Aggregation and fragmentation dynamics of inertial particles in fluid flows [Elektronische Ressource] / von Jens C. Zahnow

Aggregation and Fragmentation Dynamicsof Inertial Particles in Fluid FlowsVon der Fakult¨at fu¨r Mathematik und Naturwissenschaftender Carl von Ossietzky Universit¨at Oldenburgzur Erlangung des Grades und Titels einesDoktor der Naturwissenschaften (Dr. rer. nat.)angenommene DissertationvonDipl.-Phys. Jens C. Zahnow,geboren am 04. Januar 1982in Duisburg.Gutachterin: Prof. Dr. Ulrike FeudelZweitgutacher: Prof. Dr. Tam´as T´elTag der Disputation: 03.12.2010Contents1. Introduction 72. Dynamics of Particles in Flows 172.1. Multiphase Flows - Suspensions of Particles . . . . . . . . . . . . . . . . . 172.1.1. Basic concepts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 182.1.2. Approximations to Describe Particle-Laden Flows . . . . . . . . . 232.2. Mixed-Fluid Multiphase Flows: Tracer Particles. . . . . . . . . . . . . . . 252.2.1. One-Way Coupled Eulerian Mixed-Fluid . . . . . . . . . . . . . . . 252.2.2.ay Lagrangian . . . . . . . . . . . . . 282.2.3. Two-Way Particle-Flow Coupling for Mixed-Fluids . . . . . . . . . 322.3. Separated-Fluid Multiphase Flows: Inertial Particles . . . . . . . . . . . . 342.3.1. Approaches to Calculate the Surface Force and Torque on a Particle 352.3.2. Theoretical Results: Maxey-Riley and Auton-Hunt-Prud’homme . 372.3.3. One-Way Particle-Flow Coupling: Dissipative Particle Dynamics . 452.3.4. Two-Way Pw Coupling and Particle-Particle Interactions 502.4. Conclusions . . . . . . . . . . . . . . . . . . . . . .