Mechanical Engineering semester 5

Heat Transfer (PCC-ME 301) - 4.5 CreditsPYQs

3L + 0T + 3P0/4 topics done

practical problems using empirical correlations. ➔ The course will also briefly cover boiling and condensation heat transfer, and the analysis and design of heat exchangers. Detailed contents:

Unit 10/1Ask AI

Introduction to three modes of heat transfer, Derivation of heat balance equation- Steady one dimensional solution for conduction heat transfer in Cartesian, 1 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

Unit 2Heat convection, basic equations, boundary layers0/1Ask AI

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

Unit 30/1Ask AI

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

Unit 4Types of heat exchangers, Analysis and design of heat exchangers using bothLMTD and ε-NTU methodsAsk AI

Unit 5Boiling and Condensation heat transfer, Pool boiling curveAsk AI

Unit 6Introduction mass transfer, Similarity between heat and mass transferAsk AI

References

➔ Bejan, Heat Transfer John Wiley, 1993
➔ J.P.Holman, Heat Transfer, Eighth Edition, McGraw Hill, 1997.
➔ F.P.Incropera, and D.P. Dewitt, Fundamentals of Heat and Mass Transfer, John
Wiley, Sixth Edition, 2007.
➔ MassoudKaviany, Principles of Heat Transfer, John Wiley, 2002
➔ Yunus A Cengel, Heat Transfer: A Practical Approach, McGraw Hill, 2002
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Practical:
➔ Determination of Thermal Conductivity of a Metal Rod.
➔ Determination of Overall Heat Transfer Coefficient of a Composite wall.
➔ To find the effectiveness of a pin fin in a rectangular duct natural
convective condition and plot temperature distribution along its length.
➔ To find the effectiveness of a pin fin in a rectangular duct under forced
convective and plot temperature distribution along its length
➔ Determination of Heat Transfer Coefficient in a free Convection on a vertical
tube.
➔ Determination of Heat Transfer Coefficient in a Forced Convection Flow through
a Pipe.
➔ Determination of Emissivity of a Surface.
➔ Determination of Stefan Boltzmann’s Constant.
➔ Determination of LMDT and Effectiveness in a Parallel Flow and Counter Flow
Heat Exchangers.

Fluid Machinery (PCC-ME 302) - 4.5 CreditsPYQs

3L + 0T + 3P0/6 topics done

Detailed contents:

Unit 1Introduction: Classification of fluid machineryAsk AI

Unit 23 Dynamic action of fluid jet0/1Ask AI

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

Unit 3Euler’s fundamental equation, degree of reactionAsk AI

Unit 40/1Ask AI

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

Unit 50/1Ask AI

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

Unit 6Positive displacement pumps0/1Ask AI

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

Unit 7Rotodynamic pumps0/1Ask AI

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

References

➔ G. T. Mase, R. E. Smelser and G. E. Mase, Continuum Mechanics for Engineers,
Third Edition, CRC Press,2004.
➔ Y. C. Fung, Foundations of Solid Mechanics, Prentice Hall International, 1965.
➔ Lawrence. E. Malvern, Introduction to Mechanics of a Continuous Medium,
Prentice Hall international, 1969.
➔ Hydrantic Machine by Jagdish Lal
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➔ Hydraulics & Hydraulic Machines by Vasandari
➔ Hydrantic Machine by RD Purohit
Practical:
➔ Performance on hydraulic turbines:
◆ Pelton wheel
◆ Francis turbine
◆ Kaplan turbine.
➔ Performance on hydraulic pumps:
◆ Single stage and multi stage centrifugal pumps
◆ Reciprocating pump.
➔ Performance test of a two stage reciprocating air compressor
➔ Performance test on an air blower
OPTIONAL
➔ Visit to hydraulic power station/Municipal water pump house and case studies.
➔ Demonstration of cut section models of hydraulic turbines and pumps.

Manufacturing Processes (PCC-ME 303) - 4.5 CreditsPYQs

References

➔ Kalpakjian and Schmid, Manufacturing processes for engineering materials (5th
Edition)-Pearson India, 2014
➔ Mikell P. Groover, Fundamentals of Modern Manufacturing: Materials, Processes,
and Systems
➔ Degarmo, Black & Kohser, Materials and Processes in Manufacturing
Practical:
Minimum of 10 Experiment need to be performed
➔ Metal Casting Lab:
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◆ Pattern Design and making – for one casting drawing.
◆ Sand properties testing (strengths and permeability)
◆ Moulding, Melting and Casting
➔ Welding Lab:
◆ ARC Welding Lap & Butt Joint
◆ Spot Welding
◆ Gas Welding
➔ Mechanical Press Working:
◆ Blanking & Piercing operation and study of simple, compound and
progressivepress tool.
◆ Bending and other operations
➔ Machining Lab:
◆ Cutting operation (Orthogonal & Oblique) on lathe machine
◆ Bolt making on lathe machine
◆ Facing, plain turning and step turning knurling
◆ Boring and internal thread cutting.
◆ Finishing of a surface on surface –grinding machine
◆ Gear cutting on milling machine (Spur Gear).
◆ Machining a block on a shaper machine.
◆ Drilling holes on drilling machine

Kinematics of Machine (PCC-ME 304) - 4 CreditsPYQs

3L + 1T + 0P0/8 topics done

Detailed contents:

Unit 1Introduction0/3Ask AI

Classification of mechanisms: Basic kinematic concepts and Definitions-Degree of freedommobility-Grashof’s lawKinematic inversions of four bar chain and slider crank chains

Unit 27 Kinematic analysis of plane mechanism0/1Ask AI

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

Unit 3Friction devices: Belt drive, Clutch, Shoe brakes, Band and block brakesAsk AI

Unit 4Gear0/1Ask AI

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 trains with problems

Unit 5Balancing of rotating masses0/1Ask AI

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

Unit 6Governors0/1Ask AI

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

References

➔ Thomas Bevan, Theory of Machines, 3rd edition, CBS Publishers & Distributors,
➔ CleghornW.L. , Mechanisms of Machines, Oxford University Press, 2005.
➔ Robert L. Norton, Kinematics and Dynamics of Machinery, Tata McGrawHill, 2009.
➔ Ghosh A. and Mallik A.K., Theory of Mechanisms and Machines, Affiliated
East-West Pvt. Ltd, New Delhi, 1988.
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Constitution of India / Essence of Indian (-) - 0 Credits

Summer Entrepreneurship-II (-) - 6 Credits

Open Elective- I (MOOCs / SWAYAM / NPTEL (-) - 3 Credits

Graduate Employability Skills and (-) - 0 Credits

Semester 5

Theory

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