1 Syllabus: Mechanical Engineering (7 th & 8 th Semester) Mechanical Engineering Courses Assam down town University Syllabus for 7 th Semester Sl. No. Course No. Subject Marks Credit TA CT ESE Total Theory 1 Machine Design-II 50 25 100 175 4 2 Mechanical Vibrations 50 25 100 175 4 3 Hydraulic Machines 50 25 100 175 4 4 Numeric Control of Machine Tools and Robotics 50 25 100 175 4 5 Elective I 50 25 100 175 4 Refrigeration and Air Conditioning Automobile Engineering Management Information System 6 Elective II 50 25 100 175 4 Power Plant Engineering Computer Aided Design Statistical Quality Control 7 Training 50 2 8 Project – I 100 4 Total 1200 30
Bhandari, B. V., “Design of Machine Elements”, Tata McGraw Hills.
Bahl, Goel, “Machine Design”, Tata McGraw Hills.
Spot, M. F., “Design of Machine Elements”, Tata McGraw Hills.
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Syllabus: Mechanical Engineering (7th & 8
th Semester)
Mechanical Vibrations (ME-712) Theory: 100
Duration: 3 Hours Sessional: 75
Basic Concepts
Introduction, importance, main causes of vibration, characteristics of vibration Harmonic Analysis, Beats, Periodic and non-harmonic excitation, mathematical models, Elements of a Vibratory System, lumped or Discrete parameter system, Continuous or Distributed parameter systems, Equivalent springs and dashpots.
Undamped Free Vibration
Introduction, Derivation of differential equation motion-energy method, Newton‟s 2nd law method,Rayleigh‟s method. Solution of differential equations of motion, Angular Oscillation- compound pendulum.
Damped Free Vibration
Introduction, Viscous damping, free vibration with viscous damping – overdamped, critically damped and under damped system, critically damping co-efficient , Logarithmic Decrement, Coulomb damping, Structural damping, interface damping-comparisons
Forced Vibration (Single Degree Freedom System)
Introduction , Forced harmonic vibration , magnification factor , resonance, Excitation due to unbalance – rotating reciprocating, vibration
isolation force transmissibility , motion transmissibility.
Introduction, Principal modes of vibration, modes shapes, Torsional Vibration, coordinate coupling- static and dynamic, Dynamic Vibration Absorber, Torsional Vibration Absorber, Pendulum type vibration Absorber, Generalized Co-ordinates
Multi Degree Freedom Systems
Introduction, equation of motion, matrix methods, orthogonality and principal mode of vibration, Approximate method of determining fundamental frequencies- Dunkerley‟s method, Rayleigh‟s method, Holzer‟s methods, method of matrix iteration.
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Syllabus: Mechanical Engineering (7th & 8
th Semester)
Whirling Motion and Critical Speed
Introduction, critical speed of single rotors, multiple rotors.
Noise Engineering
Introduction, Subjective response to sound, sound spectra, types of sound fields, loudness of composite sound, Equivalent sound level,
auditory effects of noise. Noise standards and limits, Major source-industries, Survey and
measurement technique Industries noise control strategies.
Text Books
1. Ambekar., A.G., “Mechanical Vibration & Noise Engineering”. Prentice–Hall of India Pvt. Ltd. 2. Thomson., W.T., “Vibration Theory & Application”, 2nd Ed. Prentice–Hall. 3. Hankle., Tse Morse, “Mechanical Vibration Theory and Application”. Prentice–Hall of India Pvt. Ltd, New Delhi. 4. Church., A.H., “Mechanical Vibration”. John Wiley & Sons, Newyork.
Fundamentals of CAD, Phase of CAD, benefits, applications, Disply techniques, Hardware and software of CAD, programming and tools in CAD
Computer Graphics
Role of computer graphics in CAD / CAM, Fundamentals of 2-D graphics, Menu design and graphical user interfaces, graphic elements, raster scan
technique, Graphic elements drawing, algorithms for line, circle, ellipse, arc, rectangle etc.. Drawing of 2-D elements, filling of object, programming
methods, Transformation in 2-D as scaling, rotation, rotation about any point, scaling about any point, orthographic projection and drawing of 2-D
elements.
Modeling in 3-D
Translation, mirror and shear, transformation in 3-D as scaling , translation and rotation, mirror, shear, isometric, oblique and perspective projection
method. Surface, wire frame and solid modeling, B-rep, CSG and Hybrid modeling Planer and space curve design, analytical and synthetic
approaches, surface of revolution, Sweep surfaces, ruled and developed surfaces, Benzier and B-spline curves and surface.
Design of Machine Component
Application for design of vehicle components and mathematical modeling with program on design problems like shaft, axles, gear, spring, brake,
clutch etc..
Optimization
Implementation, techniques for reducing weight and cost f the components using computer program.
Thermal System Design
Application of CAD for design of thermal system like heat exchanger, furnaces design etc.
Numerical Methods
Modelling and Programming gauss elimination method, numerical integration, finite differences, curve fitting, Newton Raphson technique
Books
1. Krishnamurthy, “Computer Aided Design”
2. Khandare, “Computer Aided Design”
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Syllabus: Mechanical Engineering (7th & 8
th Semester)
Statistical Quality Control Elective - II (ME716) Theory: 100 Duration: 3 Hours Sessional: 75
Introduction (All Sections):
The Meaning of Quality and Quality Improvement; Brief History of Quality Methodology; Statistical Methods for Quality Control and Improvement;
Total Quality Management (quality philosophy, links between quality and productivity, quality costs legal aspects of quality implementing quality
improvement).
Modeling Process Quality (all sections, a quick review and review assignments)
Frequency distribution and histogram, numerical and graphical descriptive statistics, some important discrete and continuous probability models;
some useful approximations.
Inferences about Process Quality (all sections, a quick review and review assignments)
Sampling distributions, estimation and confidence interval for process parameter(s), hypothesis testing on process parameter(s) and power analysis.
Methods and Philosophy of Statistical Process Control
Chance and assignable causes, Statistical Basis of the Control Charts (basic principles, choices of control limits, sample size and sampling frequency,
rational subgroups, analysis of pattern on control charts, warning limits, ARL, sensitizing rules for control charts); Deming‟s Magnificent Seven
Implementing SPC; An Application of SPC; Nonmanufacturing application of SPC.
Control Charts for Variables, (all sections)
Control Charts for X and R (statistical basis, development and use, estimating process capability; interpretation, the effect of non normality on the
chart, the OC function, average run length); Control Charts for X and S; Control Chart for Individual Measurements; Applications of Variables
Control Charts.
Control Charts For Attributes, (all sections)
Control Chart for Fraction Nonconforming (OC curve of the control chart, variable sample size, non-manufacturing application, the OC function and
ARL calculation); Control Charts for Nonconformities or Defects; Choices Between Attribute and Variable Control Charts, Guideline for
Implementing Control charts.
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Syllabus: Mechanical Engineering (7th & 8
th Semester)
Process and Measurement system Capability Analysis (PCA), (sections 7.2, 7.3, 7.4, 7.8): PCA analysis using a histogram or a probability plot,
process capability ratios, confidence interval for process-capability ratio, PCA using a control chart, estimating natural tolerance limits of a process.
Cumulative-Sum (CUSUM) & Exponentially Weighted Moving Average (EWMA) Control Charts (all sections)
CUSUM Control Chart (basic principles of the chart for monitoring the process mean, tabular or algorithmic CUSUM, recommendation for CUSUM
design, the standardized CUSUM, rational subgroups, improving the responsiveness of the CUSUM for large shifts, designing a V-Mask, designing
CUSUM based on ARL, one sided CUSUM); EWMA control chart (EWMA control chart for monitoring process mean, design of an EWMA control
chart, rational subgroups); The moving Average Control Chart.
Lot-By-Lot Acceptance Sampling For Attributes, (all sections)
The accepting sampling problem, single sampling plan for attributes, Double, Multiple, and sequential sampling, Military Standard 105E, the Dodge-
Roming sampling plans (AOQL and LTPD plans).
Books
1. Montgomery, D. C., “Introduction to Statistical Quality Control (4th edition 2001)”, Wiley publisher.
2. Grant, E. L. and Leavenworth, R. S., “Statistical Quality Control (6th edition)”, McGraw- Hill publisher.
3. Banks, J., “Principles of Quality Control”, Wiley publisher.
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Syllabus: Mechanical Engineering (7th & 8
th Semester)
Manufacturing Process (ME811) Theory: 100
Duration: 3 Hours Sessional: 75
Melting and Casting of metals:
Solidification behaviour of pure metals and alloy materials, Centreline shrinkage, Comparative study of different melting furnaces. Special
casting methods – Permanent mould casting – Pressure Die casting – Hot chamber, Cold chamber Air blown methods – Low pressure Die
casting, Continuous casting. Non-metallic mould casting – Centrifugal casting, Investment casting. Casting defects, their causes and remedies –
Fettling of casting – Inspection.
Mechanical working of metals:
Introduction – Classification – Hot, Cold and Warm working – Variables affecting mechanical working process.Rolling – Principle –
Condition for continuous rolling – Methods for reduction of roll separating force – Types of rolling mills – Roll pass design – Roll Piercing.
Forging – Forgeability – Forgeable materials – Metallurgy of Forging – Classification – Hand forging operations – Forging hammers – Drop
Definition of organization, organizational structure, types of organization, span of control, delegation of authority and responsibility.
Network Analysis
Objectives, Network development technique, Network computations – Critical Path and its significance, Earliest and Latest dates, calculation of
float. Deterministic and probabilistic network models, Assumptions and computations related to PERT model, Crashing of jobs for minimum
cost-time schedule for CPM models.
Work Study
(i) Meaning and scope, subdivisions of work study – Method/Motion study and Work Measurement (ii) Method/Motion study- its meaning
and scope, steps in method/motion study, Tools and techniques of method/motion study, Principles of motion economy (iii) Micro-motion
study – Meaning and scope, therbligs, use of motion camera in micro-motion study (iv) Work measurement – concept of observed time,
rating/levelling factor, average worker and standard time for jobs. Use of stop watch and work sampling techniques in the determination of
standard time.
Plant Location and layout
(i) Objectives, Locational factors, Economics of plant location (ii) Meaning, objectives and types of plant layout and their relevance to mass, batch
and job- order production systems. (iii) Systematic Layout Planning (SLP) procedure (iv) Use of computers for layout design (v) Group
Technology (GT), Flexible manufacturing systems (FMS) and Computer integrated manufacturing (CIM) (iii) Assembly Line Balancing (ALB) -
meaning and objective, Heuristic methods for solution of ALB problems.
Product design and Development
(i) Meaning of product, Product life cycle (PLC) and Product mix (ii) Decisions to be taken during product development and design (iii) Procedure
for product development and design (iv) Value of a product – its meaning, Value Analysis (VA) – its objectives, procedureand example,
Simplification and Standardization.
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Syllabus: Mechanical Engineering (7th & 8
th Semester)
Production Planning and Control (PPC)
(i) Meaning and Objectives, Effects of types of production (ii) Steps in PPC primarily stressing the needs of marketing research,
technological forecasting, process planning/routing, scheduling of flow-shop and job-shop productions, Use of Gantt chart, Machine loading,
Make/Buy decision and Break-even analysis, Master production schedule, MRP and MRP-II, Supply Chain and Inventory management, Just
In Time (JIT) and Kanban systems (iii) Production control – monitoring, expediting and re-planning.
Maintenance Management
Meaning and Types of maintenance, and their suitability, Standards of maintenance, Total Productive Maintenance (TPM).
Total Quality Management (TQM)
(i) Meaning of Quality, Total Quality and Total Quality Management, Basic premises of TQM – customer satisfaction, process improvement,
employee involvement, supplier partnership and management leadership. (ii) Tools and techniques for TQM (iii) Quality system and Quality
assurance - ISO 9000 standards.
Recommended books:
1. Telsang, M., “Industrial Engineering”
2. O‟ Donnel, Koontz, “Essentials of Management”
3. Mahajan, M., “Industrial engineering”
4. Jhamb, L. C., “Production planning & control”
5. Panneerselvam, “Operations Management”
6. Chezy, “Operations Management”
7. Barnes, R. M., “Motion and Time study”
8. Muther, R., “Systematic layout planning”
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Syllabus: Mechanical Engineering (7th & 8
th Semester)
Internal Combustion Engines (ME813) Theory: 100
Duration: 3 Hours Sessional: 75
Air standard cycle
effect of variation of specific heats, fuel-air ratio, compression ratio and dissociation. Actual cycle – losses in actual cycle. Exhaust gas
analysis – its interpretation and use in determination of combustion characteristics; Pollution norms.
I C engines fuels
Petrol, Diesel, natural gases and some other alternative fuels and their characteristics and use in engines. Combustion process in S. I. And C. I.
engines, abnormal combustion, detonation and fuel knock – additives. Rating of I. C. engine fuel.
Design features
Combustion chambers used in S I and C I engines, some important types of combustion chambers
Carburetion
Desirable characteristics – compensation for simple jet carburetor, calculation for air-fuel ratio.
Injection processes – requirements and methods –mechanical, electronic and MPF injection system.
Ignition processes in IC engines
Requirements and types – battery magneto and electronic.
Performance characteristics of petrol and Diesel engines Part load and full load characteristics in respect to thermal efficiency, mechanical efficiency, fuel consumption, bmep and torque. I
C engine ratings and volume capacity compression ratio and weight to power output ratio and its trends in power – weight characteristics.
Supercharging of I C engines – effect of supercharging on Diesel and petrol engines – performance characteristics for supercharged engines.
Supercharger
Types, principles of dual-fuel and multi-fuel engines and Stratified combustion engines.
Books
1. Mathur, M. L. and Sarma, R. P., “A course in Internal Combustion Engines”
2. Heywood, John B., “Internal Combustion Engine Fundamentals”, McGraw-Hill international edition
3. Ganesan, V., “Internal Combustion Engines”, Tata McGraw Hill Publishing
Basics of computational fluid dynamics – Governing equations of fluid dynamics – Continuity,
Momentum and Energy equations – Chemical species transport – Physical boundary conditions –
Time-averaged equations for turbulent flow – Turbulence – Kinetic –Energy equations – Mathematical behavior of PDEs on CFD: Elliptic, parabolic
and hyperbolic equations.
Discretization and Solution Methodologies
Methods of deriving the discretization equations – Taylor series formulation – Finite difference method – Control volume formulation – Spectral
method. Solution methodologies: Direct and iterative methods – Thomas algorithm – Relaxation method – Alternating direction implicit method.
Heat Conduction
Finite difference and finite volume formulation of steady/transient one-dimensional conduction
equation – Source term linearization – Incorporating boundary conditions – Finite volume formulations for two and three dimensional conduction
problems.
Convection and Diffusion
Finite volume formulation of steady one-dimensional convection and diffusion problems – Central, upwind, hybrid and power-law schemes –
Discretization equations for two dimensional convection and diffusion.
Calculation of Flow Field
Representation of the pressure – Gradient term and continuity equation – Staggered grid – Momentum equations – Pressure and velocity corrections
– Pressure – Correction equation – SIMPLE algorithm and its variants – Turbulence models: mixing length model – Two equation (k-ε) models.
Books
1. Versteeg, H.K. and Malalasekera, W., “An Introduction to Computational Fluid Dynamics: The Finite Volume Method”, Longman, 1998.
2. Ghoshdastidar, P.S., “Computer Simulation of Flow and Heat Transfer”, Tata McGraw-Hill Publishing Company Ltd., 1998.
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Syllabus: Mechanical Engineering (7th & 8
th Semester)
Non-Conventional Energy Sources Elective – III (ME814) Theory: 100 Duration: 3 Hours Sessional: 75
Solar Energy Conversion of solar energy to electrical energy - availability - advantages and limitations - Power systems.
Wind Energy
Wind mapping - location of wind generators - types of wind mills and generators - Induction and synchronous systems
Bio-Mass
Sources of bio-mass energy - Wood and agricultural waste - Municipal waste - Animal waste - Energy
conversion systems - Biogas generation from animal waste - Wood gasification - Downdraft and fluidised bed systems - Alcohol fuels.
Other Sources
Wave energy - Scope and simple systems for power generation - tidal power - scope and applicaions. OTEC scope fundamental principles and
operating systems for power generation. Geo thermal energy - Principle and simple systems for power generation.
Books
1. T. Nejat Veziroyqlu., "Alternative energy sources - III " Hemisphere Publishing Co., 1989.
2. Barbara Keiler., "Energy Alternatives ", Luscent books, 1990.
3. David Hafemeister, Henry Kelly, Barbara G.Levi, American Institute of Physics, 1985.
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Syllabus: Mechanical Engineering (7th & 8
th Semester)
Total Quality Management Elective – III (ME814) Theory: 100 Duration: 3 Hours Sessional: 75
Quality Concepts
Evolution of Quality control, concept change, TQM Modern concept, Quality concept in design, Review off design, Evolution of proto type.
Control on Purchased Product
Procurement of various products, evaluation of supplies, capacity verification, Development of sources, procurement procedure.
Manufacturing Quality Methods and Techniques for manufacture, Inspection and control of product, Quality in sales and services, Guarantee, analysis of claims.
Quality Management
Organization structure and design, Quality function, decentralization, Designing and fitting organization for different types products and company,
Economics of quality value and contribution, Quality cost, optimizing quality cost, seduction programme.
Human Factor in Quality
Attitude of top management, co-operation, of groups, operators attitude, responsibility, causes of operators error and corrective methods.
Control Charts
Theory of control charts, measurement range, construction and analysis of R charts, process capability study, use of control charts.
Attributes of Control Charts
Defects, construction and analysis off-chart, improvement by control chart, variable sample size, construction and analysis of C-chart.
Defects Diagnosis and Prevention
Defect study, identification and analysis of defects, corrective measure, factors affecting reliability, MTTF, calculation of reliability, Building
reliability in the product, evaluation of reliability, interpretation of test results, reliability control, maintainability, zero defects, quality circle.
IS0-9000 and its concept of Quality Management:
ISO 9000 series, Taguchi method, JIT in some details
scheduling, sequencing, FMS lay out and essentials.
Management of CIM
Role of management in CIM, Expert system & participate management, Impact of CIM on personnel, Role of manufacturing engineers, CAD/CAM
integration.
Books
1. Sinha, S. K., “CNC Programming”, Golgotha publications.
2. Rathakrishnan, P., “Computer Numerical Control Machines”, New Central Book Agency.
3. William, “Flexible Manufacturing Cells and System”
4. Radhakrishan, P. and Subramanian, S., “CAD CAM and CIM”, New Age International
5. Vajpayee, S. Kant, “Computer Integrated Manufacturing”, Prentice Hall of India.
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Syllabus: Mechanical Engineering (7th & 8
th Semester)
Finite Element Method Elective – IV (ME815) Theory: 100 Duration: 3 Hours Sessional: 75
Introduction
Procedure, methods, element, types of analysis, error, methods, modeling
Static Analysis
Single dimensional analysis on beam element, shape function, stress matrix, connectivity table,
thermal stresses, horizontal and vertical element structure, global load matrix, global deflection matrix, stiffness matrix, elimination approach and
penalty approach, 2-Danalysis,plain stress and strains, strain matrix, weighted residual methods, variation approach heat transfer analysis.
Heat Transfers Analysis Analysis of thermal system, development of single dimensional heat conduction model with convenction and internal heat generation, 2-D heat
conduction modeling and solution.
luid Flow Analysis Analysis of fluid flow system, single dimensional and 2-D modeling of fluid flow system.
Analytical of vibrations Eigen value problems, eigen values and determination of natural frequency of the system
Implementation
Pre-processing and post processing, programming in FEM, mesh generation
