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HEAT & MASS TRANSFER (NME-504)

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Syllabus of HEAT & MASS TRANSFER (NME-504)

UNIT-1
Introduction to Heat Transfer:
Thermodynamics and Heat Transfer. Modes of Heat Transfer: Conduction, convection and radiation.
Effect of temperature on thermal conductivity of materials; Introduction to combined heat transfer
mechanism.

Conduction :
General differential heat conduction equation in the rectangular, cylindrical and spherical coordinate
systems.Initial and boundary conditions.

Steady State one-dimensional Heat conduction :
Simple and Composite Systems in rectangular, cylindrical and spherical coordinates with and without
energy generation; Concept of thermal resistance.Analogy between heat and electricity flow; Thermal
contact resistance and over all heat transfer coefficient; Critical radius of insulation.

UNIT-2
Fins:
Heat transfer from extended surfaces, Fins of uniform cross-sectional area; Errors of measurement of
temperature in thermometer wells.

Transient Conduction:
Transient heat conduction; Lumped capacitance method; Time constant; Unsteady state heat conduction
in one dimension only, Heisler charts.

UNIT-3
Forced Convection:
Basic concepts; Hydrodynamic boundary layer; Thermal boundary layer; Approximate integral boundary
layer analysis; Analogy between momentum and heat transfer in turbulent flow over a flat surface; Mixed
boundary layer; Flow over a flat plate; Flow across a single cylinder and a sphere; Flow inside ducts;
Thermal entrance region, Empirical heat transfer relations; Relation between fluid friction and heat
transfer; Liquid metal heat transfer.

Natural Convection :
Physical mechanism of natural convection; Buoyant force; Empirical heat transfer relations for natural
convection over vertical planes and cylinders, horizontal plates and cylinders, and sphere, Combined free
and forced convection.

UNIT-4
Thermal Radiation :
Basic radiation concepts; Radiation properties of surfaces; Black body radiation Planck’s law, Wein’s
displacement law, Stefan Boltzmann law, Kirchoff’s law; ; Gray body; Shape factor; Black-body radiation;
Radiation exchange between diffuse non black bodies in an enclosure; Radiation shields; Radiation
combined with conduction and convection; Absorption and emission in gaseous medium; Solar radiation;
Green house effect.

UNIT-5
Heat Exchanger :
Types of heat exchangers; Fouling factors; Overall heat transfer coefficient; Logarithmic mean
temperature difference (LMTD) method; Effectiveness-NTU method; Compact heat exchangers.

Condensation and Boiling:
Introduction to condensation phenomena; Heat transfer relations for laminar film condensation on vertical
surfaces and on outside & inside of a horizontal tube; Effect of non-condensable gases; Dropwise
condensation; Heat pipes; Boiling modes, pool boiling; Hysteresis in boiling curve; Forced convection
boiling.

Introduction to Mass Transfer:
Introduction; Fick’s law of diffusion; Steady state equimolar counter diffusion; Steady state diffusion
though a stagnant gas film.

Books:
1. Fundamentals of Heat and Mass Transfer, by Incroperra& DeWitt, John Wiley and Sons
2. Heat and Mass Transfer by Cengel, McGraw-Hill
3. Heat Transfer by J.P. Holman, McGraw-Hill
4. Heat and Mass Transfer by Rudramoorthy and Mayilsamy, Pearson Education
5. Heat Transfer by Ghoshdastidar, Oxford University Press
6. A text book on Heat Transfer, by Sukhatme, University Press.
7. Heat Transfer by Venkateshan, Ane Books Pvt Ltd
8. Schaum’s outline of Heat Transfer by Pitts & Sisson McGraw-Hill
9. Heat and Mass Transfer by R Yadav, Central Publishing House

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  1. Deepak says:

    Where is download link

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