JNTUK R19 2-2 Design of Machine Members-I Material PDF Download

Students those who are studying JNTUK R19 Mechanical Branch, Can Download Unit wise R19 2-2 Design of Machine Members-I (DMM-I) Material/Notes PDFs below.

JNTUK R19 2-2 Design of Machine Members-I Material PDF Download

OBJECTIVES:

• The student shall gain appreciation and understanding of the design function in mechanical engineering, the steps involved in designing and the relation of design activity with manufacturing activity
• Able to select proper materials to different machine elements based on their physical and mechanical properties.
• Learn and understand of the different types of failure modes and criteria.
• Procedure for the different machine elements such as fasteners, shafts, couplings, keys, axially know loaded joints etc.
• To be able to know standards in design.

UNIT-1

INTRODUCTION: General considerations in the design of Engineering Materials and their properties – selection –Manufacturing consideration in design–BIS codes of steels.

STRESSES IN MACHINE MEMBERS: Simple stresses – combined stresses – torsional and bending stresses – impact stresses – stress strain relation – various theories of failure – factor of safety – design for strength and rigidity – preferred numbers. the concept of stiffness in tension, bending, torsion and combined situations – static strength design based on fracture toughness.

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UNIT-2

STRENGTH OF MACHINE ELEMENTS: Stress concentration – theoretical stress concentration factor – fatigue stress concentration factor notch sensitivity – design for fluctuating stresses – endurance limit – estimation of endurance strength – goodman’s line – soderberg’s line – modified goodman’s line, Gerber’s parabola.

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UNIT-3

RIVETED AND WELDED JOINTS – design of joints with initial stresses – eccentric loading. Bolted joints – design of bolts with pre-stresses – design of joints under eccentric loading – locking devices – bolts of uniform strength. KEYS, COTTERS AND KNUCKLE JOINTS: Design of keys-stresses in keys-cotter joints-spigot and socket, sleeve and cotter, jib and cotter joints- knuckle joints.

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UNIT-4

SHAFTS: Design of solid and hollow shafts for strength and rigidity – design of shafts for combined bending and axial loads – shaft sizes – BIS code. Use of internal and external circlips, gaskets and seals (stationary & rotary).

SHAFT COUPLING: Rigid couplings – muff, split muff and flange couplings: rigid flanged coupling, protected rigid flanged coupling, Bushed pin type flexible coupling.

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UNIT-5

MECHANICAL SPRINGS: Stresses and deflections of helical springs – extension -compression springs – springs for fatigue loading, energy storage capacity – helical torsion springs – co-axial springs, leaf springs.

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TEXT BOOKS:

1. Machine Design/ Shigley, J.E/McGraw Hill
2. Machine Design/V.B.Bhandari/ McGrawHill Education

REFERENCE BOOKS:

1. Machine design / Schaum Series/McGrawHill Professional
2. Machine Design / Norton/ Pearson publishers
3. Machine design / NC Pandya & CS Shah/Charotar Publishing House Pvt. Limited

OUTCOMES:

• Calculate different stresses in the machine components subjected to various static loads, failures and suitability of a material for an engineering application.
• Calculate dynamic stresses in the machine components subjected to variable loads.
• Design riveted, welded, bolted joints, keys, cotters and knuckle joints subjected to static loads and their failure modes
• Design the machine shafts and suggest suitable coupling for a given application.
• Calculate stresses in different types of springs subjected to static loads and dynamic loads.

JNTUK R19 2-2 Metal Cutting & Machine Tools Material PDF Download

Students those who are studying JNTUK R19 Mechanical Branch, Can Download Unit wise R19 2-2 Metal Cutting & Machine Tools (MC&MT) Material/Notes PDFs below.

JNTUK R19 2-2 Metal Cutting & Machine Tools Material PDF Download

OBJECTIVES:

• The course provides students with fundamental knowledge and principles in material removal processes.
• In this course, the students apply the fundamentals and principles of metal cutting to practical applications through multiple labs using lathes, milling machines, grinding machines, and drill presses, Computer Numerical Control etc
• To demonstrate the fundamentals of machining processes and machine tools.
• To develop knowledge and importance of metal cutting parameters.
• To develop fundamental knowledge on tool materials, cutting fluids and tool wear mechanisms.
• To apply knowledge of basic mathematics to calculate the machining parameters for different machining processes.

UNIT-1

FUNDAMENTAL OF MACHINING: Elementary treatment of metal cutting theory – element of cutting process – Single point cutting tools, nomenclature of single point cutting tool, tool signature, tool angles, mechanism of metal cutting, types of chips and chip formation – built up edge and its effects, chip breakers, mechanics of orthogonal and oblique cutting –Merchant’s force diagram, cutting forces, velocity ratio, cutting speeds, feed, depth of cut, tool life, Taylor’s tool life equation, simple problems – Tool wear, tool wear mechanisms, heat generation in metal cutting, coolants, machinability, economics of machining, tool materials and properties.

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UNIT-2

LATHE MACHINES: Introduction- types of lathe – Engine lathe – principle of working – construction – specification of lathe – work holders and tool holders – accessories and attachments – lathe operations – taper turning methods and thread cutting – drilling on lathes – cutting speed and feed – constructional features of speed gear box and feed gear box – turret and capstan lathes – collet chucks – other work holders – tool holding devices – box and tool layout- principal features of automatic lathes – classification – single spindle and multispindle automatic lathes – tool layout and cam design for automats.

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UNIT-3

SHAPING, SLOTTING AND PLANNING MACHINES: Introduction – principle of working – principle parts – specifications – operations performed – slider crank mechanism – machining time calculations.

DRILLING & BORING MACHINES: Introduction – construction of drilling machines – types of drilling machines – principles of working – specifications- types of drills – geometry of twist drill – tool holding devices – operations performed – tool holding devices – cutting speed and feed – machining time calculations – Boring Machines – fine Boring Machines – jig boring machines – deep hole Drilling Machines.

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UNIT-4

MILLING MACHINES: Introduction – principle of working – specifications – milling methods – classification of Milling Machines – principle features of horizontal, vertical and universal Milling Machine, machining operations, types of cutters – geometry of milling cutters – methods of indexing, accessories to milling machines – cutting speed and feed – machining time calculations.

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UNIT-5

FINISHING PROCESSES: Introduction – theory of grinding – classification of grinding machinescylindrical and surface grinding machines- tool and cutter grinding machines- different types of abrasives- bonds, specification and selection of a grinding wheel-lapping, Honing & Broaching operations- comparison to grinding.

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TEXT BOOKS:

1. Manufacturing Engineering and Technology -Kalpakjian S & Steven R Schmid/Pearson Publications 7th Edition
2. Manufacturing Technology Vol-II/P.N Rao/Tata McGraw Hill

REFERENCE BOOKS:

1. Metal cutting and machine tools /Geoffrey Boothroyd, Winston A.Knight/ Taylor & Francis
2. Production Engineering/K.C Jain & A.K Chitaley/PHI Publishers
3. Technology of machine tools/S.F.Krar, A.R. Gill, Peter SMID/ TMH
4. Fundamentals of modern manufacturing – Mikell P Groover – John Wiley & sons -5th edition

OUTCOMES:

• CO1: Learned the fundamental knowledge and principals in material removal process.
• CO2: Acquire the knowledge on operations in conventional, automatic, Capstan and turret lathes
• CO3: capable of understanding the working principles and operations of shaping, slotting, planning , drilling and boring machines.
• CO4: able to make gear and keyway in milling machines and understand the indexing mechanisms
• CO5: Understand the different types of unconventional machining methods and principles of finishing processes.

JNTUK R19 2-2 Fluid Mechanics & Hydraulic Machines Material PDF Download

Students those who are studying JNTUK R19 Mechanical Branch, Can Download Unit wise R19 2-2 Fluid Mechanics & Hydraulic Machines (FM&HM) Material/Notes PDFs below.

JNTUK R19 2-2 Fluid Mechanics & Hydraulic Machines Material PDF Download

OBJECTIVES:

• The students completing this course are expected to understand the properties of fluids, its kinematic and dynamic behavior through various laws of fluids like continuity, Euler’s, Bernoulli’s equations, energy and momentum equations. Further, the student shall be able to understand the theory of boundary layer, working and performance characteristics of various hydraulic machines like pumps and turbines.

UNIT-1

Objective: After studying this unit student will know the concept of fluid and its properties, manometry, hydrostatic forces acting on different surfaces and also problem solving techniques.

Fluid statics: Dimensions and units: physical properties of fluids – specific gravity, viscosity and its significance, surface tension, capillarity, vapor pressure. Atmospheric, gauge and vacuum pressure, Measurement of pressure – Manometers – Piezometer, U-tube, inverted and differential manometers. Pascal’s & hydrostatic laws. Buoyancy and floatation: Meta center, stability of floating body. Submerged bodies. Calculation of metacenter height. Stability analysis and applications.

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UNIT-2

Objective: In this unit student will be exposed to the basic laws of fluids, flow patterns, viscous flow through ducts and their corresponding problems.

Fluid kinematics: Introduction, flow types. Equation of continuity for one dimensional flow, circulation and vorticity, Stream line, path line and streak lines and stream tube. Stream function and velocity potential function, differences and relation between them. Condition for irrotational flow, flow net, source and sink, doublet and vortex flow.

Fluid dynamics: surface and body forces –Euler’s and Bernoulli’s equations for flow along a stream line, momentum equation and its applications, force on pipe bend.

Closed conduit flow: Reynold’s experiment- Darcy Weisbach equation- Minor losses in pipes- pipes in series and pipes in parallel- total energy line-hydraulic gradient line.

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UNIT-3

Objective: At the end of this unit student will be aware of the concepts related to boundary layer theory, flow separation, basic concepts of velocity profiles, dimensionless numbers and dimensional analysis.

Boundary Layer Theory: Introduction, momentum integral equation, displacement, momentum and energy thickness, separation of boundary layer, control of flow separation, Stream lined body, Bluff body and its applications, basic concepts of velocity profiles.

Dimensional Analysis: Dimensions and Units, Dimensional Homogeneity, Non dimensionalization of equations, Method of repeating variables and Buckingham Pi Theorem.

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UNIT-4

Objective: In this unit student will know the hydrodynamic forces acting on vanes and performance evaluation of hydraulic turbines.

Basics of turbo machinery: hydrodynamic force of jets on stationary and moving flat, inclined, and curved vanes, jet striking centrally and at tip, velocity diagrams, work done and efficiency, flow over radial vanes.

Hydraulic Turbines: classification of turbines, impulse and reaction turbines, Pelton wheel, Francis turbine and Kaplan turbine-working proportions, work done, efficiencies, hydraulic design – draft tube- theory- functions and efficiency.

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UNIT-5

Objective: After studying this unit student will be in a position to understand the characteristic curves of hydraulic turbines and also evaluate the performance characteristics of hydraulic pumps.

Performance of hydraulic turbines: Geometric similarity, Unit and specific quantities, characteristic curves, governing of turbines, selection of type of turbine, cavitation, surge tank, water hammer. Hydraulic systems- hydraulic ram, hydraulic lift, hydraulic coupling. Fluidics – amplifiers, sensors and oscillators. Advantages, limitations and applications.

Centrifugal pumps: classification, working, work done – manometric head- losses and efficienciesspecific speed- pumps in series and parallel-performance characteristic curves, cavitation & NPSH.

Reciprocating pumps: Working, Discharge, slip, indicator diagrams.

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TEXT BOOKS:

1. Fluid Mechanics- Fundementals and Applications by Y.A. Cengel, J.M.Cimbala, 6th Edn, McGrawHill
2. Fluid Mechanics – Dixon, 7th Edn, Elesvier

REFERENCE BOOKS:

1. Hydraulics, fluid mechanics and Hydraulic machinery- Modi and Seth
2. Fluid Mechanics and Hydraulic Machines – RK Bansal- Laxmi Publications (P) Ltd.
3. Fluid Mechanics and Hydraulic Machines – Rajput
4. Fluid Mechanics and Fluid Power Engineering – D.S. Kumar, Kotaria & Sons.
5. Fluid Mechanics and Machinery – D. Rama Durgaiah, New Age International.

OUTCOMES:

• CO1: The basic concepts of fluid properties.
• CO2: The mechanics of fluids in static and dynamic conditions.
• CO3: Boundary layer theory, flow separation and dimensional analysis.
• CO4: Hydrodynamic forces of jet on vanes in different positions.
• CO5: Working Principles and performance evaluation of hydraulic pump and turbines.

JNTUK R19 2-2 Applied Thermodynamics Material/Notes PDF Download

Students those who are studying JNTUK R19 Mechanical Branch, Can Download Unit wise R19 2-2 Applied Thermodynamics Material/Notes PDFs below.

JNTUK R19 2-2 Applied Thermodynamics Material/Notes PDF Download

OBJECTIVES:

• This course is intended to study the thermodynamic analysis of major components of Rankine cycle, refrigeration cycles and compressible fluids and to analyze the energy transfers and transformations in these components including individual performance evaluation.

UNIT-1

VAPOUR POWER CYCLES: Carnot, Rankine cycle – schematic layout, thermodynamic analysis, concept of mean temperature of heat addition, methods to improve cycle performance – regeneration & reheating.

COMBUSTION: Fuels and combustion, concepts of heat of reaction, adiabatic flame temperature, Stoichiometry, flue gas analysis.

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UNIT-2

BOILERS : Classification – working principles of L.P & H.P boilers with sketches – mountings and accessories – working principles, boiler horse power, equivalent evaporation, efficiency and heat balance – Draught: classification – height of chimney for given draught and discharge, condition for maximum discharge, efficiency of chimney – artificial draught, induced and forced.

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UNIT-3

STEAM NOZZLES: Function of a nozzle – applications – types, flow through nozzles, thermodynamic analysis – assumptions -velocity of fluid at nozzle exit-Ideal and actual expansion in a nozzle, velocity coefficient, condition for maximum discharge, critical pressure ratio, criteria to decide nozzle shape: Super saturated flow – its effects, degree of super saturation and degree of under cooling, Wilson line.

STEAM TURBINES: Classification – impulse turbine; mechanical details – velocity diagram – effect of friction – power developed, axial thrust, blade or diagram efficiency – condition for maximum efficiency. De-laval turbine – methods to reduce rotor speed-velocity compounding, pressure compounding and velocity & pressure compounding, velocity and pressure variation along the flow – combined velocity diagram for a velocity compounded impulse turbine, condition for maximum efficiency

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UNIT-4

REACTION TURBINE: Mechanical details – principle of operation, thermodynamic analysis of a stage, degree of reaction –velocity diagram – Parson’s reaction turbine – condition for maximum efficiency – calculation of blade height.

STEAM CONDENSERS: Requirements of steam condensing plant – classification of condensers – working principle of different types – vacuum efficiency and condenser efficiency – air leakage, sources and its affects, air pump, cooling water requirement.

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UNIT-5

COMPRESSORS – Classification –Reciprocating type, Principle of operation, work required, Isothermal efficiency, volumetric efficiency and effect of clearance, multi stage compression, saving of work, minimum work condition for two stage compression.

Rotary (Positive displacement type) Roots Blower, vane sealed compressor, Lysholm compressor – mechanical details and principle of working – efficiency considerations.

Rotary (non positive displacement type) Centrifugal compressors: Mechanical details and principle of operation – velocity and pressure variation. Energy transfer-impeller blade shape-losses, velocity diagrams.

Axial Flow Compressors: Mechanical details and principle of operation, velocity diagrams.

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TEXT BOOKS:

1. Basics & Applied Thermodynamics- P.K.Nag – 4 th edition- McGraw Hill
2. Applied Thermodynamics – R Yadhav

REFERENCE BOOKS:

1. Thermal Engineering- Mahesh Rathore – TataMcGrawHill
2. Heat Engineering (MKS and SI units) – VP Vasandani& DS Kumar – Metropolitan books
3. Thermal Engineering – Sadhu Singh- Pearson Publishers
4. Applied Thermodynamics – Eastop & McConkey- Pearson 5 th Edn
5. Fluid Mechanics Fundementals and Applications – Y.A.Cengel, J.M.Cimbala- McGrawHill
6. Thermal Engineering-M.L.Marthur & Mehta- Jain bros. Publishers
7. Thermal Engineering – RK Rajput- Lakshmi Publications

OUTCOMES:

• CO1: Expected to learn the working of steam power cycles and also should be able to analyze and evaluate the performance of individual components
• CO2: Student is able to learn the principles of combustion , stochiometry and flue gas analysis
• CO3: Students will be able to design the components and calculate the losses and efficiency of the boilers, nozzles and impulse turbines.
• CO4: Students will be able to design the components and calculate the losses and efficiency of reactions turbines and condensers.
• CO5: Student is able to learn various types of compressors, principles of working and their performance evaluation.