User talk:Alokkumarjha091

Nagpur University Syllabus Bachelor of Engineering (Mechanical Engineering) Semester Pattern 3rd Semester 3 ME1 – Applied Mathematics III Unit I (7-8 Hours) Laplace Transform – Definition and its properties, Transform of derivatives and integrals, Evaluation of integrals by LT. Lt of periodic functions and unit step function, Application of Laplace transform to solve ordinary differential equations and partial differential equations (one dimensional wave and diffusion equations) Unit II (7-8 Hours) Z- Transform – Definition and properties, inversion, relation with Laplace Transform. Application to solve difference equation with constant coefficient. Fourier Transform – Definition, Fourier Integral Theorem, Fourier Since and Cosine Integrals, Finite Fourier Since and Cosine Transform, Parseval’s Identity, Convolution Theorem Unit III (7-8 Hours) Complex Variable – Analytic function cauchy Riemann Conditions, conjugate functions, singularities, Cauchy’s Integral Theorem and Cauchy’s Integral Formula. Taylor’s and Laurent’s Theorem (statement only) Residue Theorem, Contour Integration, Evaluation of real and complex integrals by Residue theorem, Conformal mapping, Mapping by linear and inverse Transformation. Unit IV (7-8 Hours) Unit V (7-8 Hours) Special Functions and Series solution. – Series solution of differential equation by Frobaniou’s method, Bessel’s Function Legendre’s Polynomials Recurrence Relations, Rodrigue’s Formula, Generating Functions Orthogonal Properties of Jn(x) and Pn(x). Unit VI (7-8 Hours) Fourier Series – Periodic Function and their Fourier series expansion, Fourier Series for even and odd functions, Change of interval, half range expansions. Partial Differential Equations – PDE of first and first degree i.e. Lagrange’s form, linear homogeneous equations of higher order with constant coefficient. Method of separations of variables, applications to one – dimensional heat and diffusion equation. Two – dimensional Heat Equations (only steady state). Text Books : 1] Higher Engineering Mathematic : B.S. Grewal; 2] Advanced Engineering Mathematics : Kreyszig Reference Books : 1] Mathematics of engineers : Chandrika Prasad 2] Advanced Mathematics for Engineers : Chandrika Prasad 2ME2-Theory of Machines – I Unit I (8 Hrs.) Basic concept of mechanism, link, kinematic pairs, kinematic chain, mechanism, machine, simple and compound chain, Degree of freedom, estimation of degree of freedom of mechanism by Grubbler’s criterion and other methods. Harding’s notations, classification of four bar chain [class – I & class – II], inversion of four – bar – chain, Kutchbach theory of multiple drives, energy paths. Various types of mechanism such as Geneva wheel, Pawal and ratchet mechanism, Exact straight line mechanism, Approx. straight line mechanism, steering mechanism, Transport mechanism. Unit II (7 Hrs.) Quantitative kinematic analysis of mechanism :- Displacement, Velocity and Acceleration analysis of planer mechanism by graphical method as well as analytical method [complex number method / matrix method’], Coriolis component of acceleration, Instantaneous center method, Kennedy’s theorem. Unit III (8 Hrs.) Concepts of cam mechanism, comparison of cam mechanism with linkages. Types of cams and followers and applications. Synthesis of cam for different types of follower motion like constant velocity, parabolic, SHM, cycloidal etc. Analysis of follower motion for cams with specified contours like eccentric cam, tangent cam, and circular arc cm with concave and convex curvature. Pressure angle in cam, parameters affecting cam performance. Unit IV (7 Hrs.) Concept of motion transmission by toothed wheels, comparison with cams and linkages, various tooth profiles, their advantages and limitations, gear tooth terminologies, concept of conjugate action, law of conjugate action, kinematics of involutes gear tooth pairs during the contact duration, highlighting locus of the point of contact, arc of contact, numbers of pairs of teeth in contact, path of approach and path of recess, interference, undercutting for involutes profile teeth. Unit V (7 Hrs.) Kinematics of helical, bevel, spiral, worm gears, rack and pinion gears, kinematic analysis, and torque analysis of simple epicyclic and double epicyclic gear trains. Unit VI (8 Hrs.) Static force analysis : Free body diagram, condition of equilibrium. Analysis of all links of given linkage, cam, gear mechanism and their combinations without friction. Introduction to coupler curves, Robert’s Law of cognate linkages. Synthesis of four bar chain for gross motion, transmission angle optimization. Frudenstein equation and its application for function generation. List of Tutorials 1] Drawing sheets on Inversion of I] Class I & Class II four bar cham Ii] Single slider crank chain Iii] Double slider crank chain 2] Problems on kinematic analysis I] Graphical method Ii] Analytical method 3] Cam constructions 4] Cams with specified contour 5] Analysis of epicyclic gear train with torque analysis 6] Problems on static force analysis I] Linkages Ii] Cam Iii] Gear 7] Problems on synthesis I] Graphical method Ii] Analytical method Recommended Books 1] Theory of mechanisms and machines by Shigley J.E. 2] Theory of Mechanism and Machine by Ghosh and Malik 3] Mechanism and Machine Theory by J.S. Rao & Dukki Patti 4] Theory of Machine by Rattan Reference Books 1] Theory of Machine by Thoman Bevan CBS publication 2] Theory of Machines by Sandor and Erdman. 3 ME3 – Fluid Power I Unit I (7 Hrs.) Introduction to Fluid Mechanics : Properties of fluids, Newton’s Law of viscosity and its application, Dimensional analysis, Dimensional hoinoreneity, Buckingham’s and Raleigh method. Pascal’s law, Basic equation of fluid statics, Fluid pressure and its measurement (Manometers and Bourdon’s pressure gauge). Unit II (7 Hrs.) Hydrostatics : Pressure variations in compressible and incompressible fluids, Forces on submerged plane surfaces and curved surfaces, Buoyancy, Stability of floating and submerged bodies, Oscillation of floating bodies. Relative Equilibrium : Pressure distribution in a liquid subjected to acceleration, Pressure distribution in a liquid subjected to rotation. Unit III (8 Hrs.) Kinematics Of Fluid Flow : Types of flow, Stream line, Path line, Streak line, Stream tube, Continuity equation, One and Two dimensional flow, Velocity and Acceleration at a point, Potential lines, Flow net, Stream function, Velocity potential, Circulation, Vortex motion. Dynamics Of Fluid Flow : One dimensional method for flow analysis, Euler’s equation of motion, Derivation of Bemoulli’s equation for incompressible flow and its applications. Unit IV (7 Hrs.) Measurement of Fluid Flow : Through ducts or pipes : Venturi meter, Orifice meter, Pitot tube. Through reservoirs : Orifice, Mouthpiece. Through open channels : Discharge over Notches (Triangular, Rectangular, and Trapezoidal only) Rotameter, Vane Anemometer, and Turbine meter. Error analysis in flow measurements. Unit V (8 Hrs.) Viscous Flow : Introduction to laminar and turbulent flow, Reynolds number and its significance, Boundary layer concept, Wall shear and boundary layer thickness, Displacement thickness and Momentum thickness, Momentum integral equations for the boundary layer (Von Karman), Separation, Drag and Lift on immersed bodies. Flow of viscous fluids through parallel plates, Pipes, Kinetic energy correction factor, Momentum energy correction factor. Unit VI (8 Hrs.) Flow Through Pipes : Equations for pipe flow, Friction charts and their uses, Losses in pipes and fittings Hydraulic gradient lines and total energy lines, Pipes in series and parallel. Siphon, Water hammer phenomenon, Economics of pipe systems. Power Transmission Through Pipeline : condition for maximum power transmission through a given pipeline (single pipe), Relationship of nozzle diameter to pipe diameter for maximum power transmission. Books Recommended : Engineering Fluid Mechanics – K.L. Kumar, Eph, Publication Fluid Machines – Frank. M. White. Fluid Mechanics and Fluid Power Engineering – D.S. Kumar – S.k> kataria Pub. Basic Fluid Mechanics – C.P. Kothandaram and R. Rudramoorthy – New Age Pub. Fluid Mechanics for Engineers – P.N. Chatterjee – Mecmillan India Ltd. Fluid Mechanics – J.F. Douglas, J.M. Gasiorek and J.A. Swaffield – ELBS Pub. Mechanics of Fluids – B.S. Massey – ELBS Pub. Fluid Mechanics – A.K. Mohanty – Prentice Hall Pub. Fluid Mechanics – A.K. Jain Tutorials : Applications based on fluid properties such as block sliding over inclined plane, capillary phenomenon etc. Study of force on gates. Study of Manometers. Study of stability of floating bodies and submerged bodies Determination of coefficient of discharge of flow meters. Verification of Bernoulli’s equation. Stoke’s law. Case study of pipe net work. Quasi-static flow. Reynold’s number and its significance. Losses in pipes (Hageon Pois. Equation). 3ME4 – Manufacturing Process I Unit I [7 Hrs.] Introduction to Machining Parameters : Introduction to machining, tools materials, nomenclature and tools geometry of single point cutting tool, tool materials properties, classification, HSS, carbide tool, coated tools, diamond coated tool, coolant materials. Unit II [8 Hrs.] Lathe : Introduction, type, construction of simple lathe, mechanism and attachments for various operations, machine specifications, basis for selection of cutting speed, feed and depth of cut, time estimation for turning operations such as facing, step turning, taper turning, threading, knurling. Unit III [7 Hrs.] Shaper : Introduction, type, specification, description of machines, hydraulic drives in shapers, cutting parameters. Mechanism of shaper : Quick return mechanism, Crank & Slotted link mechanism, Table feed mechanism, attachments for shaper, work holding devices, shaper operations, time estimation for shaping operations. Slotter : Introduction, specifications, description, type of drives for slotter, types of slotting machines production slotter, puncher slotter, tool room slotter, slotter tools. Planer : Introduction, specifications, description, type of planner, standard planner, open side planner, pit planner, Mechanism for planner : Driving mechanism, feeding mechanism, planner cutting tools, cutting parameters. Unit IV [8 Hrs.] Milling : Introduction, specifications, types, column and knee type milling machine, fixed bed type milling machines, production milling machines, special purpose milling machines such as thread milling machines, profile milling machine, Gear Milling / Hobbing machines. Mechanisms and Attachments for Milling. Cutting parameters, Types of milling operations, Types of milling cutters, Tool geometry and their specifications. Indexing – simple, compound and differential. Unit V [ 8 Hrs.] Grinding operations, grinding wheel, specifications and selection, cylindrical and centreless grinding operation, surface grinding, tool and cutter grinding, time estimation for grinding operations. Super finishing process : Honing, Lapping, super finishing, polishing, buffing, metal spraying, galvanizing and electroplating. Process parameters and attainable grades of surface finish, surface roughness measurement. Unit VI [ 7 Hrs.] Drilling : Introduction, tools for drilling, classification of drills, twist drills, drill size and specifications, carbide tipped drills, type of drilling machines – portable drilling machine, bench drilling machine, upright drilling machine, radial drilling machine, universal drilling machine, multispindling drilling machine, Drilling machines operations, time estimation for drilling. Reaming : Introduction, description of reamers, type of reaming operations. Boring : Introduction, types of boring machine, horizontal boring machine, vertical boring machine, jig boring machine, micro boring, boring operations. Broaching : Introduction, type of broaches, nomenclature of broaches, type of broaching machines. 1] Manufacturing Technology (Metal Cutting and Machine Tools) – P.N. Rao 2] Manufacturing science – Ghosh and Malik 3] Workshop Technology (Volume – II) – By Hajra Choudhary Reference Books 1] Manufacturing Engineering and Technology – S. Kalpakjian and SR Schmid 2] Technology of machine Tools – Krar and Oswald 3] Manufacturing Processes – M Begman 4] Processes and Materials of Manufacture – R. Lindberg 5] Production Technology – HMT 6] Workshop Technology (Volume I & II) – By Bawa Practical 1] Study of single point cutting tool 2] Tools for left hand and right hand turning 3] Tools for external and internal turning (Boring) 4] Study of cutting tool manual (any one) 5] Study of mechanisms in Lathe 6] Study of mechanism in drilling 7] Study of mechanism in shaper 8] Study of mechanism in milling 9] Practical on turning involving facing, step turning, taper turning, boring, boring with internal steps and taper, drilling (on lathe), internal and external threading 10] Practical on Shaper with exposure to auto feed 11] Practical on Milling machine – Gear Milling 12] Practical on use of drilling machines Tutorials 1] Geometry and nomenclature of various tools 2] Time estimation for lathe, shaper and planer operations 3] Time estimation for milling, drilling and grinding operations 4] Study of cutting parameters and their effect on machining 5] Selection of process for machine components 3ME5 – Engineering Metallurgy Unit I [5 Hrs.] Introduction to materials, classification of materials. Properties and applications of materials. Crystalline nature of metals, specially microscopic and macroscopic examinations of metals. Alloys and solid solutions, types and their formations, modified Gibbs’s phase rule, Lever rule for phase mixtures and their application in system. Unit II [8 Hrs.] Study of equilibrium diagrams and invariant reactions. Iron-Iron carbide equilibrium diagram, critical temperatures. Microstructure of slowly cooled steels, Estimation of carbon for microstructures; structure property relationship. Classification and applications of steels. Effect of alloying elements, specifications of some commonly unused steels for Engineering applications (e.g. En. ISI, ASTM, IS etc.) with examples. Unit III [8 Hrs.] Classification and application of plain carbon steels. Examples of alloy steels such as Hadfield Manganese Steel, ball Bearing Steels, Maraging Steels, Spring Steels, etc. Tool Steels – Classification, composition, application and commercial heat treatment practice for HSS, Secondary hardening. Stainless Steels – Classification, composition, application and general heat treatment practice for Stainless Steels. Unit IV [8 Hrs.] Heat treatment and its importance. Annealing, Normalizing, Hardening, Quench Cracks, Hardenability test. TTT diagram and its construction and related Heat Treatment Processes such as Austempering, Martempering, Patenting etc. Retention of Austenite, Effects and elimination of retained austenite, Tempering. Case / Surface hardening treatments such as Carburizing, Nit riding, Cyaniding, Carbonitriding, Flame and Induction hardening. Unit V [8 Hrs.] Cast Iron – Classification, White cast Iron, Gray Cast Iron, Nodular Cast Iron, Malleable Cast Iron, Chilled and alloy Cast Iron. (Production route, Composition, Microstructure and applications) Effects of various parameters on structure and properties of Cast Iron, Alloy cast Iron such as Ni-resist, Ni-hard. Non – Ferrous Alloys – Study of non-ferrous alloys such as brasses (Cu-Zn diagram), Bronzes (Cu-Sn diagram), Aluminum Alloys (e.g. Al-Si and Al-Cu diagram), Bearing materials. Unit VI [8 Hrs.] Tension Test – Engineering and True Stress Strain Curve conversion relationship, evaluation of properties. Numerical based on tension and compression test Types of Engineering Stress Strain Curves. Compression Test. Hardness Test – Brinell, Vickers and Rockwell Introduction to Charpy and Izod Impact Test Introduction to Non – destructive tests. 3 ME6 – Computer Application I Unit I [7-8 Hours] Introduction to Algorithm, Expressing algorithm, narrative description, flowchart, an algorithm language. Data, data types and primitive operations. Variables and expressions. From algorithm to program. Decision structures, sub algorithms. Unit II [7-8 Hours] Composite Data Structures. Arrays and vector sorting algorithms. 1-2 Dimensions. Unit III [7-8 Hours] Linear Data Structures, Linked List, Stacks, Queues, Recursion Unit IV [7-8 Hours] Non-linear Data Structures, Trees, General Trees and their searching techniques. Unit V [7-8 Hours] File handling – Record organization, Sequential, Index files and Random access files. Unit VI [7-8 Hours] Object Modeling – Basics of OOPS, with relation to modeling of objects. Recommended Books Introduction to Computer Science : An Algorithmic Approach – J.P. Tremblay and R.B. Bunt Algorithms and Data Structures – Horonitz Sahany Data Structures and Algorithm – A.V. Aho, J E Hopcioft, J.D. Ullman Algorithms and Data Structures – Niklaus Wirth Reference Books Data Structures and Program Design – R. L. Kruse Object Modeling – Rambaug An Introduction to Data Structures with applications – Tremblay and Sonerson Tutorials Programming in C/C++ or any other suitable package based on above syllabus. Two programs for each unit are expected. Practicals Algorithm and Program Development Programs are expected in any suitable language preferably C or c++. At least one program is expected from each topic of following list. Control Structures Arrays Sorting Techniques Searching Techniques File Handling Non Linear Data Structures Liner Data Structures Numeric Computation Recursion OOPS 3ME7- Industrial Visit Students should be taken for visit to Industries. Visits to minimum two different types of industries are expected. Students should submit a visit report in the format given below after the visit. Preferably they should make a presentation. Report should consist of 1. Name of Industry 2. Nature of ownership 3. Year of establishment 4. List of finished products 5. Annual turnover of company 6. Number of employees 7. List of departments / sections 8. Classification of Industry a. Based on turnover b. Based on product/process 9. List of major machines / equipment 10. List of raw material used 11. Sequence of operation (with brief description of operations) of at least one product / process. (Alokkumarjha091 (discuss • contribs) 14:12, 16 July 2012 (UTC)).