1. Introduction to multiphase fluid dynamics; 2. Single-phase flow equations and regimes; 3. Governing equations for an isolated spherical particle; 4. Particles sizes, shapes and trajectories; 5. Coupling regimes for multiphase flow; 6. Single-phase turbulent flow; 7. Multiphase turbulent flow; 8. Multiphase flow numerical approaches; 9. Drag force on an isolated particle; 10. Lift, added mass, and history forces on a particle; 11. Particle interactions with walls and other particles.