Unit 1Fundamentals of Heat Transfer Basic Concepts : Different Modes and Laws of heat transfer, 3-D heat conduction equation in Cartesian coordinates (with derivation), and its simplified equations, simplified equations in cylindrical and spherical coordinates (simplified equations, no derivation) thermal conductivity, thermal diffusivity, electrical analogy, Thermal contact Resistance. Boundary and initial conditions : Temperature boundary condition, heat flux boundary condition, convection boundary condition, radiation boundary condition. 1-D steady state heat conduction without and with heat generation : Heat conduction without heat generation in plane wall, composite wall, composite cylinder, composite sphere. Heat conduction with heat generation in Plane wall, Cylinder and Sphere with different boundary conditions. (Chapters - 1, 2, 3) Unit 2Heat Transfer through Extended Surfaces & Transient Heat Conduction Thermal Insulation - Critical thickness of insulation, Types and properties of insulating materials, Safety considerations in thermal insulation, Economic and cost considerations, Payback period, Numerical on payback period. Heat transfer through extended surfaces : Types of fins and its applications, Governing Equation for constant cross sectional area fins, Solution for infinitely long fin (with derivation), adequately long fin with insulated end tip and short fins (no derivation), Fin Efficiency & Effectiveness of fins, estimation of error in Temperature measurement by thermometer. Transient heat conduction : Validity and criteria of lumped system analysis, Biot Number, Fourier Number, Time Constant and Response of thermocouple, Use of Heisler Charts for plane wall, cylinder and sphere. (Chapters - 4, 5) Unit 3Convection Unit 4Radiation Unit 5Mass Transfer Unit 6Heat Exchangers and Equipment Design
