COURSE PROGRAM


 

Contents

  • I1 Introduction and basic concepts. Gallery of basic phenomena, micro- to macro- scale (molecular dynamics/continuum approaches), contact angle, Young equation, Laplace pressure, Free Gibbs Energy, Marangoni effects - Amirfazli
     
  • I2 Introduction to fluid mechanics of liquid interfaces. Basic equations, Navier-Stokes equations for capillary flows, liquid jet break-up - Marengo
     
  • I3 Surface tension & measurement techniques. Equilibrium and dynamic surface tension. De Nouy/Wilhelmy, sessile drop and pendant drop (ADSA), maximum bubble pressure. - Bertola
     
  • D1 Dynamics of drops deposited on a surface. Sessile drops, spreading law, apparent and real contact angles. Drop shedding, contact angle hysteresis. - Amirfazli
     
  • D2 Introduction to drop-wall interactions. Drop impact on dry and wetted surfaces. Morphology. Shallow and thick layers. Splashing correlations. - Marengo
     
  • D3 Drop impact with a solid surface. Impact regimes, impact models, drop rebound. - Bertola
     
  • D4 Drop impact on heated surfaces. Introduction to drop impact onto heated surfaces. Impact regime maps. Transitions. Dynamic Leidenfrost temperature. Control of secondary atomization and splashing. - Marengo
     
  • D5 Heat and mass transfer in drops. Mono-component droplet heating and evaporation. Abramzon and Sirignano model. - Bertola
     
  • A1 Superhydrophobicity. Application of superhydrophobic surfaces. Cassie-Wenzel and competing theories. Types of SHS and manufacturing techniques. Impact on SHS surfaces. Impalement transition. - Amirfazli
     
  • NN1 Introduction to non-Newtonian fluids. Constitutive models and practical examples (polymer solutions and melts, gels, etc.). Power-law fluids, viscoplastic fluids, viscoelastic fluids. Non-Newtonian fluid design. Elements of rheological measurements. - Bertola
     
  • NN2 Impact of non-Newtonian drops. Formation of non-Newtonian droplets by capillary breakup. Impact of power-law and viscoplastic drops on solid surfaces. Impact of dilute polymer solution drops. Dynamic wetting. - Bertola
     
  • A2/3 Applications of what you learned in the course. (a) Inkjet technology: Design of printheads, waveforms, ink formulations (b) Metal deposition, (c) 3D printing, (d) Microlens manufacturing. - Amirfazli/Marengo
     
  • NU1 Introduction to modeling approaches to simulate interfaces, drops and bubbles. Introduction and basic modeling concepts, Lagrangian and Eulerian approaches. The Lagrangian Particle Tracking approach: basics and applications. - Soldati
     
  • NU2/3 Modeling approaches to simulate interfaces, drops and bubbles in turbulence. The phase field approach: basics and applications. The sharp interface approach: basics and applications. - Zonta
     
  • HPC1 Basics of parallel computing for fluid dynamics. Introduction to MPI, point to point message passing, blocking/non-blocking, one-sided/two-sided, collectives, shared memory in MPI, groups and communicators, topologies and parallel I/O. Examples and applications (hands on computer sessions). - Reichl