Course

Module-1

Fourier’s law, thermal conductivity of matter, heat diffusion equation for isotropic and anisotropicmedia, boundary and initial conditions. One-dimensional steady-state conduction through planewall, cylinder and sphere. Conduction with thermal energy generation, heat transfer from extended surfaces, radial fins and finoptimization ; Multidimensional-steady-state heat conduction ; Transient conduction – lumped capacitance method and its validity, plane wall and radial systems, semi-infinite solid, anisotropic conduction. Review of viscous flow: Hydrodynamic and thermal boundary layers, Laminar flow heat transfer to developed and developing flow, laminar forced convection in pipeand ducts with different boundary conditions, external flows.

Module-2

Turbulence modeling, Heat transfer in turbulent boundary layers, Eddy diffusivity of heat and momentum, turbulent flow through circular tubes and parallel plates with heat transfer, analogies between heat and momentum transfer. Laminar natural convection, natural convection in enclosures, heat transfer correlations. Turbulent natural convection, turbulent heat transfer correlation, Practical applications. Boiling and condensation heat transfer–correlation and applications. Heat transfer with phase change:Pool boiling, convective boiling, film and drop wise condensation, empirical relations for heat transfer with phase change.

Module-3

Heat Exchangers: Types, classifications, selection, standards, parallel, counter and mixed flow, multiple passes, LMTD, correction factors, effectiveness, NTU methods. Practical problems and examples which covers the modelling of various heat transfer systems drawn from industrial fields such as manufacturing, electronics, consumer products, and energy systems etc.

Radiation heat transfer, blackbody radiation, Plank distribution, Wien’s displacement law, Stefan-Boltzmann law, surface emission, surface absorption, reflection, and transmission, Kirchoff’s law,graysurface;Radiationintensityanditsrelationtoemission,irradiationandradiosity,ViewfactorsandRadiationexchangebetweensurfaces. Elements of inverse heat transfer.

• CO1:Deal with the practical situations which involve one or more than one modes of heat transfer
• CO2:Deal with transient and multi-dimensional conduction problems
• CO3:Analyse the situation including fluid flow and heat transfer
• CO4:Deal with the effect of radiation and heat transfer associated with it in practical situations
• CO5:Understand the concepts of condensation and boiling
• CO6: Design heat exchangers using LMTD and NTU methods. Introduction to refrigeration.

• L.,Lavine A.S, Incropera F.P,DeWittD.P.,Fundamentals of Heat and Mass Transfer, John Wiley&Sons, 2011.
• Holman,J.P.,”HeatTansfer”,9thedn.The Mc Graw-Hill Companies,2008.
• Burmeister,L.C.,Convective Heat Transfer,2e,JohnWiley,1993.
• ModestMF,Radiative Heat Transfer,McGraw-Hill,1993.
• Collier, John  R.Thome,  Convective boiling and condensation, Oxford  UniversityPress,1996.
• Shah RK and Sekulic DP, Fundamentals of Heat Exchanger Design, John Wiley and Sons,2002.