ME/T/311 PRINCIPLES OF FLUID MACHINERY
Introduction:
definition of fluid machinery, classification (positive displacement type
machine, turbomachine and others); energy transfer in fluid machines –
application of linear and angular momentum equations.
Analysis of flow through propellers and windmills – slip stream theory, actuated disc theory; jet propulsion devices – analysis of thrust and other performance parameters; working principle of a jet pump.
Classification of turbomachines – incompressible flow and compressible flow machine, radial – axial – mixed flow type machine.
Energy transfer in a turbomachine: one-dimensional, two-dimensional and three-dimensional flow model for turbomachines.
Euler’s one dimensional pump/turbine equation with assumptions, Euler head, concept of head, rotor work and efficiency for incompressible flow turbomachine, velocity triangles for radial flow and axial flow turbomachines, different heads associated with a typical pump installation, different heads associated with a typical hydroturbine installation.
Steady flow energy equation as applied to a compressible flow turbomachine, definition of different types of efficiencies of compressible flow turbomachines.
Isolated aerofoil theory, blade element analysis of an axial flow turbomachine; elementary design of blades.
Two-dimensional analysis of flow through an axial flow turbomachine – linear cascade theory, velocity triangles, blade solidity, loss coefficient and efficiency for the cascade, degree of reaction, choice of reaction.
Elementary treatment of radial equilibrium, free vortex design of blades of axial flow turbomachines.
Reciprocating pump: types, working principle, indicator diagram, effect of inertia and friction on the indicator diagram, use of air vessel along with reciprocating pump.
Discussion
of dynamics of direct acting engine mechanisms, turning moment, analysis of
flywheel.
Governors,
types of governors, characteristics of governors.
Dynamic
analysis of mechanism & machines in general.
Introduction:
Importance of study of mechanical vibration. Tolerance, limits and standards.
SDOF
systems: Equations of motion – free and forced vibration of linear and
torsional systems, flexural vibration, review of rotating balancing, critical
speed and quality of balance, reciprocating balancing and study of nature of
exciting forces, vibration isolation – transmissibility and choice of
isolators, transient vibration, shock & ergodic analysis, response to
non-harmonic excitation.
MDOF
systems: Equations of motion – free and forced vibration of linear and
torsional systems, coupling of translational and rotational degrees of freedom,
application to problems of machine foundation, stock bridge dampers.
Continuous
systems: Vibration of strings – Application to transmission lines, axial
torsional vibration.
Numerical
methods: Rayleigh and Rayleigh – Ritz methods, Dunkerly’s method,
Holzers’s method, a brief overview on use of finite elements in vibration.
ME/T/313 MACHINING TECHNOLOGY AND METROLOGY
Machining-
Machining principles, motions required and chief elements in machining (cutting
speed, feed, depth of cut, width of cut, chip thickness, uncut chip thickness
etc.); basic idea of machine tool; classification/ types of machine tools
(including preliminary concepts about NC, CNC, DNC, machining center etc.).
Basic machine
tools- Lathe, shaping machine, planning machine, slotting machine, drilling
machine, milling machine, broaching machine, and grinding machine- their
important constructional features and mechanisms; basic and auxiliary motions,
types, specifications and applications/ operations, including taper turning,
thread cutting, gear cutting, helical milling etc.; estimation of machining
time; job holding devices, indexing and elementary idea about jigs and fixtures;
honing, lapping and super-finishing processes.
Cutting tools -
Materials of cutting tools, elementary idea of tool geometry, tool wear etc.
Preparation of
process sheet; introduction to the principles and applications of
non-conventional machining; emerging areas in machining technology.
Surface quality-
Waviness, roughness, surface integrity; influence of surface unevenness on
performance of machined components.
Metrology-
Machining accuracy, various types of error, the concepts of maximum attainable
accuracy and economically feasible accuracy, the factors affecting accuracy;
principles of measuring and gauging; accuracy, precision and sensitivity of
measuring instruments; line and end standards of measurement; limits, fits and
tolerances; plug and snap gauges; limit gauges- Taylor’s principle;
comparators; measurement of lengths, angles and tapers; optical flat- principle
of use and applications; measurement of elements of threads and gears;
co-ordinate measuring machine- an introduction; assessment of surface roughness-
the various parameters and measurement principles; introduction to laser
metrology.
ME/T/314 INTERNAL COMBUSTION ENGINES
1. Introduction: Principle of working, Basic Engine Types, Components of I.C. Engine etc.
2. Cycles: Review of air standard cycles, Analysis of air cycles, fuel-air cycles and actual cycle. Availability aspects of cycles.
3. Fuels: Review of the family of hydrocarbon fuels, Classification of I.C. engine fuels, Desirable characteristics of SI & CI engine fuels, Rating of SI & CI engine fuels, Alternative fuels for SI and CI engine (liquid, gaseous, hydrogen, LPG, CNG, Biogas etc.).
4. Fuel Introduction in SI engine: Carburetion: Air-fuel ratio requirement, Working principle, Analysis of a simple carburetor, Defects of a simple carburetor and it’s remedy. Gasoline injection: mechanical & electronic fuel injection systems and their control.
5. Fuel Introduction in CI engine: Classification of diesel fuel injection systems, Working principle, Engine requirements, Injection pumps and nozzles.
6. Ignition: Battery, magneto and electronic ignition systems, Ignition timing and spark advance.
7. Combustion: Introduction to chemical kinetics, Theories of normal and abnormal combustion in SI & CI engine, parameters influencing combustion, prevention of abnormal combustion in SI & CI engine. Types of combustion chamber & principle of combustion chamber design in SI & CI engine.
8. Supercharging and Scanvenging: Engine requirements, supercharging limits, turbocharging. Scavenging of two stroke SI & CI engine, scavenging parameters, ideal & actual scavenging processes, scavenging pumps.
9. Lubrication: Principle of lubrication, properties of lubricating oil, lubrication systems.
10. Cooling: Principle of cooling, air & water cooling systems.
11. Performance and Testing: Performance parameters and their measurement, different types of dynamometers, heat balance, performance characteristics, governing methods.
12. Pollutant Emission: Formation and control of pollutants.
1. Brakes: band, shoe etc, Clutches: friction, jaw, centrifugal etc. Couplings: rigid, flexible, resilient, fluid etc.
2. Belt drive- flat and Vee.
3. Gear drive- spur, helical, bevel and worm gears
4. Springs – tension, compression, torsion, leaf spring.
ME/T/316 MATERIALS AND METALLOGRAPHY
Unit cells,
packing efficiency and coordination number; bonds and bond energy, plastic
deformation and mechanical testing of metallic materials; phase rule and binary
phase diagram, iron- carbon system, T-T-T diagram, diffusion models; oxidation,
corrosion and creep; elements of dislocations, strengthening mechanism;
Heat treatment of
steels, carbon steels and cast irons; important alloy steels, important
non-ferrous alloys.
Introduction to
modern engineering materials- metallic glasses and their application; nano-phase
materials- their synthesis, variation of physical properties with geometry
(electron affinities, magnetism in nano-particles, mechanical behavior of nano-structural
materials etc.) and chemical properties; shape memory alloys- characteristics,
thermo-mechanical behavior, commercial SmA, applications; advanced ceramics-
manufacturing processes- characteristics and applications; non-linear optics
9due to availability of very power density by laser)-different phenomena.
ME/S/311 APPLIED MECHANICS LABORATORY-II
Buckling test, application of electric wire resistance strain gauge, experiments on dynamics set up.
ME/S/313 MACHINE DESIGN APPLICATIONS
Assignments on
Knuckle/Cotter joint, Power Screws, Riveted joints, Couplings, Clutches, Belt
pulley drive, Gear drive, Valves etc. (Mode: Computer Terminal)
Third Year Second Semester
ME/T/321 PERFORMANCE ANALYSIS & DESIGN OF FLUID MACHINERY
Similarity and
model study in turbomachines: dimensional analysis of incompressible flow
turbomachines, flow coefficient, head coefficient and power coefficient;
non-dimensional plot of performance curves; specific speed; Cordier diagram;
specific speed as a design parameter of imcompressible flow turbomachines; unit
quantities for hydroturbines; dimensinal analysis of compressible flow
turbomachines, non-dimensional plot of performance curves for hydro-compressors
and thermal turbines.
Centrifugal pump, fan and compressor: constructional features – vane shape, diffuser and volute casing; effect of blade outlet angle on the head-discharge curve; effect of inducers at inlet to centrifugal pump and compressor; priming of pumps; balancing of axial and radial thrust; experimental determination of performance characteristics of pumps, fans and compressors.
Phenomenon of whirl slip in a radial flow impeller; stall in axial flow turbomachine; elementary description of secondary flows in turbomachines.
Mechanical, hydraulic and volumetric loss in a turbo-pump; different types of losses in a hydroturbine installation; different efficiencies in turbomachines.
Interaction of a turbomachine with the pipeline system; system head curve and point of operation, surging, series and parallel operation of pumps and fans.
Cavitation: physical expalnation, detrimantal effects of cavitation; cavitation in pumps, net positive suction head, Thoma’s cavitation factor, suction specific speed, cavitation test of pumps.
Hydroturbines: classification and constructional features, installation of an impulse type hydroturbine, function of buckets and nozzles in pelton turbine, working principle of a pelton wheel, optimum wheel efficiency, design consideration for bucket and nozzles; installation of a reaction type hydro-turbine, function of scroll casing, wicket gates and draft tube, cavitation in hydroturbines; testing of hydroturbines, different performance characteristics of hydroturbines like operating characteristics, main characteristics, Muschel curves; speed governing of hydroturbines – different methods.
Torque converter and fluid coupling – function and performance.
ME/T/322 STEAM POWER PLANT ENGINEERING
1. Introduction: Components of steam power plants and their functions.
2. Boiler: Classification. Fire-tube and water-tube boilers. Mountings and Accessories.
Draft-natural & artificial, problems. Circulation-natural and forced. Losses in boiler, equivalent evaporation, boiler efficiency, problems. Coal analysis, classification of coal, effect of different components of coal (ash, moisture, volatile matter, sulfur etc) on boiler operation. Types of coal firing. Combustion of coal. Introduction to power station boiler. Pulverized fuel fired boiler - coal handling, burners and firing arrangement. High temperature and low temperature heating surfaces. Fluidised bed boilers. Pollutants and emission control.
3. Turbine: Classification of turbines. Steam flow through nozzle, nozzle efficiency, problems. Flow through impulse blading, velocity diagram, work done, blade efficiency, problems. Multi-staging of turbines, pressure compounding and velocity compounding, problems. Flow through impulse-reaction blading, velocity diagram, degree of reaction, Parsons turbine, problems. Different losses in turbine. Principles of turbine governing. Blade erosion.
4. Condenser: Classification. Elements of condensing plant. Power plant condensers. Air leakage-effect and removal.
5. Power plant economics: Load curve, load factor, utilization factor etc. Fixed and variable operating cost, Principle of load sharing.
ME/T/323 INDUSTRIAL MANAGEMENT
General
management: Introduction; Development of Management thought; Scientific
management; Functions of management.
Production
system: Emblem of production system; Operations management; Operations strategy;
Corporate strategy; Products and services; Value-added services.
Demand
Forecasting: Qualitative techniques; Time series analysis; Regression model;
Causal models; Forecast errors; Monitoring and controlling forecasts; Break-even
analysis.
Product
Design and Process Selection: Value analysis/ Value engineering; Product design
in manufacturing; Types of production; Types of processes.
Project
Management: Project planning, scheduling, monitoring and control; Uses of
network-based techniques like PERT, CPM and GERT; Minimum cost scheduling.
Quality
Management: Quality specifications and costs; Continuous improvement; ISO 9000;
Quality circles; Statistical quality control – acceptance sampling and process
control procedures; Uses of x and R
chart, p chart and c chart; Process capability; Taguchi methods.
Design
of Facilities and Jobs: Capacity planning; Just-in-time production; Facility
location; Facility layout; Linear programming - graphical and simplex methods;
Transportation method.
Job
Design and Work Environment: Design and improvement of work methods; Work
measurement and standards; Learning curves; Work environment and Ergonomics;
Productivity; Wage, incentive plans.
Inventory
Systems: Definition and purpose; Dependant and independent demand; Inventory
models; Material Requirement Planning; Supply chain management.
Scheduling:
Flowshop scheduling; Jobshop scheduling; Shop floor control; Scheduling of
services – queuing theory, mathematical solutions to waiting line problems.
ME/T/324 MATERIAL SCIENCE AND ENGINEERING
Equilibrium and
kinetics, determination of structure, vacancy formation and other point in solid
elastic, anelastic and visco-elastic behavior, atomic vibration and thermal
properties of solid, diffusion, Metallic conductivity and Insulators,
semiconductors, Magnetic properties and magnetic materials, composite materials,
polymers, glass ceramics and wood, Powder Metallurgy, radio activity and
radiation damage, Fracture.
1.
Pressure vessels – thin and thick cylinders, end covers, spherical
vessels: fired and unfired vessels, Industrial codes.
2. Sliding contact bearings, theory of hydrostatic and hydrodynamic lubrication, Journal bearings, their design.
3. Rolling contact bearings – selection and application.
4. Design of rotors: shafts and axles with bearing mountings. High-speed rotor.
5. Design of chain drive.
1.
ELEMENTS OF ATMOSPHERIC FLUID DYNAMICS
2.
EXPERIMENTAL METHODS IN FLUID DYNAMICS
3.
ELEMENTS OF COMPUTATIONAL FLUID DYNAMICS
4.
FINITE ELEMENT ANALYSIS – I
5.
PRINCIPLES OF ENGINEERING TRIBOLOGY
6.
MECHANICAL MEASUREMENTS AND INDUSTRIAL STATISTICS
7.
ENGINEERING
OF PLASTICS, POLYMERS AND COMPOSITES
10.
PRINCIPLES OF ENERGY CONSERVATION
ME/T/326A ELEMENTS OF ATMOSPHERIC FLUID DYNAMICS
General
structure of the atmosphere; elements of meteorology - lapse rate of
temperature, temperature inversions, isotherms & isobars.
Atmospheric
circulation, vertical convection, centrifugal effects, stability of the
atmosphere.
Effect
of earth’s rotation, effect of friction.
Atmospheric
motions; wind scales.
Atmospheric
boundary layer, governing equations; Ekman spiral; logarithmic and power laws;
atmospheric turbulence.
Effect
of wind on smoke dispersion; determination of chimney height.
Basic similarity requirements; dimensional analysis; basic scaling considerations; wind tunnel simulations of atmospheric flows; wind tunnel testing.
ME/T/326B EXPERIMENTAL METHODS IN FLUID DYNAMICS
Measurement
of total and static pressure; 3 hole probes, 5 hole probes, projection
manometer.
Measurement of velocity: hot wire anemometers, their types, construction and uses; laser doppler anemometer, measurement of velocity components by 3 holes and 4 holes probes, their construction and calibration.
Measurement of discharge through pipes and open channels.
Measurement of turbulence: constant temperature hot wire anemometer, LDA, use of CRO, signal analysing instruments etc.; use of PIV.
Measurement of flow angles of turbomachines etc; measurement of pitch angle; measurement of torque by dynamometer, transducers, strain gauge.
Measurement of rotational speed: tooth wheel gear method, electronic speed meter.
Optical methods.
Detection of flow separation and measurement.
Uncertainty analysis.
ME/T/326C ELEMENTS OF COMPUTATIONAL FLUID DYNAMICS
Introduction
-Theoretical,
Computational and Experimental Techniques and their comparison. Scope of CFD.
Different CFD Approaches. Modeling, Discretization and Basic Solution Module.
Convergence, Stability and Consistency.
Modeling
in CFD -
Navier-Stokes Equation for Laminar Flow in Cartesian Coordinate System.
Potential, Boundary-Layer and Fully Viscous Modeling. Streamfunction-Vorticity
Formulation. Boundary Conditions in Different Formulations and Case Studies like
Potential and Viscous Modeling of Flow in a Cavity, Boundary-Layer Modeling of
Flow over a Flat Plate and Viscous Modeling of Flow in Entrance-Region for Flow
between Parallel Plates.
Finite-Difference
Discretization of CFD Model -
Discretization of First and Second Derivatives by Forward, Backward and Central
Differencing. Truncation and Order of Error, and Accuracy. Case Studies like
Potential and Viscous Modeling of Flow in a Cavity, Boundary-Layer Modeling of
Flow over a Flat Plate and Viscous Modeling of Steady Flow in Entrance-Region
for Flow between Parallel Plates in Streamfunction-Vorticity Formulation along
with Role of Upwinding. Unsteady Flow Modeling and Stability.
Special Topics in CFD - Solution of Simultaneous Linear Algebraic Equations by TDMA and ADI Techniques. Viscous Flow Modeling in Primitive-Variable Formulation: SIMPLE Algorithm.
ME/T/326D FINITE ELEMENT ANALYSIS – I
Introduction
to matrix analysis of skeletal structures, force and displacement method of
analysis, analysis of elastic continuum, principle of virtual work and
development of stiffness and other system matrices, solution of large system of
linear equations in finite element application, programming aspects, usage of
standard packages
ME/T/326E PRINCIPLES OF ENGINEERING TRIBOLOGY
Engineering
Surfaces; Properties and Measurement, Surface Contact
Adhesion,
Friction, Wear
Thermal
Considerations in Sliding Contact
Surface
Engineering
Liquid
Lubricants: Properties and Measurement
Basic
Equations for Fluid Film Lubrication, Hydrodynamic Thrust Bearings, Hydrodynamic
Journal Bearing, Hydrodynamic Squeeze Film Bearings, Hydrostatic Bearings,
Gas-Lubricated Bearings, Elastohydrodynamic Lubrication
Rolling
Element Bearings
Boundary Lubrication
ME/T/326F MECHANICAL MEASUREMENTS AND INDUSTRIAL STATISTICS
Mechanical
Measurements: Measurements of displacement, velocity, acceleration, force
strain, speed, temperature, pressure, flow, shock and vibration and sound.
Industrial
Statistics: Statistical distributions and their applications to engineering and
management problems; testing of hypothesis; z, t, x2 – (
Chi-square) and F – tests; Least-squares methods; failure statistics;
reliability and reliability testing; stochastic
problems in engineering and management.
Analysis
of basic experiments and their designs; factorial experiments; randomized block
design; Latin Square design, orthogonal Latin Square; Taguchi methods and design
of experiments.
Markovian and non - Markovian processes; Poisson processes and diffusion processes
ME/T/326G ENGINEERING OF PLASTICS, POLYMERS AND COMPOSITES
General
properties of plastics.
Introduction,
structure of plastics, polymer materials, plastics available to the designer,
selection of plastics. Mechanical properties of plastics.
Introduction,
visco-elastic behavior of plastics, short term testing of plastics, long term
testing of plastics, design methods for plastics using deformation data,
mathematical models of visco-elastic behavior, intermittent loading, deformation
behavior of reinforced plastic.
Mechanical
properties of plastics fracture.
Introduction, concept of stress concentration, energy approach to fracture, general fracture behavior of plastics, creep fracture plastics, fatigue of plastics, impact behavior plastic.
ME/T/326H COMBUSTION ENGINEERING
INTRODUCTION:
Definition, need, application, classification etc. of combustion systems.
REVIEW:
Thermodynamics ( 1st & 2nd law for pure, non-reacting
(mixture) and reacting systems; stoichiometry, thermo-chemistry,
Clausius-Clapeyron equation etc. ); Conservation Equations ( continuity,
momentum, total & thermal energy ); Fluid Mechanics; Heat Transfer.
MASS
TRANSFER: Fick’s law of diffusion; derivation of species conservation
equation, solution for Stefan problem & droplet evaporation; mass transfer
as an analogy to heat transfer.
CHEMICAL
KINETICS: Classification (homogeneous/heterogeneous; explosive/non-explosive
reactions); Collision theory; reaction rate and it’s functional dependence;
Arrhenius equation; order of reaction, steric factor, collision frequency,
activation energy etc.;
Single-step
chemical reaction: first / second/ third order & uni-molecular/
bi-molecular/ ter-molecular reactions.
Multi-step
chemical reaction: consecutive/ competitive/ opposing/ chain/ chain-branching
etc. reactions.
Explosion
limits; relation between reaction rate and equilibrium constant; computation of
kinetic data.
MODELING
OF COMBUSTION SYSTEM: Connection among Fluid Mechanics, Heat Transfer, Mass
Transfer, Chemical Kinetics & Conservation Equations through Thermodynamics.
LAMINAR
PREMIXED FLAME: Definition, principal characteristics;
Simplified
Analysis: assumptions, conservation (mass, species & energy) equations with
boundary conditions and their solutions to find out temperature &
mass-fraction distribution; determination of flame velocity & thickness;
quenching; flammability & ignition.
LAMINAR
DIFFUSION FLAME:
(I).
non-reacting & reacting laminar jet; Burke Schumann Flame: assumptions,
simplification and solution of mass, species, momentum & energy equation
with the boundary conditions; determination of temperature & mass-fraction
distribution as well as flame height;
(II)
Droplet evaporation & combustion: assumptions, simplification and solution
of mass, species & energy equation with the boundary conditions;
determination of temperature & mass-fraction distribution, mass evaporation
rate, flame stand-off ratio, flame temperature, expression for transfer numbers,
evaporation/burning rate constant, droplet life-time etc.
SOLID
COMBUSTION: Introduction to different features of solid combustion;
One-film
model:
Two-film
model:
Assumptions,
simplification and solution of species & energy equation with the boundary
conditions for the two models; determination of temperature & mass-fraction
distribution, carbon burning rate, flame stand-off ratio, flame temperature,
expression for transfer numbers etc. for the two models.
INTRODUCTION
TO ADVANCED PROBLEMS: Ignition; spray combustion; finite rate chemistry; fuel
vapour accumulation; laminar/turbulent flow situations etc.
Books:
1.
An Introduction to Combustion: concepts and applications by Stephen R. Turns;
McGRAW-HILL INTERNATIONAL.
2. Principles of Combustion by Kenneth K. Kuo, JOHN WILEY & SONS.
ME/T/326I DATA STRUCTURES AND C
Data
Structures: Algorithm, Data, Data type, Data object, Data structure; Recursion;
Axiomatisation, usage example and implementation of the data structures –
Array, Stack, Queue, List, Tree.
C:
Types, operators and expressions; Control Flow; Functions and Programme
structure; Pointers and arrays; Structures; Input and Output; Standard
libraries.
Books:
Fundamentals
of Data Structure, by E. Horowitz and S. Sahni.
Data
Structures using C and C++, by Y Langsam, M.J. Augenstein and A.M. Tenenbaum.
The C programming Language (ANSI C), by B.W. Kernighan and D.M. Ritchie.
ME/T/326J PRINCIPLES OF ENERGY CONSERVATION
Brief
review of the scope of energy conservation. Different methods of energy
conservation – principles and practice. Waste heat recovery principles and
different methods. Economics and feasibility of energy conservation
applications. Case studies.
Principles of Renewable Energy, Fundamentals of Sun Earth Geometry, Solar Radiation Fundamentals, Thermal Analysis of Solar Flat Plate Collectors, Testing of solar Flat Plate collectors, Solar Cookers, Solar Stills, Solar Driers, Storage of solar Energy.
ME/T/326L NUMERICAL HEAT TRANSFER
Overview of Navier Stokes and Scalar transport equations.
Intorduction to finite difference, Taylor series expansion, Evaluation of first and second order derivatives, Truncation error.
Numerical solution of one dimensional problems, Solution of fin equation, One dimensional transient heat conduction equation, Finite volume and integral method of discretisation, Solution by Tri-Diagonal-Matrix algorithm.
Consistency and stability of numerical methods, Fourier stability analysis.
Solution of wo-dimensional steady and transient heat conduction equations, Alternating Direction Implicity (ADI) method, Solution of Poisson equation, Solution of linear system of equations.
Formulation for steady one-dimensional convection-diffusion problems, Central Upwind, Exact Hybrid and Power law schemes, Deferred correction method, Discretisation of convection-diffusion equations in two and three dimensions, Solution of Navier stokes and scalar transport equations in primitive variables, SIMPLE, SIMPLER and SiMPLEC algorithm on staggered grid, Different boundary conditions, wail, symmetry, exit periodic boundary conditions, convective and tradiative boundary conditions.
Introduction to non-staggered (collocated) grid
Introduction to generalized curvilinear coordinates.
Introduction to phase change problems, Numerical treatment of surface radiation.
ME/S/321 THERMODYNAMICS AND HEAT TRANSFER LABORATORY
1. Determination
of dryness fraction of steam
2. Determination
of critical pressure ratio for an orifice
3. Measurement of
temperature by different methods
4. Determination
of thermal conductivity by Guarded Hot Plate method
5. Determination
thermal conductivity of insulating powder
6. Determination
of thermal conductivity of metal rod
7. Heat transfer
from a pin fin
8. Natural
convection from vertical cylinder
9. Determination
of Emissivity of metal disc
ME/S/322 METALLOGRAPHY AND METROLOGY LABORATORY
Metallography
Lab.: Heat treatment of samples; preparation of specimen; study of
metallographic microscope, metallographic testing of ferrous metals and study of
their microstructures;
Measurement
of Eg (band gap) of semi-conductor; measurement of resistivity of a
semi-conducting material by 4-probe method.
Metrology
Lab.: Introduction to Metrology Laboratory; Study and use of slip gauges;
Calibration of different measuring instruments and gauges; Measurement of
length, diameter, taper and angle by means of different measuring instruments
and gauges; Measurement of eccentricity, concentricity and estimation of errors.
Use
of comparator, Optical flat, Profilometer, Tool makers’ microscope and surface
roughness measuring machine; Measurement of different elements of Thread and
Gear.
ME/S/323 COMPUTER AIDED DESIGN
Typical design
problems (m/c component, database, parametric design etc.), code generation and
GUI / drawing.
ME/S/324 WORKSHOP PRACTICE-IV (MACHINE SHOP PRACTICE)
Introduction to
machine tools - lathes, drilling machines, shaping machines, planning machines,
slotting machines, milling machines, grinding machines; machine shop work
involving different operations by using the above mentioned machines through
making of jobs.
Experiments on:
Study of the speed structure of a lathe, study of apron mechanism and
calibration of feeds in a lathe.
Study and grinding
of various cutting tools.