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1. Heat Transfer

2. Heat Transfer Conduction Radiation Heat Exchanger Convection Fourier Law Newton’s Law of Cooling Stefan- Boltzmann Law Types of Heat Exchanger Parallel Flow Counter Flow Cross Flow (Mixed and Unmixed) Shell and Tube (one or two shell with multiple tube pass) Method of Analysis LMTD -NTU

3. Conduction Heat Transfer Coordinate System Governing Equation n = for a plane wal l n = 1 for a cylinder n = 2 for a sphere Boundary Conditions Specified Temperature Boundary Condition Specified Heat Flux Boundary Condition Convection Boundary Condition Radiation Boundary Condition Interface Boundary Conditions Generalized Boundary Conditions Thermo - Physical Properties Thermal Conductivity Thermal Diffusivity Types of Problems 1D steady state using thermal resistance network Variable thermal Conductivity Heat generation in solids Critical radius of insulation Thermal contact resistance Enhancement of heat transfer – fins Transient heat conduction

4. 1D steady state using thermal resistance network Variable thermal Conductivity Heat generation in solids Critical radius of insulation Thermal contact resistance Enhancement of heat transfer - fins Transient heat conduction Fin Efficiency Fin Effectiveness

5. Governing Equations Forced Convection momentum mass energy Free Convection Heat Transfer Rate Pumping Power     Dimensionless Numbers Bulk Mean Temperature Film Temperature

6. Convection Problems Forced Convection Free Convection     Laminar Flow Turbulent Flow Flat Plate Cylinder Sphere Bank of Tubes Circular pipe non circular ducts Vertical Plate Vertical Cylinder Inclined Plates Horizontal Plate Horizontal cylinder Sphere   Internal Flow Laminar Flow Turbulent Flow

7. A i F ij = A j F ji

8. Thank You