# NIT Agartala Heat and Mass Transfer Syllabus

ME-603 HEAT AND MASS TRANSFOR (3-1-0)4

1. Introduction  :Various methods of heat transfer, Fourier’s, Newton’s and Stefan Boltzman’s Law. Combined modes of heat  transfer, thermal diffusivity, overall heat transfer coefficient.

2. Conduction :The thermal conductivity of solids, liquids and gases, factor influencing conductivity, measurement. The general  differential equation of conduction. One dimensional steady state conduction, linear heat flow through a plane and composite wall, tube and sphere, critical thickness of insulation. Effect of variable thermal conductivity. Conduction with heat sources, heat transfer from rods heated at one both ends. Heat transfer from fins of uniform cross-section. Errors of measurement of temperature in thermometer wells.

3. Convection (Forced) :Introduction, laminar boundary layer equations on a flat plate and in a tube, laminar forced convection on a flat plate and in a tube, simple Reynold’s analogy. Dimensional analysis of forced convection, empirical relationship for forced convection.

4. Convection (Natural) :Dimensional analysis of natural convection; empirical relationship for natural convection. Convection with phase change. Description of condensing flow. A theoretical model of  condensing flow. Boiling heat transfer, Empirical relationships for convection with phase change.

5. Heat Exchangers :Different types of heat exchangers; Determination of heat exchanger performance, Heat exchanger transfer units,  Analysis restricted to parallel and counter flow heat exchanger. Effectiveness, NTU.

6. Thermal Radiation :Introduction, absorption and reflection of radiant energy, Emission, Radiosity and irradiation, Black and non-black bodies, Krichoff’s law; intensity of radiation, radiation exchange between black surface, geometric configuration factor, grey body relation exchange between surfaces of unit configuration factors. Grey body relation exchange between surfaces of unit configuration factors. Electrical analogy to simple problems. Non-luminous gas radiation. Errors in temperature measurement due to radiation.

7. Introduction to Mass Transfer : Mass and mole concentrations, molecular diffusion, eddy diffusion, Molecular diffusion from an evaporating fluid surface, Introduction to mass transfer in laminar and turbulent convection, Combined heat and mass transfer, the wet and dry bulb thermometer.

References:

1. Incropera, F.P. and Dewitt, D.P., “Fundamentals of Heat and Mass Tran5fer”, 5th  ed., John

Wiley,2002.

2. Holman, J.P., “Heat Tran5fe”r, 9th ed., McGraw-Hill, 2004.

3. Ozisik, M.N., “Heat Tran5fer – A Basic Approach”, McGraw-Hill, 1985.

4. Cengel, Y.A., “Heat Tran5fer – A Practical Approach”, McGraw-Hill, 1998.

5. Rajput, R.K., “Heat & Mass Transfer” Khanna Publishers.