Transport Phenomena and Kinetics

: Knowledge of heat, mass and fluid flow in metallurgy and capability to carry out related calculations

Basic equations of fluid statics and dynamics, Fluxes, Phenomenological laws, and Conservation law, Momentum transfer and viscosity, Convective and diffusive momentum transport. Modes of heat transfer (Conduction, Convection, and Radiation), Steady and unsteady state heat conduction, Heat transfer coefficients. Fick's law and diffusivity of materials, Mass transfer in fluid systems, mass transfer coefficient. Diffusion as random thermal jumps of atoms (1 d random walk), Self-diffusion coefficients, Vacancy and interstitial mechanisms of self-diffusion, Diffusion in presence of driving force and mobility, Interdiffusion and Darken’s equation, Simple solution of diffusion equation, Grain boundary and surface diffusion. Rate controlling steps in processes, Interface reaction-controlled processes, Diffusion controlled processes.