Mass Transfer - 4PMMTRA9

Goal(s)

Present and describe the laws of mass transfer
Describe point defects in solids
Present the phenomena of self-diffusion, heterodiffusion and interdiffusion in solids
Describe diffusion phenomena in grain boundaries
Quantify the phenomena relating to mass transfers in fluids and solids
Study of the laminar and turbulent boundary layers
Study of specific cases involving mass transfer

Content(s)

Part I: Mass transfer in fluids
1. Introduction
2- Mass transfer
Simulation of gas dynamics
Concentrations / titers, mass / molars
Fick's law for binary and/or diluted mixtures
Diffusivity of gases and liquids
3- Global and local equations
Conservation of the flow of a species in 1D stationary pure convective
Generalization: diffusion, unsteady state, chemical reactions
Boundary conditions
Local transport equation for a chemical species
4- Laminar and turbulent boundary layers
Boundary layer equation
Boundary layer calculation results
Turbulence: notion of turbulent viscosity
Uses of numerical correlations
5- Analogies with heat transfer and use of correlations
Similarity of equations
Similarity of transfer laws
Examples

Part II: Mass transfer in solids
1. Introduction
2- Diffusion and mass transport in solids
3- Defects in solids
4- Atomic diffusion theory
5- Autodiffusion
6- Heterodiffusion
7- Diffusion and transport in alloys and compounds (interdiffusion)
8- Diffusion at interfaces
9- Reactive diffusion
10- Diffusion equation solutions for some specific cases
11- Diffusion in ternary systems (elementary notions)

Crystallography, thermodynamic of solutions, phase diagrams