Subject Code:  ME6L153 Subject Name: Convective Heat & Mass Transfer L-T-P: 3-0-0 Credit: 3
Pre-Requisite(s): Fluid Mechanics, Heat Transfer
Forced Convective Heat Transfer: Introduction to heat transfer by convection, a review of viscous flow, conservation of mass and momentum – the continuity and Navier-Stokes equation, boundary layer equation, laminar boundary layer over a flat plate, boundary layer separation, energy equation, derivation of energy equation, energy equation in non- dimensional form, derivation of thermal boundary layer equation, heat transfer in a parallel flow over a flat surface, analogy between momentum and heat transfer in turbulent flow, heat transfer in parallel flow and cross flow over a cylinder, heat transfer in parallel flow over a sphere, heat transfer for impinging jets, forced convection in internal flows, concept of entrance length and fully developed flow, heat transfer in high speed flow;

Natural Convection Heat Transfer: Governing equation and similarity considerations, free convection in laminar flow over a vertical plate, empirical co-relation in external free convection flows, inclined plates, long horizontal cylinder, spheres, free convection in enclosures, and cavities, concentric cylinders, concentric spheres, combined free and forced convection. Heat Transfer with Phase Change: Heat transfer in boiling, modes of boiling, regimes of pool boiling, pool boiling correlation, critical heat flux in nucleate pool boiling, forced convection boiling, modes of condensation, theory of film condensation, laminar and turbulent film condensation on a vertical plate, film condensation inside and outside horizontal tubes, drop wise condensation, heat pipes, theory of heat pipes, design limitations, heat transfer in freezing and melting; Mass Transfer: Mechanism and fundamental concepts, definition of concentration, mass fluxes and mole fluxes, Ficks law of diffusion, temperature and pressure dependence of mass diffusivity, diffusion in a multi component system, theory of diffusion in gases and liquids, mass transfer coefficient, conservation of species for a control volume – species continuity equation, equimolar counter diffusion, simultaneous heat and mass transfer.
Text/Reference Books:
  1. Kays W.M., and Crawford M.E., Convective Heat and Mass Transfer, McGraw Hill Int Edition.
  2. Spalding D.B., Introduction to Convective Mass Transfer, McGraw Hill.
  3. Bird R.B., Stewart W.E., and Lightfoot E.N., Transport Phenomena, John Wiley and sons, Inc.
  4. Schlichting H., Boundary Layer Theory, McGraw Hill.