# Download notes of HEAT & MASS TRANSFER (NME-504)

**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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