gujarat technological university - gtu mechanical...

THEORY TUTORIAL PRACTICAL

1 Dynamics of Machinery 3 0 2 5

2 Internal Combustion Engines 3 0 2 5

3 Computer Aided Design 3 0 2 5

4 Alternate Energy Sources 3 0 0 3

5 Control Engineering 3 0 0 3

6 Heat and Mass Transfer 3 0 2 5

7 Industrial Engineering 3 0 0 3

TOTAL 21 0 8 29

GUJARAT TECHNOLOGICAL UNIVERSITYDEGREE IN MECHANICAL ENGINEERING

PROPOSED TEACHING SCHEME

Semester - VI

SR NO SUBJECTTEACHING SCHEME(HOURS)

CREDITS

GTU Mechanical Engineering www.gtumechanical.weebly.com

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GUJARAT TECHNOLOGICAL UNIVERSITY

B. E. SEMESTER: VI

Mechanical Engineering

Subject Name: Dynamics of Machinery

Subject Code: 161901

Sr. No Course Content Total Hrs.

1.

Balancing:

Need for balancing, Static balance, balancing of rotating masses in same

and different planes, Numericals

03

1.1 Dynamic balancing, balancing of reciprocating masses, Numericals 03

1.2 Balancing of locomotives, Partial balancing of locomotives, swaying

couple, hammer blow, variation in tractive effort,. Numericals

03

1.3 Balancing of multi cylinder in line engines, direct and reverse crank

concept, Numericals

03

1.4 Balancing of V and radial engines, Numericals ,balancing machines 04

2. Mechanical Vibrations:

-Introduction, Degree of freedom, Types of vibrations, uses effects and

remedy; free natural vibrations, Newton method and energy method for

single degree of freedom.

03

2.1 Damped vibrations; under damped, critically damped and over

damped systems, response curves for single degree of freedom

system. Numericals

04

2.2 Forced vibrations with and without damping in single degree of

freedom, rotating and reciprocating unbalance, base excitations,

Numericals

04

Teaching Scheme Evaluation Scheme Theory Tutorial Practical Total University Exam

(Theory)

(E)

Mid Sem Exam

(Theory)

(M)

Practical

(I)

3 0 2 5 70

30 50


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2.3 Vibration Isolation and transmissibility; Force transmissibility, Motion

transmissibility. Forced vibration with rotating and reciprocating

Unbalance. Materials used in vibration isolation, Numericals

03

2.4 Longitudinal and Transverse Vibrations, whirling of shaft with a single

disc with and without damping, Dunkerley's method for simply

supported beams.

03

2.5 Torsional vibrations, torsionally equivalent system, stepped shafts

and tapered shafts, two rotor, three rotor and geared

systems,Numericals

03

2.6 Stodola’s and Holzer's method for multi rotor systems, Numericals 02

2.7 Two degree and Multi degree Vibrations, wave equation, boundary

conditions in beams, solution of wave equation, Rayleigh's method,

Numericals

03

2.8 Vibration measuring instruments, vibrometer, accelerometer and

frequency measuring instruments

04

Text Books:

1. Mechanical Vibrations By Shrikant Bhave, Pearson Publication

2. Theory Of Machines by S.S.Rattan , Tata Mc-Graw Hill

3. Theory Of Machines & Mechanisms by P.L.Ballaney , Khanna Publishers, Delhi

4. Mechanical Vibrations by G.K.Groover & A.K.Nigam, Nemchand Bros., Roorkee

Reference Books:

1. Theory Of Machines And Mechanisms by J.E.Shigley, Tata Mcgraw Hill

2. Dynamics Of Machines by F. Haidery , Nirali Prakashan, Pune

3. Theory Of Machines by V.P.Singh, Dhanpatrai Pub., Delhi

4. Mechanical Vibration by Schaum Series, Mc-Graw Hill

.


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B. E. SEMESTER: VI


Subject Name: Internal Combustion Engines


Sr. No

Course Content Total Hrs.

1.

Applications, actual working of IC engines, valve and port timing diagrams. 1

2. Reasons for variation of specific heats of gases change of internal energy and

enthalpy during a process with variable specific heats, isentropic expansion

with variable specific heats, effect of variable specific heats on air standard

cycles of Otto and diesel cycles.

3

3. Fuel air cycles, actual cycles and their analysis:

Factors considered and assumptions made for fuel–air cycles, dissociation,

comparison of air standard and fuel air cycles, effect of operating variables on

cycle analysis, difference between actual cycle and fuel air cycle for SI and CI

engines.

3

4. Desirable properties of I.C. engine fuels, required qualities of S.I and C.I

engine fuels, rating of S.I and C.I. engine fuels, HUCR, dopes/additives for S.I.

& C.I. engines, use of alternate fuels like CNG, LNG, LPG, vegetable oils, bio-

diesel, alcohol, biogas and hydrogen for IC engines.

4

5. Fuel supply systems for S.I engines:

Fuel supply system for SI engines, properties of air-petrol mixture, mixture

requirement for different loads and speeds, simple carburetor and its working,

calculation of air-fuel ratio, types of carburetors, limitations of a single jet

carburetor, modern carburetors, problems in carburetors, altitude

compensation, gasoline injection in SI engines, mpfi system for modern

automobile engines.

5

6. Fuel supply systems for C.I. engines: Requirement of ideal injection system,

types of injection systems, fuel pumps and injectors, types of nozzles, spray

formation, quantity of fuel and size of nozzle orifice.

4


(Theory)

(E)

Mid Sem Exam

(Theory)

(M)

Practical

(I)

3 0 2 5 70

30 50


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7. -Ignition system like battery, magneto, and electronic, spark plug, firing order.

Governing system :

quality, quantity & hit and miss governing,

-intake and exhaust systems,

-Scavenging systems:

scavenging processes & systems, scavenging pumps

3

8. Objects, types of superchargers. Supercharging of SI and CI engines, effects

of supercharging, supercharging limits, methods of supercharging, turbo

charging

3

9. Combustion in S.I. Engines:

Stages of combustion, ignition lag and the factors affecting the ignition lag,

flame propagation and factors affecting flame propagation, abnormal

combustion and knocking in SI engines, factors affecting knocking, effects of

knocking, control of knocking, combustion chambers for S.I. engines.

4

10. Combustion in C.I. engines:

Stages of combustion, delay period /ignition lag and the factors affecting it,

detonation in C.I. engines, factors affecting detonation, controlling detonation,

combustion chambers for C.I. engines.

4

11. Aims of engine testing, measurement of indicated power, brake power, friction

power, speed, air consumption, fuel consumption. IC engine efficiencies,

specific output, specific fuel consumption, heat balance sheet, performance

characteristics of SI and CI engines, testing of IC engines as per Indian

standard 10001.

6

12. Emission of pollutants from SI & CI engines, control of emissions from SI and

CI engines, measurement of pollutants in exhaust gases, effect of different

pollutants on human and plant life , emission (Euro & Bharat stage) norms.

4

13. Working principle of Stirling, Wankle and Variable Compression Ratio Engines 1

Text Books:

1. A course in internal combustion engines by V.M. Domdundwar, Dhanpatrai & Co.

(p) ltd, New Delhi

2. Internal combustion engines by Mathur & Sharma , Dhanpatrai & sons, New Delhi.

3. Internal combustion engines by V.Ganeshan ( Tata Mc Grawhill pub.co. ltd., New

Delhi)


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Reference Books:

1. Internal combustion engines by Ramalingam ( Scitech pub.india pvt. ltd., chennai)

2. Internal combustion engines by H.N. Gupta, PHI Learning, New Delhi.

3. Internal combustion engines by B.L..Singhal ( Tech-max publications, Pune)


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Mechanical Engineering/Production Engineering

B. E. SEMESTER: VI

Subject Name: Computer Aided Design


Sr. No.

Course Content Total Hours

1. Fundamentals of Cad: Introduction, Reasons for implementing a CAD system, Computer Aided Process application, conventional design vs CAD. Benefits, Hardware, CAD softwares, Elements of Programming, CAD programming. Technical specification of CAD workstation, computer software-operating system

03

2 Computer Graphics: Scan conversions, DDA and Breshnham’s algorithm for generation of various figure, 2D and 3D transformations: Scaling, Translation, Rotation, Mirroring, Clipping, Homogeneous matrix.

04

3

Geometrical Modeling: Types & mathematical representation of curves, wire frame models, entities, representations, parametric representations

04

3.1 Review of vector algebra, lines, circle, ellipse, parabolas, Parametric

representation of synthetic curves, cubic curves, β - spline, Bezier spline, sweep curves,

05

3.2 Surfaces & solids – model, entities, representations, fundamentals of surface and solid modeling, B-rep, constructive solid geometry (CSG), analytical modeling, sweep.

04

3.3 Solid manipulation, visual realism. Computer aided design of Mechanical Elements & Mechanical Assembly with animation. Capabilities of various commercially available software in the area of CAD.

03

4 Graphics Standards: Standards for graphics programming, features of GKS, other graphics standards, PHIGS, IGES, PDES. Standards in CAD.

02


(Theory)

(E)

Mid Sem Exam

(Theory)

(M)

Practical

(I)

3 0 2 5 70

30 50


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5 Finite Element Analysis: Types of elements, types of error, derivation equitation finite element procedure, Stress – deflection – stiffness matrix, global matrix, conductivity table.

04

5.1 Elimination approach, penalty approach, effect of temperature, principle of min. Potential energy,

04

5.2 Mesh generation, Capability of different FEA software. 02 6 Optimization:

Introduction, design synthesis, Engineering vs Optimum Design, Objectives of Optimization, Classification of Optimization problems and their procedure, techniques of optimization, Optimized design of machine components, Optimization Software.

08

Text Books:

1. CAD/CAM: Computer Aided design and Manufacturing by Mikell Groover and Zimmer,

Pearson Education

2. Computer Graphics - Hearn & Baker, PHI

3. Optimization Methods by S.S. Rao, New Age International Publications

Reference Books:

1. Computer Aided Engineering & Design by Jim Browne, New Age International

Publications,

2. Computer Graphics & design by P. Radhakrishnan, C.P. Kothanadaraman, New

age publication

3. Computer Aided Manufacturing by Tien Chien Chang, Richard, Wang Pearson

Education

4. Computer Aided Analysis and Design of Machine Elements by Rao V. Dukkipati,

M. Ananda Rao, Rama Bhat, New Age International Publications

5. Finite Element Analysis by Chendraupatla, EEE Publication.

6. Fundamentals of Computer Aided Design, by Vikram Sharma, KATSON

educational series

7. Mathematical Elements for Computer Graphics - David F. Rogers & J. Alan

Adams McGraw Hill

8. CAD / CAM - Chris McMohan, Jimmie Brown Addison - Wesley

9. CAD/CAM Theory & Practice by Ibrahim Zeid, Tata Mc Graw Hill

10. CAD/CAM/CAE by Chougule N K, Scitech Publications Pvt. Ltd.

11. Technology of CAD / CAM - Dr. Surendrakumar & Dr. A.K.Jha - Dhanpat Rai

Sons

12. CAD/CAM: Computer Aided Design and Computer Aided Manufacturing by P K

Jain, S Chand & Co.


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B. E. SEMESTER: VI

Subject Name: Alternate Energy Sources


Sr. No.

Course Content Total

Hrs.

1. Introduction: Man and energy, energy forms, World’s and India’s production and reserves of energy, Global and national energy scenarios, Need for alternate sources.

03

2. Solar Energy: Solar geometry, extraterrestrial radiation, spectral distribution, solar radiation at the earth’s surface, earth-sun angles, derived solar angles, sunrise, sunset and day length,

03

2.1 Instruments for solar radiation measurements, estimation of average solar radiation, radiation on tilted surface. Solar collectors material, types and performance analysis,

03

2.2 Collector efficiency, overall loss coefficient, collector efficiency factor, solar air heaters- types, performance, applications, focusing collector and its types, tracking, performance, non-focusing type collectors, CPC, optical losses.

03

3. Applications of Solar Energy: Solar water heaters, heating and cooling of buildings, solar pumping, solar cooker, solar still, solar drier, solar refrigeration and A/C, solar pond, solar power plant, heliostat, solar furnace, solar chimney power plant, photovoltaic system for power generation, solar cell modules and arrays, solar cell types, material, applications, advantages and disadvantages.

04

4. Wind Energy: Introduction, power in wind, power coefficient, wind mills-types, design consideration, performance, site selection, advantages and disadvantages, applications, wind energy development in India.

03


(Theory)

(E)

Mid Sem Exam

(Theory)

(M)

Practical

(I)

3 0 0 3 70

30 50


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5. Biogas and Biomass: Introduction, types of biogas plants, biogas generation, factors affecting biogas generation, design consideration, advantages and disadvantages

04

5.1 site selection, applications, scope of biogas energy in India, biomass energy, energy plantation, gasification, types and application of gasifiers, design of gasifiers,

02

6. Ocean Energy Introduction, OTEC principle, open cycle OTEC system, closed cycle, hybrid cycle, site selection.

03

6.1Energy from tides, estimation of tidal power, tidal power plants, single basin, double basin, site requirements, advantages and limitations,

03

6.2wave energy, wave energy conversion devices, advantages and disadvantages, small scale hydro power

03

7. Geothermal Energy: Introduction, vapour dominated system, liquid dominated system, binary cycle, hot dry rock resources, magma resources, advantages and disadvantages, applications, geothermal energy in India: prospects

04

8. MHD Power Plants: Introduction, Principle of MHD power generation, open cycle plant, closed cycle plant, liquid metal system, advantages of MHD plants

03

9. Energy Management: Energy economics, energy audit, energy conservation, cogeneration, waste heat recovery, concept of total energy system, combined cycle plant, energy management, scope of alternate energy sources in India

04

Text Books: 1. Non- Conventional Energy Source by G. D. Rai , Khanna Pub.

2. Solar Energy by S. P. Sukhatme , Tata Mc Graw Hill Pub

3. Non conventional energy resources by B. H. Khan Tata Mcgraw Hill Pub

4. Principles of Solar Energy / Frank Krieth & John F Kreider John Wiley & sons,

New York.

Reference books

1. Solar Energy : Fundamentals and Applications by H.P. Garg & Jai Prakash,

TataMcGraw Hill

2. Solar Engineering of Thermal Processes by J.A. Duffic and W.A.Beckman, John

Wiley & sons, New York.

3. Alternate energy sources and application by N.K .Giri Khanna Pub

4. Non conventional energy sources by Raja et.al. Scitech Publications Chennai


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B. E. SEMESTER: VI

Subject Name: Control Engineering


Sr.

No. Course Content

Total

Hours

1. BASIC CONTROL SYSTEM: System differential equation of electrical, mechanical, thermal, hydraulic and electromechanical network, analogy

03

2. THEORY OF AUTOMATIC CONTROL: Concept of feedback referred to linear control systems in general, e.g. displacement and speed control, process control, definition and terminology, open loop and closed loop systems and its advantages,

04

2.1 Block diagrams and single flow graph representation of a physical system, block diagram algebra, transfer function from a block diagram. Basic control actions and controllers – on – off. Proportional, derivative and integral controllers, steady – state analysis,.

04

2.2 Transient response of first order and second order systems to step, ramp and sinusoidal input, steady state errors, Applications of Laplace transform methods, Reuth’s stability criteria and root locus methods improving system performance

05

3. 3. HYDRAULIC SYSTEM: Characteristic of hydraulic components control valves, sources of hydraulic power hydraulic meters, pistons and transmission, elements of circuit design, Accumulation control circuit such as position control and speed control circuit.

04

3.1 Hydraulic Systems: Reciprocating Pump, pressure intensifier, cranes, ram, press, lift, coupling and hydraulic controls. Maintenance of hydraulic system: Fire Foam resistance oxidation and corrosion of hydraulic pipe sealing devices, Filters regulator, problems caused by gas in hydraulic circuit cooling of power pack

04


(Theory)

(E)

Mid Sem Exam

(Theory)

(M)

Practical

(I)

3 0 0 3 70

30 50


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4. PNEUMATIC SYSTEMS: Pneumatic power supply, Amplifiers with different controlling actions, Pneumatic valves and cylinders, theory of four way and pilot valves.

04

5. ELECTRICAL SYSTEMS: Speed control of D.C. motors, Remote center positional serve mechanism (including effect of gearing between motor and load).

04

6. MICROPROCESSOR BASED DIGITAL CONTROL: State space analysis optional and adaptive control systems – Industrial logic control system - programmable logic controller and its applications.

03

7. FUZZY LOGIC: Concept of fuggy logic, basic notions, linguistic variables of fuggy control comparison of design methodology, examples and case study

03

7.1Control Systems for mechanical engineering systems like thermal power plants ,boiler, refrigeration plants , central air-conditioning plants and automobiles.

03

8. CONTROL COMPONENTS: Pneumatic relays, control mechanisms for liquid level, boiler feed control, pressure regulation, throttle valve, temperature regulations and industrial process regulation.

04

Text Books:

1. Modern Control Engineering, By Ogata K, Pearson Education

2. Control Systems Engineering By Nagrath & Gopal, New Age

International Publishers

Reference Books:

1. Automatic Control System By Kuo, Benjamin.C, Prentice Hall

2. Control Systems Engineering By Nise, Norman S John wiley & Sons,

New York

3. Control Systems Engineering By S K Bhattacharya , Pearson Education

4. Control Engineering By D.Ganesh Rao, K. Chennavenkatesh

Pearson Education


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B. E. SEMESTER: VI


Subject Name: Heat & Mass Transfer


Sr. No


1.

Fourier’s law of heat conduction, effect of temperature on thermal conductivity of metals, refractory and building materials, liquid and gases, derivation of generalized equation in Cartesian coordinates and its reduction to specific cases, three dimensional heat conduction equations in cylindrical and spherical co-ordinates

2

2. One dimensional steady state conduction, heat conduction through plane and

composite walls, hollow and composite cylinders, hollow and composite

spheres, electrical analogy, overall heat transfer coefficient

2

3. Critical thickness of insulation, transient heat conduction- lumped heat

capacity analysis, time constant, transient heat conduction in solids with finite

conduction and convective resistances.

3

4. Types of fin, heat flow through rectangular fin, infinitely long fin, fin insulated

at the tip and fin losing heat at the tip, efficiency and effectiveness of fin, Biot

number, Estimation of error in temperature measurement in a thermometer

well.

4

5. Newton’s law of cooling, Dimensional analysis applied to forced and free

convection, dimensionless numbers and their physical significance, empirical

correlations for free and forced convection

4

6. Continuity, momentum and energy equations, thermal and hydrodynamic

boundary layer, blasius solution for laminar boundary layer, Von-Karman

integral momentum equation.

5

7. Absorptivity, reflectivity and transmissivity, black, white and grey body,

emissive power and emissivity, laws of radiation – Planck, Stefan-Boltzmann,

Wein’s displacement, Kirchoff, intensity of radiation and solid angle,

Lambert’s cosine law

4


(Theory)

(E)

Mid Sem Exam

(Theory)

(M)

Practical

(I)

3 0 2 5 70

30 50


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8. Radiation heat exchange between black bodies, shape factor, heat exchange

between non-black bodies- infinite parallel planes and infinite long concentric

cylinders, radiation shield, heat exchange between two grey surfaces,

electrical analogy.

5

9. Types, heat exchanger analysis, LMTD for parallel and counter flow

exchanger, condenser and evaporator, overall heat transfer coefficient,

fouling factor, correction factors for multi pass arrangement, effectiveness

and number of transfer unit for parallel and counter flow heat exchanger,

introduction to heat pipe, compact heat exchangers

6

10. Boiling regimes, bubble growth, nucleate boiling, critical heat flux, film pool

boiling, forced convection boiling . Film wise and drop wise condensation,

laminar film condensation on vertical plate, turbulent film condensation, film

condensation on tubes.

5

11. Modes of mass transfer, concentrations, velocities and fluxes, Fick’s law,

general equation of mass diffusion in stationary media, steady state diffusion

through a plain membrane, steady state equimolar counter diffusion,

isothermal evaporation of water into air from a surface, mass transfer

coefficient, convective mass transfer.

5

Text Books:

1. Heat & Mass Transfer by R.K. Rajput, S. Chand & Co. New Delhi.

2. Heat & Mass Transfer by R. C. Sachdeva, New Age International, New Delhi

3. Heat & Mass Transfer by B.K. Venkanna, PHI Learning, New Delhi.

Reference Books:

1. Heat & Mass Transfer by P.K. Nag, Tata McGraw Hill, New Delhi.

2. Heat & Mass Transfer by Arora & Domkundwar, Dhanpat rai and Co., NewDelhi

3. Heat & Mass Transfer by Mills and Ganesan, Pearson Publication, New Delhi

4. Engineering Heat & Mass Transfer by M.M. Rathore, Laxmi Prakshan

5. Heat & mass transfer by by D.S. Kumar, S.K. Kataria & Sons

6. Heat transfer by B.L. Singhal, Techmax, publication, Pune

7. Heat transfer by Dr. A.S. Padalkar, Nirali Prakashan, Pune.


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B. E. SEMESTER: VI


Subject Name: Industrial Engineering


Sr. No


1.

Location Selection and Plant Layout: Nature of Location Decision, Importance of Plant Location, Dynamic Nature of Plant Location, Choice of site for selection, State regulations on location, Government policies on decentralization. Industrial Estates, Economic Survey of Site selection, SEZ, Comparison of location,

03

1.1 Principles of Plant layout and Types, factors affecting layout, methods, factors governing flow pattern, travel chart, analytical tools of plant layout, layout of manufacturing shop, repair shop and services sectors.

03

2. Production Planning and Control:

Introduction : Types of production systems and their characteristics functions and objectives of P.P.C., product design and development including standardization and simplification,

03

2.1 Sales forecasting, concept, techniques, application, production planning and process planning,

03

2.2 Sequencing, loading and scheduling, techniques and their selection, line of balance, assembly line balancing, dispatching, progress control.

04

3. Productivity and Work Study: Definition of productivity, application and advantages of productivity improvement tools, reasons for increase and decreases in productivity. Areas of application of work study in industry. Reaction of management and labour to work study.

03


(Theory)

(E)

Mid Sem Exam

(Theory)

(M)

Practical

(I)

3 0 0 3 70

30 50


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3.1 Method Study: Objectives and procedure for methods analysis, Recording techniques, Micro motion and macro-motion study: Principles of motion economy, Normal work areas and work place design.

04

3.2 Work Measurement: Objectives, Work measurement techniques - time study, work sampling, pre-determined motion time standards (PMTS) Determination of time standards. Observed time, basic time, normal time, rating factors, allowances, and standard time. introduction to ergonomics

04

4. Job Evaluation and Wage Plan: Objective, Methods of job evaluation, job evaluation procedure, merit rating (performance appraisal), method of merit rating, wage and wage incentive plans

03

5. Industrial Legislation Need for Industrial legislation, Factories act 1948, Industrial dispute act 1947, The Indian trade unions act 1926, Industrial employment act 1946, Payment of wage act 1936, Workmen compensation act 1923, Payment of bonus act 1965, Employees provident fund scheme 1952,

03

6. Inspection and Statistical Quality Control: Inspection – functions, types, objectives and benefits, quality control – principles, Concepts of quality circles, Total quality management, Quality assurance, Quality audit, ISO, and six sigma.

03

6.1 SQC Concept, variable and attributes, normal distribution curves and its property charts for variable and attributes and their applications and interpretation (analysis) process capability,

04

6.2 Acceptance sampling, sampling plans, OC curves and AOQ curves. 03

7. Entrepreneurship: Concept, product identification, infrastructure facilities, preparation of project report, sources of industrial finance, Resources allocation, Government incentives to entrepreneurs.

02

Text Books:

1. Industrial Engineering and Production Management – By M. Mahajan, Dhanpat

Rai & Co.

2. Industrial Engineering and Production Management Martand Telsang S Chand &

company.

3. Industrial Engineering and Production Management by Banga and Sharma,

Khanna publishers.


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Reference Books:

1. Production System, Planning, Analysis and Control – By J.L. Riggs 3

rd ed. Wiley

2. Industrial Engineering and Organization Management by S K Sharma, Savita

Sharma, KATSON Books

3. Industrial Engineering and Management by Dr. B.Kumar Khanna Publishers

.


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