Introduction ( 12 Lectures )

Introduction to three modes of heat transfer, Derivation of heat balance equation- Steady one dimensional solution for conduction heat transfer in Cartesian, cylindrical and spherical geometry, concept of conduction and film resistances, critical insulation thickness, lumped system approximation and Biot number, heat transfer through pin fins- Two dimensional conduction solutions for both steady and unsteady heat transfer-approximate solution to unsteady conduction heat transfer by the use of Heissler charts.

Heat convection, basic equations, boundary layer ( 8 Lectures )

Heat convection, basic equations, boundary layers- Forced convection, external and internal flows- Natural convective heat transfer- Dimensionless parameters for forced and free convection heat transfer-Correlations for forced and free convection- Approximate solutions to laminar boundary layer equations (momentum and energy) for both internal and external flow- Estimating heat transfer rates in laminar and turbulent flow situations using appropriate correlations for free and forced convection

Interaction of radiation with materials( 8 Lectures )

Interaction of radiation with materials, definitions of radiative properties, Stefan Boltzmann’s law, black and gray body radiation, Calculation of radiation heat transfer between surfaces using radiative properties, view factors and the radiosity method.

Type of Heat Exchanger( 6 hrs )

Types of heat exchangers, Analysis and design of heat exchangers using
bothLMTD and ε-NTU methods.

( 3 Lectures )

Boiling and Condensation heat transfer, Pool boiling curve.

Introduction mass transfer, Similarity between heat and mass transfer .

Suggested books

1. Bejan, Heat Transfer John Wiley, 1993
2. J.P.Holman, Heat Transfer, Eighth Edition, McGraw Hill, 1997.
3. F.P.Incropera, and D.P. Dewitt, Fundamentals of Heat and Mass Transfer, John Wiley, Sixth Edition, 2007.
4. MassoudKaviany, Principles of Heat Transfer, John Wiley, 2002

1. Determination of Thermal Conductivity of a Metal Rod.                                                
2. Determination of Overall Heat Transfer Coefficient of a Composite wall.
3. To find the effectiveness of a pin fin in a rectangular duct natural convective condition and plot temperature distribution along its length.
4. To find the effectiveness of a pin fin in a rectangular duct under forced convective and plot temperature distribution along its length.
5. Determination of Heat Transfer Coefficient in a free Convection on a vertical tube.
6. Determination of Heat Transfer Coefficient in a Forced Convention Flow through a Pipe.
7. Determination of Emissivity of a Surface.
8. Determination of Stefan Boltzmann’s Constant.
9. Determination of LMDT and Effectiveness in a Parallel Flow and Counter Flow Heat Exchangers

Introduction ( 2 hours )

Introduction – Classification of fluid machinery.

Dynamic action of fluid jet ( 4 hrs )

Dynamic action of fluid jet – Impact of fluid jet on fixed and moving flat places, impact of jet on fixed and moving curved vanes, flow over radial vanes, jet propulsions.                                         

Eiler's Equation ( 2 Hrs )

Euler’s fundamental equation, degree of reaction.                                                                                                    

Hydraulic Turbines ( 10 Hrs )

Hydraulic turbines, introduction, classification, impulse turbine, construction details, velocity triangles, power and efficiency calculations, reaction turbines; constructional details, working principle, velocity triangles, power and efficiency calculations, draft tube, cavitation, governing.

Principle of Machinery( 3 Hrs )

Principle of similarity in fluid machinery; unit and specific quantities, testing models and selection of hydraulic turbines.                            

Positive displacement pumps ( 4 Hrs )

Positive displacement pumps: Reciprocating pump; working principle, classification, slip, indicator diagram, effect of friction and acceleration, theory of air vessel, performance characteristics gas gear oil pump and screw pump.

Rotodynamic pump ( 7 Hrs )

Introduction, classification, centrifugal pump; main components, working principle velocity triangle, effect of shape of blade specific speed, heats, power and efficiency, calculations minimum steering speed, multi stage pumps, performance characteristic, comparison with reciprocating pump.

Suggested Books

1. G. T. Mase, R. E. Smelser and G. E. Mase, Continuum Mechanics for Engineers, Third Edition, CRC Press,2004.
2. Y. C. Fung, Foundations of Solid Mechanics, Prentice Hall International, 1965.
3. Lawrence. E. Malvern, Introduction to Mechanics of a Continuous Medium, Prentice Hall international, 1969.
4. Hydrantic Machine by RD Purohit

1. Performance on hydraulic turbines:
    a. Pelton wheel
    b. Francis turbine
    c. Kaplan turbine.
2. Performance on hydraulic pumps: a. Single stage and multi stage centrifugal pumps b. Reciprocating pump.
3. Performance test of a two stage reciprocating air compressor
4. Performance test on an air blower

OPTIONAL
1. Visit to hydraulic power station/Municipal water pump house and case studies.
2. Demonstration of cut section models of hydraulic turbines and pumps.

Conventional Manufacturing processes ( 6 Hrs )

Casting and Moulding: Metal casting processes and equipment, Heat transfer and solidification, shrinkage, riser design, casting defects and residual stresses.

Introduction to bulk and sheet metal forming ( 6 Lectures )

Introduction to bulk and sheet metal forming, plastic deformation and yield criteria: fundamentals of hot and cold working processes; load estimation for bulk forming(forging, rolling, extrusion, drawing) and sheet forming (shearing, deep drawing, bending) principles of powder metallurgy.

Metal cutting (8 Hours)

Single and multi-point cutting; Orthogonal cutting, various force components: Chip formation, Tool wear and tool life, Surface finish and integrity, Machinability, Cutting tool materials, Cutting fluids, Coating; Turning, Drilling, Milling and finishing processes, Introduction to CNC machining.

Joining/fastening processes (5 Hours )

Physics of welding, brazing and soldering; design considerations in welding, Solid and liquid state joining processes; Adhesive bonding.
Additive manufacturing: Rapid prototyping and rapid tooling .

Machine Tools (15 hours)

(a) Lathe: Principle, types, operations, turret/capstan, semi/automatic, Tool layout.
(b) Shaper, slotted, planer, operation, drive.
(c) Milling, Milling cutter, up & down milling, dividing head indexing, Max chip thickness, power required.
(d) Drilling and boring, reaming tools, Geometry of twist drill, Grinding, Grinding wheel, Abrasive, cutting action, grinding wheel specification, Grinding wheel wear, alterations, wear, fracture wear, dressing and trimming. Max chip thickness and guest criteria, Flat and cylindrical grinding, Centerless grinding, Super finishing, Honing lapping, Polishing

Suggested Books

1. Kalpakjian and Schmid, Manufacturing processes for engineering materials (5th Edition)Pearson India, 2014
2. Mikell P. Groover, Fundamentals of Modern Manufacturing: Materials, Processes, and Systems
3. Degarmo, Black &Kohser, Materials and Processes in Manufacturing

Minimum of 10 Experiment need to be performed

I. Metal Casting Lab:
1. Pattern Design and making – for one casting drawing.
2. Sand properties testing (strengths and permeability)
3. Moulding, Melting and Casting

II. Welding Lab:
1. ARC Welding Lap & Butt Joint
2. Spot Welding
3. Gas Welding

III. Mechanical Press Working:
1. Blanking & Piercing operation and study of simple, compound and progressivepress tool.
2. Bending and other operations

IV. Machining Lab:
1. Cutting operation (Orthogonal & Oblique) on lathe machine
2. Bolt making on lathe machine
3. Facing, plain turning and step turning knurling
4. Boring and internal thread cutting.
5. Finishing of a surface on surface –grinding machine
6. Gear cutting on milling machine (Spur Gear).
7. Machining a block on shaper machine.
8. Drilling holes on drilling machine

Introduction ( 5 Lectures )

Classification of mechanisms: -Basic kinematic concepts and Definitions-Degree of freedom, mobility-Grashof’s law, Kinematic inversions of four bar chain and slider crank chains.

Kinematic analysis of plane mechanism ( 6 Hrs )

Displacement, velocity and acceleration analysis of simple mechanisms, graphical velocity analysis using instantaneous centers, kinematic analysis of simple mechanisms- slider crank mechanism dynamics- Coriolis component of acceleration.

Friction devices ( 6 Lectures )

Belt drive, Clutch, Shoe brakes, Band and block brakes.                                                                           

Gear ( 10 Lectures )

Gear: gear terminology, Involute and Cycloidal gear profiles, gear parameters, fundamental law of gearing and conjugate action, spur gear contact ratio and interference/undercutting.
Gear Train: Analysis of simple, compound, reverted and epicyclic gear train with problems.

Balancing of rotating masses (8 lectures )

Balancing of rotating masses in the same plane by a single revolving mass. Balancing of several rotating masses in the same plane. Balancing of several rotating masses in different planes by two revolving masses in suitable planes.

Governor ( 6 Lectures )

Watt, Porter, Proel & Hartnell Governors, Effect of friction, controlling force, governor effort and power, sensitivity and isochronisms.

Suggested Books

1. Thomas Bevan, Theory of Machines, 3rd edition, CBS Publishers & Distributors, 2005.
2. CleghornW.L. , Mechanisms of Machines, Oxford University Press, 2005.
3. Robert L. Norton, Kinematics and Dynamics of Machinery, Tata McGrawHill, 2009.

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