ME/T/411 FLUID POWER AND CONTROL
Introduction:
Fluid Power and Control Systems – Hydraulic and Pneumatic Systems, Open Loop
and Closed Loop Controls, Applications, Basic Components and their Symbolic
Representations. Schematic of a Typical Fluid Power Circuit and a Fluid Power
Control System, Overall Functioning.
Fluid
for Hydraulic and Pneumatic Systems – Types and Properties. Reservoir and Heat
Exchanger. Filters. Conditioning of Air.
Positive
Displacement Pumps, Compressors and Actuators – Classification, Schematic and
Symbolic Representation with Description of Working.
Valves
– Flow, Pressure and Direction Control Valves, Schematic and Symbolic
Representation with Description of Working.
Accumulators
and Intensifiers – Types, Working Principle and Symbolic Representation with
Description of Working.
Hydraulic
Circuits – Linear, Regenerative, High-Low Circuits. Sequence Circuit,
Accumulator Circuit, Intensifier Circuit, Speed Controlling by Metering in,
Metering out and Bleeder Arrangements.
Control
Modeling for Fluid Elements – Orifice Modeling for Fluid lines and Valve Ports
as Fluid Resistance, Modeling Fluid Mass as Inertia, Modeling Gas
Compressibility as Fluid Capacitance, Spring-mass-damper System and Its Analogy
to a Control Valve Modeling.
Control
Modeling for Fluid Systems – First Order System and its Characteristics, Open
loop Control of Water Level in a Tank with Long Exit Line. Second Order Systems
and Characteristics, Two-Tank System with Control Valve, Loaded Actuator Control
by a Control Valve.
Linearized
Dynamic Analysis – Transfer Functions, Block Diagrams and Laplace Transform,
Block Diagram Reduction. Poles, Zeros, Characteristic Equations and
Characteristic Polynomial. System Stability and Routh-Hurwitz Criterion.
Introduction
to Frequency Response Analysis – Phase-Gain plot, Gain margin and Phase
margin.
Feedback Control – Water Level Control in Hydraulic Tank. Comparison of Open loop, On-Off and Feedback Controls. Proportional, Integral and Derivative Controllers – Steady State Errors.
1.
Computer Aided Design: introduction to computer graphics and database
design etc.
2. Design optimization: LPP, Regression, NLP, GA, AI techniques
3. Design of m/c elements under dynamic load: Vibration Control and
isolation
4. Product and form design
5. Advanced design techniques: creep design, fracture analysis etc.
Machine tool
design: features of construction, functions and principle involved in the design
of machine tool elements: layout of speed for various machine tool drives;
hydraulic and electric drives; design of gear boxes for speed and feed changes;
rigidity and vibration analysis; hydrodynamic design of sleeves, collars and
guide ways; kinematic analysis of mechanisms, safety and fool proof arrangement,
alignment test of machine tools; economics of machine tool selection.
Theory of metal
cutting: tool geometry, specification, conversion and selection; basic
mechanisms and geometry of chip formation of orthogonal cutting, continuous and
discontinuous chips, built up edge; mechanics of metal cutting, theory,
measurement of shear angle; weld theory of friction and action of metal cutting
fluids, tool wear and tool life; economics of machining.
Numerical control
machine tools: basic concepts, field of applications, coordinate system and
machine motions, types of NC systems, MCU and other components, NC part
programming- manual and computer assisted.
Basic concepts of
open loop, closed loop and adaptive control systems.
ME/T/414 REFRIGERATION AND AIR CONDITIONING
1. Review: Concept
of refrigeration from 2nd law of thermodynamics, types of
refrigeration systems. Concept of air conditioning, types of air conditioning
systems. Reversed Carnot cycle: COP of refrigeration and heat pump: their
relation, unit of refrigeration.
2. Simple Vapour
Compression Refrigeration System(Simple VCRS): Review of working principle;
Analysis of the simple vapour compression cycle with reference to P-h and T-s
diagrams. Cycles with subcooling and superheating, their effects; Effect of
changes in evaporator pressure/ ( SST ) and condenser pressure/ (SDT) on the
performance of a simple VCRS. Liquid-suction heat exchangers; dry compression
and wet compression of refrigerant; actual VCRS.
3. Air Refrigeration System (ARS): Why air refrigeration system is used. Bell-Coleman cycle and Bell-Coleman refrigerator, open-air and dense-air system, limitations of Bell-Coleman refrigerator. Reversed Brayton cycle, COP determination, actual air-refrigeration cycle. Aircraft refrigeration, why necessary, different aircraft refrigeration systems and their comparison.
4. Vapour
Absorption Refrigeration System (VARS): Why VARS is necessary. Advantages of
VARS over VCRS. Working principle of simple VARS, practical VARS. Limitations of
VARS, maximum COP of a VARS, industrial lithiumbromide-water VARS; combinations
of refrigerant and absorbents in a VARS. Theory of binary mixtures; Analysis of
a VARS considering rectifiers etc.; Determination of COP for such a system.
5. Equipments And
Control: Major Refrigeration Equipments, Compressors: Types; reciprocating &
rotary etc.;volumetric efficiency and factors on which it depends; Condensers:
types used in refrigeration systems; Evaporators: expansion devices: capillary
tubes and thermostatic expansion valves.
Major
Airconditioning Equipments:
Chillers; Air
handling units; cooling towers;cooling coils.
Control: HP/LP
cutout switches; oil safety switch; Thermostat; Humidistats and antifreeze
thermostats.
6. Other
Refrigeration Systems: Thermoelectric refrigeration system; Vortex tube
refrigeration system; Pulse tube refrigeration systems; Steam-jet (vapour-jet)
refrigeration system; Working principles for the above.
7. Analysis and Design: Review: Principles of psychrometry; psychrometric processes and their analysis; psychrometric charts. Heat load estimation. System design for an air conditioning system: Design for capacity of AHU, coil. Types of AC system. Comfort chart. Ducting systems: four systems of ducting design.
1.
INTRODUCTION TO WIND ENGINEERING
6.
INTRODUCTION TO INDUSTRIAL POLLUTION
7.
FINITE ELEMENT ANALYSIS – II
8.
DESIGN OF PRESSURE VESSELS & PIPING SYSTEMS
10.
ELEMENTS OF FRACTURE MECHANICS
11.
PLASTICS
AND FIBRE-REINFORCED-COMPOSITES
12.
COMPUTER AIDED DESIGN AND MANUFACTURE
13.
QUANTITY PRODUCTION METHODS
14.
ADVANCED
PRODUCTION PROCESSES
ME/T/415A INTRODUCTION TO WIND ENGINEERING
Introduction;
state of the art in wind engineering.
Bluff
body aerodynamics: boundary layer separation; wake and vortex formations;
pressure, lift, drag and moment effect.
Structural
dynamics: single degree of freedom linear system; multi–degree of freedom
linear system; example of along–wind response.
Aeroelastic
phenomena; vortex shedding and lock–in phenomena; models of vortex–induced
response; across wind galloping; wake galloping; flutter; torsional divergence.
Wind
tunnel simulation of aerodynamic and aero–elastic behaviour of bluff bodies.
Application to design of tall buildings, slender towers and stacks.
Introduction:
definition, vistas of aerodynamics, historical development.
Kinematics
of gas flow: equation of motion, circulation, Stoke’s theory, stream function
and velocity potential.
Vortex
motion: vortex tube, vortex sheet, Bio-Savart law, Kelvin’s theorem, vortex
theorems of Helmboltz.
Combination
of basic flow patterns: lift on a rotating cylinder, Magnus effect,
Joukowski’s transformation.
Lift
on an aerofoil: aerodynamic forces on a lifting surface; nomenclature and shape
of aerofoils; lift and drag coefficients of aerofoils; circulation theory of
lift; effect of wave on lift.
Thin
aerofoil theory and its application; finite span effects; induced drag.
Drag
on an aerofoil: effect of viscosity, skin friction and form drag; flow
separation and stalling; boundary layer control and its effect.
Effects
of compressibility: Prandtl Glauert rule; shock waves on wings and bodies;
effect of sweep on two-dimensional wings.
Application of the knowledge of aerodynamics in the design of turbomachine blades, streamlining vehicle structures, reducing wind-load on buildings and structures etc.
ME/T/415C HYDRO, WIND AND WAVE POWER
Hydropower
– hydropower potential in India and in the world. Water power estimate from
stream flow data, hydrographs, mass curve; water ways - canal and penstock;
general arrangement of hydropower station; water hammer surge tanks; water
turbines – determination of important dimension - selection, performance,
governing; cavitation model.
Tidal
power plant – estimation of power, types of turbine – operational
characteristics; pump-storage-plant – economic consideration, single machine
acting as pump and turbine.
Atmospheric
circulation: wind speed variation and flow patterns; estimation of wind energy,
energy conversion methods – windmill, air turbines.
Energy balance of the environment and ocean; tidal waves and ocean currents, tidal cycles; harnessing tidal and ocean energy; low head water turbines.
Theories
of viscous flow and their application to biomechanical problems – to the study
of blood and gas flow in cardiovascular and respiratory systems. General
conservation laws and constitutive equations, laminar and turbulent flows of
Newtonian and Non-Newetonian fluids in pipes. Pulsative flows through elastic
and visco-elastic tubes. Pulse wave propagations and reflections; hydrodynamics
of aortic valve. Generation and transmission of pulse wave, sound and murmurs in
cardiovascular system. Dispersion, attenuation and reflexion phenomena in blood
vessels. Cardiovascular impidance. Effects of tapering, bifurcation, branching
and curvature on blood and gas flows.
Mechanics
of microcirculation, gas transported in blood. The hydromechanics of peristatic
pumping.
Dynamics
of fluid containing small solid particles. Liquid drops and gas bubbles. Theory
of Brownian motion and statistic treatment of fluid mechanical problems.
Examples from thermodynamics and biophysics.
Blood flow measurements. Fluid dynamics of heart assist devices.
Introduction
to pneumatic and hydraulic transportation; advantages and disadvantages.
Fluid
mechanics of multiphase flow; liquid-solid flow; pressure drop in conduits and
fittings in multiphase flow; critical velocity.
Special types of pumps and blowers for fluid transportation; analysis of pump-pipeline and blower-pipe interactions; resistance to wear; analysis of pipe wear for multiphase flow; selection of pump for handling liquid-solids, liquid-liquid (petroleum products); air handling systems etc.
ME/T/415F INTRODUCTION TO INDUSTRIAL POLLUTION
Introduction;
classification of pollution; effects of pollution on human beings, plants and
animals.
Air
pollution: physical effects; atmospheric dispersion and diffusion; method of
sampling and analysis; practical control of industrial air pollution and
abatement.
Water
pollution: industrial sources; water quality parameters; control and abatement
of water pollution.
Noise pollution: physics of sound generation and transmission; physical characters of noise; physiological effects of noise; sources of noise in industries; measuring instruments and technique; assessment of noise; noise control principle, practice and laws.
ME/T/415G FINITE ELEMENT ANALYSIS – II
General
concepts of finite element analysis, variational and weak formulation of a
general system, Quasi-harmonic, eigenvalue and propagation problem in
non-structural applications.
Introduction to non-linear problems.
ME/T/415H DESIGN OF PRESSURE VESSELS & PIPING SYSTEMS
Introduction
to Pressure Vessels: Fired & Un-fired vessels.
Vessel
Mechanics & Design considerations: Thick/Thin shells -cylindrical, spherical
& different types of end-covers.
Failure
theories, Thermal design.
Design
of vessel supports.
Design
of a typical pressure vessel using industrial software.
Introduction
to Piping Engineering – their design.
Method
of stress analysis of piping system – Thermal & other static modes of
loading.
Design of a typical piping problem using industrial software.
ME/T/415I COMPUTER AIDED DESIGN
Introduction
to CAD and design optimization.
Basics
of Computer Graphics;
Modelling
of Curves and Surfaces: Representation, Cubic Spline, Bezier curves etc.,
Parametric Design of Surfaces: Cubic, B-spline surfaces, Bezier bicubic surfaces
etc., Surface modeling in commercial drafting softwares.
Solid
Modelling: Schemes of representing solid objects, procedure for creation of
solid models using solid modelling packages.
Basics
of computer drafting through high-level languages.
Design
Database: concept of database, objective, data structure, Accessing database
from design programs.
Finite
element modelling and analysis, Use of typical softwares.
Typical problems through CAD.
ME/T/415J ELEMENTS OF FRACTURE MECHANICS
Kinds of failure : Yielding, Buckling, Fatigue, Creep, Environmental Degradation, Vibrational modes, Impact, Wear
Theories of failure
Types of fracture :
a. Brittle fracture and ductile fracture
b. Theoretical cohesive strength
c. Stress concentration
d. Griffith’s theory of brittle fracture
e. Orwan’s theory
f. Irwin’s theory: Energy release rate
g. Stress analysis of cracks: Stress intensity factor
h. Modes of crack surface displacement, plane stress and plane strain conditions
i. K1C
Fracture toughness measurement:
a. Impact testing
b. Effect of temperature: transition temperature
c. Plane strain toughness and plane stress toughness testing
d. Indentation technique for measuring K1C
e. Crack opening displacement (COD)
f. J-Integral and J1C
g. R-Curve phenomenon
Metallographic aspects of fracture:
a. Cleavage fracture-dislocation pile-up, crack initiation, crack propagation
b. Ductile fracture: Coalescence of voids
Fatigue fracture:
a. S-N curve
b. Fatigue crack growth
c. Fracture modes in fatigue
d. Microscopic fracture mechanisms
e. Toughening mechanisms
ME/T/415K PLASTICS AND FIBRE-REINFORCED-COMPOSITES
Plastics:
Introduction,
polymerization; poly-condensation; Poly-addition; Classification of plastics;
Thermo plastics and thermo setting plastics; Properties of different plastics
with their application in modern technology.
Fibre-reinforced-plastics
(FRP):
Introduction, isotropic, anisotropic and erthotropic characteristics of composite materials. Visco-elastic properties of FRP; Advantage in the application of FRP against metals by lightweight design; use of FRP in automobile, aircraft and space technology. Servo system.
ME/T/415L COMPUTER AIDED DESIGN AND MANUFACTURE
Introduction:
The design process, System configuration.
Basics
of CAD systems: Entity descriptions and data structures, View transformations;
Types of CAD modeling.
CAD
programming techniques.
Principles
of optimization.
Introduction
to Finite Element Method for stress analysis.
Integrated
approach for Computerized Product Design.
Introduction
to CAM
Integration
of CAD and CAM.
Introduction
to different Graphics Exchange Standards.
Case
studies of CAD and CAM.
Economics of CAD/CAM.
ME/T/415M QUANTITY PRODUCTION METHODS
System
of production, Inter-changeability of machine parts, Tolerances, fits and
standardization, Measuring instruments for mass production and design of gauges,
Machine tools for mass production, application of interchangeability in cutting
practice.
Jigs
and fixtures, economic principles, principles of design, types of jigs and
fixtures.
Factors
affecting mass tool products, different types of die, design principles of dies
and punches.
Plastic
working of metal, forging, drop forging, bending, forming, embossing and drawing
operations and die design principles, types of presses, accessories and
attachments, selection of presses.
Die-casting
and moulding methods, products manufactured by die casting and plastic moulding,
production by powder metallurgy.
Relative cost of different production methods.
ME/T/415N ADVANCED PRODUCTION PROCESSES
Basic
principles of automation applied to drives and controls.
Features
of constructions of semi-automatic and automatic lathes, design and layout of
plate and drum cams for various products.
Program-controlled
machines, digital and adaptive control, automatic sizing and surface control,
servo-response and open loop numerical control. New methods of machining AJM,
USM, EDM, ECM, LBM, EBM, PAM processes.
Anode cutting, explosion forming, laser for micro drilling and welding, selecting the most suitable processes for a product, economic analysis of production processes.
ME/T/415O LASER MACHINING PROCESS
Basic
Laser principles:
Light
waves, EM spectrum, Wave and particle nature of light, polarized and unpolarised
light, electron photons energy levels;
Theory
of laser: Population inversion, Spectrum vs emission and stimulated emission,
Amplication gain, lasing conditions, pumping schemes, resonant cavity;
Properties
of laser light: Coherence monochromaticity, brightness, directivity;
Output
characteristics: Output modes, Beam diameters and divergence, CW beams, Pulsed
beam, Ultra short pulses;
Modified
laser output: Wave length selectivity tuning, Non-linear wavelength changes,
Raman shifting, Switches, Mode locking, Cavity dumping, Amplication.
Types
of Lasers:
He-Ne
laser, C O2, Argon – ion lasers, Nd- YAG laser, Excimer laser,
Semiconductor laser and others.
Fundamental
of Optics:
Geometrical
Optics: Reflection, Refraction Lens, Focal length.
Physical
Optics: Diffraction, Polarisation,
and Interference.
Optical
Components: High Power Optics, Laser Mirrors, Lens, Defects, Filters and
coating, Reflective optics.
Interaction
of high power laser beams with materials:
Material
and laser parameters, Uniform condition, irradiance Model, Energy balance
approximation, heating with melting, material removal, heating with
vaporization, Keyhole welding;
Laser
machining system:
Beam
delivery system, Mirrors, Beam splitters, Focussing lens, Laser Head, Fibre
optic coupling, Laser workstation.
High
power laser applications:
Surface hardening, welding, cutting, drilling, marking and alloy cladding.
ME/T/415P DESIGN OF THERMAL SYSTEMS
Engineering design, design of workable system; Workable system vs. optimum system; Fitting and mathematical modeling; Piping systems; Heat exchangers; Heat transfer fundamentals; Pressure losses; Design methodology for heat exchangers – iterative solution; Prime movers; System simulation; Elements of optimization; Lagrangian multipliers; Search method; Dynamic programming; Linear programming; Discussion on certain comprehensive problems.
Database:
An
overview of database system, basic database system terminology, Entities,
Attributes and Keys, Relationships, Entity-Relationship Diagrams etc.
Introduction
to different data models: Network, Hierarchical and Relational. Physical
organization of data.
Network
model: The DBTG data definition language, implementation of networks, program
environment, navigation within the database, insertion, deletion and
modification.
Design
of a relational database, normalization, Structured Query Language: Data
Definition and Data Manipulation Language.
C++:
Basic
concepts of object-oriented programming (OOP):
class, object, data abstraction and encapsulation, inheritance etc.
Overview of different object-oriented languages.
Introduction
to C++: Basic features of C++ and program structure. C++ keywords, identifiers,
constants, data types, control structures etc.
Functions
in C++: Inline function, function overloading, friend and virtual functions etc.
Specifying
a class, creating objects, accessing class members, defining and accessing
member functions, constructors and destructors, operator overloading and type
conversion etc.
Inheritance:
Base class, derived class; single, multiple, multiple inheritance etc.
Pointers,
virtual function and polymorphism.
Books:
Principles
of Database Systems, J.O. Ullman
Object-Oriented
Programming in Turbo C++, R. Lafore
C++,
How to programme by Deitel and Deitel
Using
C++ by B. Eckel
The C++ Programming Language by B. Stroustroup
ME/T/415R ADVANCED POWER GENERATION
ME/T/416 ME WORKSHOP VIVA VOCE
Each final year
student will have to appear at a viva voce examination on all practical course
of workshop practice completed during the course of his undergraduate study so
far.
Each student will
be required to submit to the class teacher two different articles containing
about 2000 words on two engineering topics assigned by the class teachers, and
will be required to give concise talks on those two topics in the class
according to the direction of the class teacher, and will have to participate in
the discussion on such talks of the other students also. The result of those
assignments will be considered as that of practical work. There will be no
written examination for this course.
Each student has
to visit at least six industries in and around Kolkata and has to prepare and
submit a report to the concerned teachers and present the work.
ME/S/414 THERMAL DEVICES LABORATORY
1.
Parallel flow/counter flow heat exchanger
2.
Cross flow heat exchanger
3.
Refrigeration laboratory unit
4.
Air conditioning laboratory unit
5.
Steam turbine
6.
Study of boiler
7.
Valve timing diagram of I.C. engine
8.
Performance test of I.C. engine
Fourth Year Second Semester
ME/T/421 ADVANCED MANUFACTURING
Processing of
advanced materials; Generative Manufacturing Processes: rapid prototyping,
general features and classifications, CAD and GMP software, creation of layers,
building of metallic objects, considerations for adopting RP technology.
Definition and
classification of automation; High-volume production systems- transfer
mechanisms, transfer lines; NC production systems- features of DNC, CNC and
adaptive control; Robotics- anatomy, control system, programming and
applications.
FMS: work
stations, material handling, computer control, planning; group technology; AGV
system; Automated Inspection and Testing - principle and methods, sensor
technologies, machine vision.
CIM: CAD, CAM,
CAPP and their integration.
Assembly systems
and line balancing; Production economics.
ME/T/422 MECHANICAL HANDLING OF MATERIALS
Definition of
material handling; Classification of materials, bulk load, unit load, their
characteristics. Classification of mechanical handling equipments; different
types of elevators and lowerers for handling materials in bulk and for unit
loads and their working principles and estimation of handling capacity.
Belt conveyor;
Picking belts, their construction, capacity and power requirements; other
conveyors like apron, steel plate and slat conveyors; flight and screw
conveyors; vibrating and oscillating trough conveyors- estimation of their
handling capacity and power requirement.
Automatic feeding
devices for elevators and conveyors.
Gravity chutes and
gravity roller runways, humper, stacker and gadget; live rollers; pneumatic and
hydraulic methods of conveying; endless rope and chain haulage; Aerial ropeways,
monorails, telphers and blast furnace hoists.
Loading/ unloading
and operation of railway wagons, motor trucks and fork lift trucks.
Wire ropes, pulley
blocks, crab winch, grabs and lifting magnets; different types of cranes.
Definition and
types of robots- basic concept, working principle and application of robotics;
manipulators.
ME/T/423 ENGINEERING ECONOMICS AND COSTING
Introduction:
engineering economy and its importance, want activity – satisfaction of wants.
Resource planning and distribution in economic systems – Laissez.
Factors of
production: the concept of optimum, laws of return; demand - elasticity of
demand – demand-estimation market research; supply and industrial costs.
Money-value of
money; quantity theory; inflation and deflation.
Banking: role of
commercial banks; credit and its importance in industrial functioning – source
of finance; Reserve bank of India and its functions.
Business
management and organisation: proprietorship, partnership and joint-stock company
– their formation.
Finance and
management: elements of taxation, insurance, business combinations, basic
principles of management.
Industrial
record-keeping: double entry system, journal, ledger, trial balance, cash
book, preparation of final accounts – trading, profit and loss account,
balance sheet, simple study of balance.
Industrial costs:
classification – material cost control, labour cost control and overhead cost
control; depreciation and replacement studies.
Financial control:
ratio analysis and their interpretation for industrial control; budgetary
control.
Value analysis and
project evaluation: pay back, DCF, IRR.
ME/T/424 ME LABORATORY VIVA VOCE
Each final year
student will have to appear at a viva voce examination on all laboratory works
done under Mechanical Engineering Department during the whole course of his
undergraduate study.
2.
INTRODUCTION TO WATER RESOURCES ENGINEERING
5.
INTRODUCTION TO FIRE PROTECTION AND SAFETY ENGINEERING
6.
FINITE ELEMENT ANALYSIS – III
7.
RELIABILITY IN ENGINEERING DESIGN
10.
PRODUCTION
SYSTEMS
and controls
ME/T/425A INDUSTRIAL VENTILATION
Purpose
of ventilation, methods of ventilation, determining quantity of contaminants and
air change.
Physical
properties of moist air, mixing processes, processes with varying enthalpy and
moisture content of air. Aerodynamics principles of air interchange, air jets,
interaction of jets, thermal currents, air outlets, suction data, circulation in
isothermal conditions, surplus heat and other impurities – surplus heat;
humidity; gases and vapours, dust, methods of processing and removal.
Main ventilation methods – air change, effect of wind, control of natural ventilation, calculation of air change, air douches, applications, standards, calculation, air curtains; local exhaust systems.
ME/T/425B INTRODUCTION TO WATER RESOURCES ENGINEERING
Water
resources – global perspective; fields of Water Resources Engineering.
Water
requirement – for hydropower project, irrigation, navigation, industrial and
municipal supplies.
Hydrology
– the hydrologic cycle, precipitation-stream flow, evaporation and
transpiration, hydrograph, unit hydrograph, hydrograph of basic flow, mass
curve, ground water hydrology.
Source
of water - surface water source, storage, determination of storage capacity,
setting of reservoir; ground water occurrence, ground water hydraulics, wells,
yields of wells.
Flood
control – estimation of flood discharge, various methods of flood control –
reservoir, floodwalls, channel improvement, drainage and reclamation.
Planning for water resources development –project formulation, multipurpose projects, engineering economy in water resources planning, cost allocation and an introduction to water laws.
ME/T/425C FLUID CONTROL AND SYSTEMS
Introduction
to Fluid Systems and Control – Tank-filling problem: single tank, Tanks in
series, Gas Flow Regulation for Temperature Control. Mechanistic and
Non-mechanistic Controls, SISO and MIMO Controls, Lumped Parameter and
Distributed Controls, Fuzzy Logic and Neural – Network Controls. Analog and
Digital Control, Input-Output and State-space Control approaches.
Digital
Controls – Components in a Process Control Configuration, Features and
Configurations of Computer Control, Control Practice: A Level Control Example,
Control Algorithms and Finite Differences, Z Transforms and Transfer Functions,
Z-Plane and root Loci.
State-space
analysis – Fluid-Power Systems and Models, Transfer Function Matrices and
Stability, Solution for the State Equation. Eigenvalues, Eigenvectors and
Models. Controllability, Observability and Stabilizability. State-space methods
for Digital Simulation and Control.
Optimal Control – Regulator and Tracking Problems, Control Modeling of Temperature Control by Semi-discretization of PDEs, Performance Index and Its Optimization, Sweeping Technique.
ME/T/425D ELEMENTS OF GAS DYNAMICS
Review of the fundamental principles of fluid mechanics and thermodynamics; governing equations of compressible fluid flow; general features of steady one dimensional flow; stagnation conditions; characteristic speed of gas dynamics; impulse function; effect of great change on flow properties; convergent and convergent-divergent nozzles; effect of back pressure; under-expansion and over-expansion of convergent-divergent nozzles; source and sink model; application to jet propulsion air-breathing engine, rocket engines; performance of propulsive nozzles; thrust reduction; propulsive nozzle for maximum thrust; one-dimensional flow with friction – the Fanno line; steady one-dimensional flow with heat transfer – the Rayleigh line; shock waves – normal shock wave, oblique shock waves; supersonic wind tunnel; application to inlet for air-breathing propulsive engines; expansion wave; flow with mass addition – application to solid propellant motors.
ME/T/425E INTRODUCTION TO FIRE PROTECTION AND SAFETY ENGINEERING
Fundamentals
of fire and combustion, Chemical and Physical aspects of fire.
Fire
dynamics.
Fire
detection and suppression systems, principles of suppression, water based
suppression systems.
Fire
protection analysis, fire protection fluids, fire protection systems, fire
protection design, unified fire services.
Failure analysis. Industrial safety and security. Radiological safety.
ME/T/425F FINITE ELEMENT ANALYSIS – III
Dynamic
analysis of elastic continuum, overview of eigen analysis, response analysis
methods, shock spectrum analysis, application to random vibration problems,
application to problems of rotating bodies
Role of finite elements in analysis and modelling of active and controlled structures.
ME/T/425G RELIABILITY IN ENGINEERING DESIGN
Basic
concept of reliability, Importance of reliability in design, Introduction to
mathematical statistic and statistical distribution theorem.
Basic
reliability principles, Single probability, Load-strength interaction, Bath Tub
curve, Non-constant failure rate, Introduction to simple Weibull plot.
Introduction
to reliability function, Structure functions, reliability of systems of
independent components, bounds on the reliability function, the inclusion
exclusion method, the intersection method.
Replacement,
maintenance and inspection: examples and policies, life time and failure rates,
expected system life time, fixed time replacement, preventive replacement, group
replacement, control limit rules.
Introduction
to quality control: examples and definitions, acceptance sampling, operating
characteristic curve, sampling inspection plan, control charts, average run
length, control chart construction, inspection problems, identification of risk
factors, estimating survival functions.
Reliability
in design: defining the user requirement, setting reliability metrics and
definitions, risk assessment, objective based framework for product development.
Reliability
in development, physics of failure, fault tree analysis, design reviews,
critical items, production reliability, reliability qualification testing,
failure mode effect analysis.
Reliability assurance and maintainability, design from maintainability, logistic support analysis, life cycle costing, risk cost estimate, case studies.
ME/T/425H THEORY OF METAL FORMING
Introduction;
Structure of metals; Stress and strain analysis; Fundamentals of plastic
deformation; Basic theory of plasticity, yield criteria of metals; determination
of working load in plastic deformation.
Introduction
to metal forming; methods of solution of forming problems; Mechanics of metal
forming processes, e.g. rolling, forging, drawing, extrusion, bending etc.
Introduction:
Decision making, development and application of O.R.
Linear
programming: Formulation – Graphical solution; simplex method, Duality in LP;
sensitivity or post-optimality analysis.
Transportation
problems and Assignment problems.
Project
Scheduling and Network techniques: CPM and PERT; crashing networks and resource
scheduling, GERT.
Waiting
Line Models: Basic theory and application; Poisson arrival and exponential
service time distributions; M/M/1 Queue; M/M/R Queue; Queuing cost model; Finite
population model, application of Monte Carlo Simulation.
Theory
of Games: Two-person zero-sum game; Minimax and maximin strategies; saddle
points; Mixed strategies; solution methods for games;
Decision Theory: Decision making under certainty, uncertainty and risk.
ME/T/425J PRODUCTION SYSTEMS and controls
Introduction:
Production
and production system; Models of production systems, planning, analysis and
control of production systems, production control information system; Integrated
production control systems.
Forecasting:
Long
and short term forecasting methods; time-series prediction; growth analysis by
exponential smoothing; Forecast error analysis; the Box-Jenkins approach; Delphi
Technique.
Aggregate
planning and master scheduling:
Different
approaches to aggregate planning; parametric approach to production planning;
optimization approaches to aggregate planning; Desegregation to a master
schedule.
Sequence
and scheduling:
Sequencing
tasks on processors; Job-shop scheduling; The line balancing problem; Line
balance; project scheduling by network techniques; scheduling with resource
constraints;
Manpower Planning and Behavioral Science; Control and Reliability of Production Systems: Quality assurance; Inspection and acceptance sampling; control charts; system reliability. Case study.
Features
of forced circulation and critical pressure boilers; Superheater, reheater, air
heater and economizer; Heat transfer in different elements of steam generators;
Disposition of heating surfaces.
Fuels
and fuel burning equipment – types, ratings, application, design features;
Furnaces for pulverized fuel firing and gas and oil firing; Heat release rates;
Design consideration; Circulation of steam and water; Circulation ratio.
Steam generator losses and heat balance; Water treatment; Instruments and controls.
Introduction:
Open cycle single shaft and twin shaft arrangements; Compounding; Closed cycles;
Aircraft propulsion.
Shaft
power cycles: Ideal cycles; Methods of accounting for component losses; Design
point performance calculations; Comparative performance of practical cycles.
Gas
turbine cycles for aircraft propulsion: Criteria of performance; Intake and
propelling nozzle efficiencies; Simple turbojet cycle; Turbofan and turboprop
engines; Thrust augmentation.
Centrifugal
compressors: Principle of operation; Work done and pressure rise; Diffuser;
Compressibility effects; Non-dimensional quantities for plotting compressor
characteristics; Compressor characteristics study.
Axial
flow compressors: Elementary theory; Degree of reaction; Three dimensional flow;
Simple design method; Blade design; Calculation of stage performance; Overall
performance; axial compressor characteristics.
Combustion
system: Types of combustion systems; Important factors affecting combustion
chamber design; Combustion process; Some practical problems.
Axial
flow turbines: Elementary theory; Vortex theory; Choice of blade profile; Pitch
and chord.
ME/S/421 ADVANCED DESIGN AND PROJECT
Each student has
to choose one research/project on advanced design/analysis from a list of topics
offered by the department.
ME/S/422 FLUID MACHINERY LABORATORY
Study of the performance
characteristics of centrifugal pump, blower, water turbines, jet pump.
Study of cavitation –
characteristics of centrifugal pump.
Study of oil-hyraulic system
including the characteristics of fluid power components such as pressure control
valve, flow control valve, study of the characteristics of fluid control circuit
using pneumatics servo system.
Study of the characteristics of
submerged jet.
Study of supersonic wind tunnel
technique. Determination of pressure distribution around an aerofoil.
Application of analogy technique in
fluid mechanics.
ME/S/423 MACHINE ELEMENTS LABORATORY
Experiments on the
following topic should be done:
Critical speed of
a rotor, Natural frequency of vibration of a beam, Balancing of rotors, strain
measurement, stress analysis of pre-loaded bolts, performance of hydrostatic
& hydrodynamic journal bearing, use of data acquisition system etc.
ME/S/424 WORKSHOP PRACTICE-V (ADVANCED MACHINE SHOP PRACTICE AND MACHINE TOOLS LABORATORY)
Manufacturing /
making the components of a complete equipment / device/ machine tool, like
reciprocating pump / drilling machine/ Centrifugal pump/ some other – fitting,
machining, assembly work and testing.
Experiments in
metal cutting: study of chip formation mechanism and influence of various
parameters on shear angle; determination of force, temperature, tool life etc.
Alignment test of
machine tools, other experiments on machine tool /machining (study of machine
tool rigidity & vibration etc.).
Study and
operation of gear generating machines, auto-screw machine, broaching machine,
cylindrical grinding machine, CNC lathe; Introduction to machining center etc.;
study of non-conventional machining.