibration error;

Units of measurements – SI base and

derived units, SI prefixes of units.

8

2 LINEAR METROLOGY

Vernier scale; construction and use of

Vernier calliper, Vernier height and depth

gauge, micrometer; slip gauge.

Angular Metrology: Constructional

features and use of protractor, Vernier

bevel protractor, angle gauges, sine bar

and slip gauges.

Measurements of: (i) Level using spirit-

level; (ii) Flatness using straight edge,

interferrometry (Newton’s rings) and

surface plate; Parallelism, cylindricity and

concentricity using dial indicator.

8

3 INTERCHANGEABILITY

OF COMPONENTS

Concept of limits, tolerances and fits;

Hole basis and shaft basis system of fits;

Go and No Go limit gauges; plug, ring,

snap, thread, radius and filler gauges.

6

4 DEFINITION, USE AND

ESSENTIAL FEATURES

OF COMPARATORS

Working principle and application of (i)

dial gauge, (ii) Cook optical comparator,

(iii) Back pressure Bourdon gauge

pneumatic comparator, (iv) optical

comparator-profile projector.

5

5 MEASURING

INSTRUMENTS

Functional elements of an instrument –

sensing, conversion & manipulation, data

transmission and presentation element;

Characteristics – accuracy, precision,

repeatability, sensitivity, reproducibility,

linearity, threshold, calibration, response,

dynamic or measurement error;

Transducers – definition, primary and

secondary, active and passive.

5

6 MEASUREMENT OF Definition; Terminologies – geometrical 8


classes 36+12 = 48


SURFACE FINISH surface, effective surface, surface

roughness, roughness (primary texture),

waviness (secondary texture), form, lay,

sampling length; Numerical evaluation of

surface roughness: peak-to-valley height

(Rmax), centre line average (CLA, Ra),

average depth (Rm), smoothness value

(G); Principle of operation of a Talysurf.

7

PRINCIPLE OF

OPERATION OF A FEW

MEASURING

INSTRUMENTS

Displacement by LVDT; force by strain –

gauge load cell and piezoelectric load cell;

pressure by Bourdon – tube gauge;

temperature by liquid-in-glass

thermometer, thermocouples, optical

pyrometer; liquid velocity by pitot tube;

water flow by orifice meter.

8

TOTAL 48

REFERENCE BOOKS:

1. E.O. Doebelin and D.N. Manik, Measurement Systems– Application and Design, Tata

McGraw Hill.

2. R. Rajendra, Principles of Engineering Metrology, Jaico Pub. House.

3. Beckwith, Lienhard and Marangoni, Mechanical Measurements, Pearson.

4. Bewoor and Kulkarni, Metrology & Measurement, TMH.


Course Title : POWER PLANT ENGINEERING

Course Code: ME131603

L-T-P-C: 3-0-0-3


1 POWER PLANT

CYCLES

Reheat, regenerative and binary vapor and

co-generation cycles. 4

2 BOILERS

Definition, classification, fire tube and

water tube boilers, mountings and

accessories. Draft in boilers, performance

of boiler - boilers efficiency, equivalent

evaporation, Losses in boilers. Coal and

combustion: Properties of coal, ultimate

analysis and proximate analysis,

combination calculation.

5

3 FUEL BED FIRING

PF firing and Fluidized bed boilers.

Introduction to boiling and circulation in

boilers. Power station boilers - Benson,

Lamont. Supercritical boiler.

5

4 BOILERS

ACCESSORIES

Super heater, economizer and air-pre

heater. Handling of coal and ash. 5

5 STEAM TURBINE

i) Parts and classification, ii) nozzles types,

flow through nozzles and nozzle efficiency

Impulse turbine - velocity diagram, work

done and blade efficiency.

Pressure compounding and velocity

compounding of steam turbine

Impulse reaction turbine - Velocity

diagram, degree of reaction and Parsons

turbine.

Governing in Steam turbine. Condensers –

Basic ideas.

12

6 POWER PLANT

ECONOMICS

Load curve and various factors, cost of

power generation. Introduction to Hydel,

Nuclear and Renewable power plants.

5

TOTAL 36

REFERENCE BOOKS:

1. P.K. Nag, “Power plant Engineering,” Tata McGraw - Hill.

2. Arora and Domkundwar, “A course in Power plant Engineering” DhanpatRai & Sons.

3. M.M.EI- Wakil, “Power plant technology,” Tata McGraw – Hill.


classes 36


Course Title : MACHINE DESIGN Course Code: ME131604

L-T-P-C: 3-2-0-4


1

OBJECTIVE AND SCOPE

OF MECHANICAL

ENGINEERING DESIGN

Design considerations; Review and

selection of materials and

manufacturing processes; codes and

standards.

6

2 MODES OF FAILURE

Design/allowable stress; Factor of

safety (FoS); Theories of failure –

maximum normal stress theory,

maximum shear stress theory,

Distortion energy theory. Choice of

Failure criteria.

6

3 FATIGUE IN METALS

S-N curve; Endurance limit and fatigue

strength; Stress concentration factors –

effect of discontinuity, fillets and

notches; Effect of size, surface finish,

stress concentration and degree of

reliability on endurance limit;

Cumulative fatigue damage – Miner’s

equation Goodman and Soderberg

diagrams with respect to fatigue failure

under variable stresses. Fatigue design

under combined stresses.

10

4

DESIGN OF SCREW

JACK, V BELT AND FLAT

BELT DRIVE

Design of Screw Jack, V belt and flat

belt drive.

8

5 DESIGN OF SPUR GEAR

AND HELICAL GEAR Design of Spur Gear and Helical Gear. 10

6

DESIGN OF

CRANKSHAFTS,

CONNECTING ROD,

PISTON

Design of Crankshafts, Connecting rod,

Piston.

8

TOTAL 48

REFERENCE BOOKS:

1. V.B.Bhandari, "Design of Machine Elements ", Tata McGraw Hill.

2. R.L. Norton, Machine Design, Pearson.

3. U.C. Jindal Machine Design, Pearson.


classes 36+12 = 48


Course Title : MACHINE TOOLS AND MACHINING Course Code: ME131605

L-T-P-C: 3-2-0-4


1

ELEMENTARY

TREATMENT OF

METAL CUTTING

THEORY

Element of cutting process – Geometry of

single point tool and angles – Tool

specification – ASA, ORS & NRS system-

chip formation and types of chips – built up

edge and its effects chip breakers.

Mechanics of orthogonal cutting –

Merchant’s Force diagram, cutting forces –

cutting speeds, feed, depth of cut, tool life,

coolants, machinabilty index – Tool

materials

8

2 ENGINE LATHE

Principle of working, specification of lathe

– types of lathe – work holders, tool holders

–Taper turning and thread turning –Lathes

attachments. Turret and capstan lathes –

collet chucks – other work holders – tool

holding devices – box and tool layout.

Principal features of Semi– automatic lathes

– classification indexing & bar feeding

mechanism – tool layout and tool schedule

chart – Machining time calculation

6

3 SHAPING SLOTTING

AND PLANING

MACHINES

Principles of working – Principal parts –

specification, classification, operations

performed. Kinematic scheme of the

shaping slotting and planning machines,

machining time calculations.

6

4 DRILLING AND

BORING MACHINES

Principles of working, specifications, types,

operations performed – tool holding

devices – twist drill – Boring and reaming

operations –Jig Boring machine. Deep hole

drilling machine. Machining time

calculation

6

5 MILLING MACHINE

Principles of working – specifications –

classifications of milling machines –

Principal features of Column and knee type

milling machine – machining operations

types--- geometry of milling cutters –

8


classes 36+12 = 48


methods of indexing(simple, compound and

differential) - Milling processes – Up

milling, Down milling, Face milling & End

milling – Machining Time Calculation

6 INTRODUCTION –

GRINDING PROCESS

Fundamentals – Theory of grinding –

classification of grinding machine –

cylindrical and surface grinding machine –

Tool and cutter grinding machine – special

types of grinding machines – Different

types of abrasives – bonds specification of a

grinding wheel and selection of a grinding

wheel. Wheel Mounting, Dressing, truing &

Balancing of Grinding wheel.

8

7 PRINCIPLES OF

DESIGN OF JIGS AND

FIXTURES AND USES

Classification of Jigs & Fixtures –

Principles of location and clamping – Types

of clamping & work holding devices.

Typical examples of Jigs and fixtures –

Fool-proofing

6

TOTAL 48

REFERENCE BOOKS:

1. Production Technology by R.K. Jain and S.C. Gupta, Khanna Publishers

2. Machining and Machine Tools by A.B. Chattopadhyay, Wile India (P)Ltd.

3. Workshop Technolog – B.S. Raghuwanshi – Vol II, Dhanpat Rai & Co (p) Ltd.

4. Manufacturing Technology – P.N. Rao – Tata McGraw Hill

5. Elements of Workshop Technology (Vol. II) – S.K. Hajra Coudhury and A.K. Hajra

Coudhury.

6. Manufacturing Science – Amitabha Ghosh and Asok Kumar Mallick, East West Press


Course Title : GAS TURBINES AND JET PROPULSION

Course Code: ME131606

L-T-P-C: 3-0-0-3


1 INTRODUCTION

Cycle arrangements, Simple Gas Turbine Cycle,

Heat Exchange Cycle, Re-heat Cycle, Inter

cooled Cycle, Comparisions of various Cycles,

Practical Cycle, Losses and performances.

10

2 CENTRIFUGAL

COMPRESSOR

Parts, Principle of operations, Thermodynamics,

Performance Analysis, Axial Flow Compressor-

Geometry and Working Principle, Work done

factor, Performance Co-efficients, Degree of

Reaction, Flow Losses, Comparision Axial

Centrifugal Compressors, Matching of Turbines

and Compressors.

8

3 COMBUSTION SYSTEM

Process of Combustion, Requirements of

Combustion Chamber, Chamber Arrangements,

Practical Problems.

8

4 JET PROPULSION

Cycles, Propeller Efficiency, Gas Turbine

Engines, Ramjet Engines, Pulse jet Engines,

Turbo Propeller Engines, Turbo jet Engines,

Thrust Equation and specific thrust, Thermal

Efficiency, Propeller Efficiency.

6

5

ENVIRONMENT

CONSIDERATIONS

DIFFERENT

APPLICATIONS

Small, Marine, Gas, Pump, Electric Power

Generator, Locomotive Aircraft Automative

and Process, Additional features of Turbine

Engines, Pollution.

4

TOTAL 36

REFERENCE BOOKS:

1. Gas Turbines by V. Ganeshan, Tata McGraw Hill.

2. Gas Turbine Theory by Cohen and Rogers.

3. Elements of Gas Turbine Propulsion by James Mattingly, Tata McGraw Hill.


classes 36


PRACTICALS

Course Title : METROLOGY AND INSTRUMENTATION LAB Course Code: ME131612

L-T-P-C: 0-0-2-1

Expected No. of weeks : 12 (approx)

EXPERIMENT

NO. AIM OF THE EXPERIMENT HOURS

1 To study the various gauges for measurement. 3

2 To measure the bore of an Engine Cylinder. 3

3 To measure the Tooth Profile of a Gear. 3

4 To measure the TPI, Depth, Pitch, Diameter (Major and Minor

Diameter)

3

5 To measure the taper angle. 3

6 To measure a graphically represented planer area. 3

7 To measure the speed of a rotating shaft. 3

8 To measure the pressure using Dead Weight Pressure Gauge Tester. 3

TOTAL 24


Course Title : MACHINE DESIGN/CAD LAB Course Code: ME131614

L-T-P-C: 0-0-2-1


EXPERIMENT


1 Introduction to the CAD software and its interface. 1

2 Introduction to different tools and its application. 1

3 Design of helical spring. 2

4 Design of connecting rod. 2

5 Design of Crank Shaft. 2

6 Design of keys. 2

7 Design of Piston. 2

8 Design of Pipe Vice. 2

9 Design of Coupling. 2

10 Design of Knuckle Joint. 2

11 Design of Cotter Joint. 2

TOTAL 20


Course Title : MACHINE TOOLS AND MACHINING LAB Course Code: ME131615

L-T-P-C: 0-0-2-1


EXPERIMENT


1 To make a job on lathe machine which include facing,

turning and drilling.

3

2 To perform internal turning, external turning and

threading operation on Lathe.

3

3 To make V threads and square threads on lathe machine. 3

4 To study the Grinding of single point cutting tool and

various cutting tool materials.

3

5 To make spur gear on milling machine. 3

6 Study of simple indexing in milling machine. 3

7 To make a job on grinding using surface grinder. 3

8 To do a turning job in CNC Lathe. 3

TOTAL 24

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ASSAM SCIENCE AND TECHNOLOGY UNIVERSITY Guwahati … SEM ME.pdf · ASSAM SCIENCE AND TECHNOLOGY...

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