Kinematics of Machinery detailed syllabus for Mechanical Engineering (ME), 2nd Year 2nd Sem R22 regulation has been taken from the JNTUH official website and presented for the B.Tech students affiliated to JNTUH course structure. For Course Code, Subject Names, Theory Lectures, Tutorial, Practical/Drawing, Credits, and other information do visit full semester subjects post given below. We make sure the result links and syllabus uploaded here is latest and up to date, also the syllabus PDF files can also be downloaded from the universities official website.
For Mechanical Engineering (ME) 2nd Year 2nd Sem R22 Regulation Scheme, do visit ME 2nd Year 2nd Sem R22 Scheme. The detailed syllabus for kinematics of machinery is as follows.
Kinematics of Machinery Subject Syllabus for ME 2nd Year 2nd Sem R22 Regulation
Prerequisites:
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Course Objectives:
The objectives of this course are
- To introduce the concept of machines, mechanisms and related terminologies and the relative motion, velocity, and accelerations of the various elements in a mechanism.
- To make the students become familiar with the most commonly used mechanisms such as four bar/slider crank/double slider crank mechanisms and their inversions.
- To provide an overview of straight-line motion mechanisms, steering mechanisms and Hooke’s joint.
- To familiarize higher pairs like cams and principles of cams design.
- To understand the kinematic analysis of gears and gear trains.
Course Outcomes:
At the end of the course, students will be able to
- Understand the various elements in mechanism and the inversions of commonly used mechanisms such as four bar, slider crank and double slider crank mechanisms.
- Draw the velocity and acceleration polygons for a given configuration of a mechanism.
- Understand the conditions for straight line motion mechanisms, steering mechanism and the usage of Hooke’s joint.
- Draw the displacement diagrams and cam profile diagram for followers executing different types of motions and various configurations of followers.
- Calculate the number of teeth and velocity ratio required for a given combination of gears.
UNIT – I
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UNIT – II
Kinematics: Velocity and acceleration – Motion of link in machine – Determination of Velocity and acceleration – Graphical method – Application of relative velocity method. Plane motion of body: Instantaneous center of rotation- centrodes and axodes – Three centers in line theorem – Graphical determination of instantaneous center, determination of angular velocity of points and links by instantaneous center method. Kliens construction – Coriolis acceleration -determination of Coriolis component of acceleration Analysis of Mechanisms: Analysis of slider crank chain for displacement- velocity and acceleration of slider – Acceleration diagram for a given mechanism.
UNIT – III
Straight-line motion mechanisms: Exact and approximate copied and generated types -Peaucellier – Hart – Scott Russel – Grasshopper – Watt -Tchebicheff’s and Robert Mechanism -Pantographs Steering gears: Conditions for correct steering – Davis Steering gear, Ackerman’s steering gear. Hooke’s Joint: Single and double Hooke’s joint -velocity ratio – application – problems.
UNIT – IV
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UNIT – V
Higher pair: Friction wheels and toothed gears – types – law of gearing, condition for constant velocity ratio for transmission of motion – velocity of sliding Forms of teeth, cycloidal and involutes profiles – phenomena of interferences – Methods of interference. Condition for minimum number of teeth to avoid interference – expressions for arc of contact and path of contact of Pinion and Gear and Pinion and Rack Arrangements- Introduction to Helical – Bevel and worm gearing Gear Trains: Introduction – Types – Simple – compound and reverted gear trains – Epicyclic gear train. Methods of finding train value or velocity ratio of Epicyclic gear trains. Selection of gear box -Differential gear for an automobile.
TEXT BOOKS:
- Rattan, S.S, ‘Theory of Machines’, 4th Edition, Tata McGraw-Hill, 2014.
- Uicker, J.J., Pennock G.R and Shigley, J.E., ‘Theory of Machines and Mechanisms’, 4 th Edition, Oxford University Press, 2014.
REFERENCE BOOKS:
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Course Objectives:
To enable the student
- To understand the basic principles of fluid mechanics
- To identify various types of flows
- To understand boundary layer concepts and flow through pipes
- To evaluate the performance of hydraulic turbines
- To understand the functioning and characteristic curves of pumps
Course Outcomes:
- Able to explain the effect of fluid properties on a flow system.
- Able to identify type of fluid flow patterns and describe continuity equation.
- To analyze a variety of practical fluid flow and measuring devices and utilize Fluid Mechanics principles in design.
- To select and analyze an appropriate turbine with reference to given situation in power plants.
- To estimate performance parameters of a given Centrifugal and Reciprocating pump.
- Able to demonstrate boundary layer concepts.
UNIT – I
Fluid statics: Dimensions and units: physical properties of fluids- specific gravity, viscosity, and surface tension – vapour pressure and their influence on fluid motion- atmospheric, gauge and vacuum pressures – measurement of pressure- Piezometer, U-tube and differential manometers.
UNIT – II
Fluid kinematics: Stream line, path line and streak lines and stream tube, classification of flows-steady and unsteady, uniform and non-uniform, laminar and turbulent, rotational and irrotational flows-equation of continuity for one dimensional flow and three-dimensional flows. Fluid dynamics: Surface and body forces -Euler’s and Bernoulli’s equations for flow along a stream line, momentum equation and its application on force on pipe bend.
UNIT – III
Boundary Layer Concepts: Definition, thicknesses, characteristics along thin plate, laminar and turbulent boundary layers (No derivation) boundary layer in transition, separation of boundary layer, submerged objects – drag and lift. 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. Measurement of flow: Pitot tube, venturi meter, and orifice meter, Flow nozzle
UNIT – IV
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, Heads and efficiencies, impulse and reaction turbines, Pelton wheel, Francis turbine and Kaplan turbine-working proportions, work done, efficiencies, hydraulic design -draft tube theory- functions and efficiency. 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.
UNIT – V
Centrifugal pumps: Classification, working, work done – barometric head- losses and efficiencies specific speed- performance characteristic curves, NPSH. Reciprocating pumps: Working, Discharge, slip, indicator diagrams.
TEXT BOOKS:
- Hydraulics, Fluid mechanics and Hydraulic Machinery – MODI and SETH, 21st Edition, standard Book House.
- Fluid Mechanics and Hydraulic Machines by Er. R. K. Rajput, S. Chand,2019.
REFERENCE BOOKS:
- Fluid Mechanics and Fluid Power Engineering by D.S. Kumar, S.K. Kataria and Sons,2018
- Fluid Mechanics and Machinery by D. Rama Durgaiah, New Age International publishers
- Hydraulic Machines by T.R.Banga and S.C. Sharma, 7th Edition, Khanna PublishersIC ENGINES and GAS TURBINES
3 0 0 3 Pre-requisite:
Thermodynamics Course Objective:
- Explain the Components of IC Engines and systems.
- Analyze the stages of combustion to improve the performance of IC engines with respect to fuel economy and control of emissions in global, environmental and social context.
- Understand and evaluate the performance analysis of the major components and systems of IC engines and their applications.
- Explore to the components and working principles of rotary, reciprocating, dynamic and axial compressors.
- Understand the significance of gas turbines in real context in power generation.
Course Outcomes:
At the end of the course, the student should be able to
- Elaborate the working principles of IC Engine systems and its classification.
- Explore the combustion stages of SI and CI engines, and factors influence for better combustion.
- Evaluate the testing and performance parameters of IC engines.
- Explain the function and working principles of rotary, reciprocating, dynamic axial compressors.
- Understand the working principle of gas turbine and its classification with thermodynamic analysis.
UNIT – I
I.C. Engines: Classification – Working principles of Four and Two stroke engine, SI and CI engines, Valve and Port Timing Diagrams, Air – Standard, air-fuel and actual cycles – Engine systems – Carburetor and Fuel Injection Systems for SI engines, Fuel injection systems for CI engines, Ignition, Cooling and Lubrication system, Fuel properties and Combustion Stoichiometry.
UNIT – II
Normal Combustion and abnormal combustion in SI engines – Importance of flame speed and effect of engine variables – Abnormal combustion, pre-ignition and knocking in SI Engines – Fuel requirements and fuel rating, anti-knock additives – combustion chamber – requirements, types of SI engines. Four stages of combustion in CI engines – Delay period and its importance – Effect of engine variables – Diesel Knock- Need for air movement, suction, compression and combustion induced turbulence in Diesel engine – open and divided combustion chambers and fuel injection- Diesel fuel requirements and fuel rating
UNIT – III
Testing and Performance: Parameters of performance – measurement of cylinder pressure, fuel consumption, air intake, exhaust gas composition, Brake power – Determination of frictional losses and indicated power – Performance test – Heat balance sheet and chart Classification of compressors – Fans, blowers and compressors – positive displacement and dynamic types – reciprocating and rotary types. Reciprocating Compressors: Principle of operation, work required, Isothermal efficiency volumetric efficiency and effect of clearance volume, staged compression, under cooling, saving of work, minimum work condition for staged compression
UNIT – IV
Rotary Compressor (Positive displacement type): Roots Blower, vane sealed compressor, mechanical details and principle of working – efficiency considerations. Dynamic Compressors: Centrifugal compressors: Mechanical details and principle of operation -velocity and pressure variation. Energy transfer-impeller blade shape-losses, slip factor, power input factor, pressure coefficient and adiabatic coefficient – velocity diagrams – power. Axial Flow Compressors: Mechanical details and principle of operation – velocity triangles and energy transfer per stage degree of reaction, work done factor – isentropic efficiency- pressure rise calculations – Polytropic efficiency.
UNIT – V
Gas Turbines: Simple Gas Turbine Plant – Ideal Cycle – Closed Cycle and Open Cycle for Gast Turbines, Constant Pressure Cycle, Constant Volume Cycle, Efficiency – Work Ratio and Optimum Pressure Ration for Simple Gas Turbine Cycle. Parameters of Performance, Actual Cycle.
TEXT BOOKS:
- I.C. Engines, V. Ganesan, 4th Edition, Mc Graw Hill
- Thermal Engineering, Mahesh M Rathore, Tata Mc Graw Hill, 2010
REFERENCE BOOKS:
- Applied Thermodynamics for Engineering Technologists, Eastop and McConkey, Pearson
- Fundamentals of Classical Thermodynamics, Vanwylen G.J., Sonntag R.E., Wiley Eastern
- Internal Combustion Engines Fundamentals, John B. Heywood, McGraw Hill Ed.
For detailed syllabus of all the other subjects of B.Tech 2nd Year Mechanical Engineering (ME), visit Mechanical Engineering (ME) 2nd Year Syllabus Subjects.
For results of Mechanical Engineering (ME) 2nd Year 2nd Sem R22 Regulation, visit ME 2nd Year 2nd Sem R22 Regulation results direct link.