Conduction and Convection: Introduction, Conduction: Basic concepts of conduction in solids, liquids and gases.
Fourier law of heat conduction. Material properties of importance in heat transfer: Thermal conductivity, Specific heat capacity.
General equation of heat conduction in cartesian co-ordinate, heat conduction through plane and composite walls, cylinders and spheres Critical and optimum insulation thickness.. Principles of convection, Newton’s law of cooling.
Radiation: Basic laws of heat transfer by radiation, Absorptivity, reflectivity and transmissivity, black, white and grey body, emissive power and emissivity, laws of radiation – Planck, Stefan-Boltzmann, Wien’s displacement, Kirchhoff’s law.
Introduction to Heat Transfer Equipments: Classification of heat exchangers, Double pipe, Shell & tube and Plate type heat exchanger, Evaporators.
Diffusion: Classification of mass transfer operation, choice of separation method, Definition of molecular and eddy diffusion,
Ficks first law of diffusion, Concept of N & J Flux, Diffusion coefficient, Dependence of diffusion coefficient on temperature, pressure and composition.
Mass Transfer Coefficients: Mass transfer in laminar and turbulent regions, F and k type mass transfer coefficients, Film, Penetration and surface renewal theories.
Drying: Drying, Different modes of drying operation, Types of batch and continuous dryer,
Definitions of moisture contents, Rate of batch drying, Time of drying, Continuous drying.
Crystallization: Crystallization, Crystallization equipment, Classification of crystallizers
Theories of crystallization, Factors governing nucleation and crystal growth rates, controlled growth of crystal.