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ME 603: Heat & Mass Transfer

1.Fouriers law of heat conduction, effect of temperature on thermal conductivityof metals, refractory and building materials, liquid and gases, derivation of generalized equation in Cartesian coordinates and its reduction to specificcases, three dimensional heat conduction equations in cylindrical andspherical co-ordinates2. One dimensional steady state conduction, heat conduction through plane andcomposite walls, hollow and composite cylinders, hollow and compositespheres, electrical analogy, overall heat transfer coefficient3. Critical thickness of insulation, transient heat conduction- lumped heatcapacity analysis, time constant, transient heat conduction in solids with finiteconduction and convective resistances.4. Types of fin, heat flow through rectangular fin, infinitely long fin, fin insulatedat the tip and fin losing heat at the tip, efficiency and effectiveness of fin, Biotnumber, Estimation of error in temperature measurement in a thermometerwell.5. Newtons law of cooling, Dimensional analysis applied to forced and freeconvection, dimensionless numbers and their physical significance, empiricalcorrelations for free and forced convection6. Continuity, momentum and energy equations, thermal and hydrodynamicboundary layer, blasius solution for laminar boundary layer, Von-Karmanintegral momentum equation.7. Absorptivity, reflectivity and transmissivity, black, white and grey body,emissive power and emissivity, laws of radiation Planck, Stefan-Boltzmann,Weins displacement, Kirchoff, intensity of radiation and solid angle,Lamberts cosine law8. Radiation heat exchange between black bodies, shape factor, heat exchangebetween non-black bodies- infinite parallel planes and infinite long concentriccylinders, radiation shield, heat exchange between two grey surfaces,electrical analogy.9. Types, heat exchanger analysis, LMTD for parallel and counter flow

exchanger, condenser and evaporator, overall heat transfer coefficient,fouling factor, correction factors for multi pass arrangement, effectivenessand number of transfer unit for parallel and counter flow heat exchanger,introduction to heat pipe, compact heat exchangers10. Boiling regimes, bubble growth, nucleate boiling, critical heat flux, film poolboiling, forced convection boiling . Film wise and drop wise condensation,laminar film condensation on vertical plate, turbulent film condensation, filmcondensation on tubes.

Teaching scheme Examination Scheme

Theory

Hrs.

Tut

Hrs.

Pract

Hrs

Theory

Hrs

Theory

Marks

Sessional

Marks

Prac/Oral

Marks

Term work

MarksTotal

4 -- 2 3 100 --- 25 25 150

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11 . Modes of mass transfer, concentrations, velocities and fluxes, Ficks law,general equation of mass diffusion in stationary media, steady state diffusionthrough a plain membrane, steady state equimolar counter diffusion,isothermal evaporation of water into air from a surface, mass transfercoefficient, convective mass transfer.

Text Books:1. Heat & Mass Transfer by R.K. Rajput, S. Chand & Co. New Delhi.2. Heat & Mass Transfer by R. C. Sachdeva, New Age International, New Delhi3. Heat & Mass Transfer by B.K. Venkanna, PHI Learning, New Delhi.References Books:1. Heat & Mass Transfer by P.K. Nag, Tata McGraw Hill, New Delhi.2. Heat & Mass Transfer by Arora & Domkundwar, Dhanpat rai and Co., NewDelhi3. Heat & Mass Transfer by Mills and Ganesan, Pearson Publication, New Delhi4. Engineering Heat & Mass Transfer by M.M. Rathore, Laxmi Prakshan5. Heat & mass transfer by by D.S. Kumar, S.K. Kataria & Sons6. Heat transfer by B.L. Singhal, Techmax, publication, Pune7. Heat transfer by Dr. A.S. Padalkar, Nirali Prakashan, Pune