ME 801: OPERATIONS MANAGEMENT

Module 1

Network techniques: Basic concept of network constructing, information requirement, critical path, algorithm fr critical path, various slacks, crashing, multi-time estimate, PERT, the short root problem, the minimal spanning tree problem, maximal flow n capacitated network.Forecasting: methods of forecasting time series, moving average method, exponential smoothening.

Module 2

Production planning and control: Scopes and objectives Functions of production planning and control, product consumption cycle, product life cycle, design functions, product design, cost factors, simplification, standardization, specialisation, inter-changeability.Inventory control: Structure of inventory problems, relevant cost, EOQ models, infinite delivery rate without backordering, stores ledger, materials requisition sheet, materials retur note,material transfer note, bin cards.

Module 3

Agregate Planning methods: graphical and reaction rate methods.Scheduling: Gantt charts, indexing methods, Basic concepts of sequencing, one machine n jobs, 2 machine n jobs, m machine n jobs problems, critical ratio method of loading & scheduling Despatching, progress reporting and expediting functions.

Module 4

Plant Location and Layout: Factors influencing location, need for layout, layout design process, determination of equipment and employee requirement, production rate determination, space determination, block plan, systematic layout planning.Material handling: The principles of materials handling, classification, selection factors.Maintenance & replacement: preventive and breakdown maintenance, economic aspects,replacement of equipment, depreciation.


ME 802: COMPRESSIBLE FLUID FLOW

Module 1

Introduction to gas dynamics : system, and control volume approach, conservation of mass, continuity equation, conservation of energy, steady flow energy equation, entropy changes n fluid flow, stagnation state, sonic velocity, mach number, classification of fluid flow based on mach number, Mach cone.Effects of area variation on one dimensional compressible flow: isentropic flow of an ideal gas, basic equation, reference conditions fr isentropic flow of an ideal gas, mass flow, and chocking, isentropic flow n converging nozzle, coefficient of velocity.

Module 2

Flow with Normal Shock Waves: Fundamental equation for normal shock, normal shock equation fr a perfect gas, Prandtl relation fr normal shock, tables fr computation of normal shock, normal shock on T-S diagram.Flow wth Oblique Shock waves: Fundamental Relations, Prandtl’s equation, Rankine- Hugoniot equation, Variation of flow parameters, Mach Waves.

Module 3

Effects of friction in one dimensional flow : Adiabatic flow in constant area duct with friction, fanno line, fanno relation or perfect gas, tables fr computation of fanno flow,chocking resulting from friction.Effects of heat exchange n one dimensional flow : frictionless flow n constant area duct wih heat transfer, Raleigh line, Rayleigh equations fr a perfect gas, tables fr computation of rayleigh flow, chocking resulting from heat transfer.

Module 4

Methods of flow measurement and flow visualization : pressure probes, Prandtl probe,pitot tube, Prandtl pitot stati tube, Supersonic pitot tube, Shock tube.Rayleigh supersonic pitot formula, temperature recovery factor, hot wire anemometer,working principles of shadow graph, Velocimeter, schlieren apparatus and interferometer.Wind Tunnels – Subsonic and Supersonic Wind tunnels.


ME 803 PRODUCTION TECHNOLOGY

Module 1

Kinematics of Machine Tools: Selection of range of speeds and feeds, layout of speeds, graphical representation of speed and structural diagrams, ray diagrams fr machine tool gear boxes, speed chart, speed box design, feed chart, feed box design, gearing diagram,stepped and step less regulation of speeds, feed and speed mechanisms n lathe, milling and drilling machines.

Module 2

Non-traditional machining processes: Principles, machining unit, process characteristics and applications of Electro Discharge Machining, Electro Chemical Machining, Abrasive Jet Machining, Ultrasonic Machining, Electron Beam Machining, Laser Beam Machining, and Plasma Arc Machining-capability analysis of non traditional processes.

Module 4

Powder Metallurgy: Definition and basic concept of the powder metallurgy process,powder manufacture, characteristics of metal powders, mixing and blending, compacting,pre-sintering, sintering, hot pressing, secondary P/M operations like infiltration,impregnation, sizing, properties of P/M products, product applications, advantages &disadvantages.

Module 4

Hydraulic operation of Machine Tools: Elementary ideas of fluidics-classification of fluidic elements, types of fluid logic elements, logic states, circuits, hydraulic valves,flow, pressure and direction control valves, JIC symbols, elementary control circuits, oil hydraulic circuits of shaping, drilling and grinding machines.Estimation and Costing: estimation and costing n foundry shop, sheet metal shop,welding shop, and machine shop- simple examples n lathe, drilling, milling, shaping and grinding machines.


ME 804(A): PROPULSION ENGINEERING

Module 1

Fundamentals of propulsion: Types of propulsive devices - Turbo prop, Turbo jet, Turbo fan,Turbo shaft, Ram jet, Scramjet, Pulse jet, Ram rocket, Comparative study of performance characteristics, Propellers, Advance ratio, Types of combustion chambers, Operating characteristics, Fuel injection n combustion chamber, Factors limiting turbine design, materials fr turbine blades, cooling of turbine blades, Surging n compressors and its control, comparison of centrifugal and axial flow compressors

Module 2

Thrust equation, Calculation of thrust and thrust power, propulsive efficiency, thermal efficiency, transmission efficiency, and overall efficiency of turbo jet engines, isentropic flow through nozzles, Thrust Augmentation methods, Analysis of turbo jet engine cycle, Componentefficiencies, Diffuser efficiency, Compressor efficiency, Burner efficiency, Turbine efficiency,Nozzle efficiency, Velocity coefficient, Performance characteristics of a turbo jet engine,Analysis of Turboprop, Turbofan and Ramjet engine cycles.

Module 3

Rocket Propulsion: General operating principles of rocket motors, performance parameters for rocket motors and their relationship, Rocket equation, Burn out velocity, Specific Impulse,Specific Propellant Consumption, Characteristic Velocity, Thrust Vector Control, Altitude gain, Solid propellant Rocket motor, Grain configuration, Propellant area ratio, Liquid propellantRocket engines, Gas pressure feed systems, Turbo-pump feed system, Injectors, Hybrid rockets,Nuclear, Solar and Electrical rockets.

Module 4

Liquid fuels, Liquid Oxidizers, Liquid monopropellants, Cryogenic fluids as rocket propellants,Properties of cryogenic rocket propellants, Cryogenic rocket engine, Manufacture of cryogenic fluids, Igniters – Pyrotechnic & Pyrogen Igniters, Combustion instability, Cooling of Thrust Chambers – Radiation cooling, Ablative cooling, Regenerative cooling, Film cooling,Transpiration cooling, Aspects of Launching, Boost dynamics, Orbit equation, Space vehicle trajectories, Kepler’s Law, Atmospheric Re-entry of Space vehicles.


ME 804(B): COMPUTATIONAL FLUID DYNAMICS

Module 1

Classification of partial differential equations – system of first and second order partial differential equations – initial and boundary conditions – finite difference formulations –finite difference equations – finite difference approximation of mixed partial derivatives.

Module 2

Parabolic partial differential equations – explicit methods – implicit methods – parabolic equation n two space dimensions – consistency, stability and error analysis of finite difference equations – artificial viscosity.

Module 3

Elliptic equations – finite difference formulations – solution algorithms – finite difference formulations – splitting methods – multiple step methods.

Module 4

Scalar representation of the Navier-Stokes equations – model equations – numerical algorithms – incompressible Navier-Stokes equation – primitive variable and vorticity -stream functions formulations – Poisson equation fr pressure – numerical algorithms –boundary conditions – staggered grids.


ME 804 (C) MATERIALS MANAGEMENT

Module 1

Introduction: Scope, objectives and phases in materials management Procurement: purchase procedure, tender, earnest money, security deposit, purchase order, vendor rating.Receipt: Invoice, cash memo, inspection. Storage: methods of storage.Selective control techniques of inventory – ABC & VED analysis.Inventory Theory: objectives of keeping inventory, structure of inventory problems and their analysis, relevant cost.

Module 2

Static inventory problems under risk : general characteristics, Christmas tree problem,total cost matrix, opportunity cost matrix, cost of risk, mathematical formulation of discrete and continuous cases.

Module 3

Dynamic inventory problems under risk: general characteristics, basic kinds of inventory control systems – demand probability distribution – approximate methods to find optimal P & Q systems of inventory, optimal selling policy wth fluctuating prices.

Module 4

Material requirement planning: master production schedule, bill of materials, inventory stock, files, MRP process, logic and computational procedure using simple example, lot sizing n MRP


ME 804 (D) ADVANCED PRODUCTION TECHNOLOGY

Module 1

Classification of Machine tools, Generation and forming, Methods of generating surfaces- Accuracy and finish Achievable, Basic elements of machine tools, Support structures, Guide ways, general work holding methods.

Module 2

Abrasive process, introduction, Grinding wheel designation and selection, Types of grinding machines, Grinding process, Grinding process parameters, creep feed grinding,Honing, lapping, other finishing process. Machine tool testing, Introduction, measuring instruments used fr testing, Test procedures, Acceptance tests. General guidelines fr Designing fr machining

Module 3

Press work operations-presses for sheet metal working, constructional features-die cutting operations-die/punch size estimation, scrap-strip layout-centre of pressure and press tonnage-compound and progressive dies

Module 4

Process planning, product cycle in manufacturing, product quality, part print analysis,location principles, tolerance stacking, errors n machining, operation selection, tolerance analysis, computer aided process planning.


ME 804 (E) AUTOMOBILE ENGINEERING

Module 1

Power Plant: Automotive engine classification, S.I. & C.I. engines, combustion chamber types, engine balancing, multi cylinder arrangements. Automobile engine parts: Cylinder block, cylinder head, crank cse, oil pan, cylinder liners, piston, arrangements to control piston slap, piston rings, connecting rod, crank shaft, valves, valves actuating mechanism,valves lay out, materials used, valve and port timing diagrams.

Module 2

Fuel supply system: Simple carburetor, constant choke, constant vacuum carburetor,types of carburetor, mixture strength requirements, fuel pumps fr petrol engines, petrol injections, MPFI systems, diesel fuel pump and fuel injector fr diesel engines. Ignition System: Battery ignition system, comparisons between battery ignition and magneticignition system, ignition advance methods, electronic ignition. Cooling System:Necessity, methods of cooling. Lubrication System: Objectives, system of engine lubrication, crank cae ventilation

Module 3

Chassis construction: The frame and its functions, unitary or frameless, Layout of the components of transmission system Clutches: Purpose, requirements, construction details Gear box: sliding mesh gear box, constant mesh gear box, synchro mesh gear box,epicyclic gear box, overdrive, torque converter, automatic transmission an overview,

Module 4

Universal coupling, propeller shaft, final drive Steering mechanisms, wheel suspension.Factors fr wheel alignment: camber, caster, kingpin inclination, toe–in, toe–out Brakes:Types of brakes, Braking requirements, brake efficiency, stopping distance, fading of brakes