ME8693 – NOTES & QP
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ME8693 – SYLLABUS
UNIT I CONDUCTION
General Differential equation of Heat Conduction– Cartesian and Polar Coordinates — One Dimensional Steady State Heat Conduction —- plane and Composite Systems — Conduction with Internal Heat Generation — Extended Surfaces — Unsteady Heat Conduction — Lumped Analysis — Semi Infinite and Infinite Solids –Use of Heisler?s charts.
UNIT II CONVECTION
Free and Forced Convection — Hydrodynamic and Thermal Boundary Layer. Free and Forced Convection during external flow over Plates and Cylinders and Internal flow through tubes .
UNIT III PHASE CHANGE HEAT TRANSFER AND HEAT EXCHANGERS
Nusselt?s theory of condensation — Regimes of Pool boiling and Flow boiling. Correlations in boiling and condensation. Heat Exchanger Types — Overall Heat Transfer Coefficient — Fouling Factors — Analysis — LMTD method — NTU method.
UNIT IV RADIATION
Black Body Radiation — Grey body radiation — Shape Factor — Electrical Analogy — Radiation Shields. Radiation through gases.
UNIT V MASS TRANSFER
Basic Concepts — Diffusion Mass Transfer — Fick?s Law of Diffusion — Steady state Molecular Diffusion — Convective Mass Transfer — Momentum, Heat and Mass Transfer Analogy –Convective Mass Transfer Correlations.