Sökning: "finite-size particles"
Visar resultat 1 - 5 av 13 avhandlingar innehållade orden finite-size particles.
1. Transport and mixing by finite-size particles in turbulent flows
Sammanfattning : Suspensions of solid particles in a viscous fluid are ubiquitous in natural and engineering settings, including sediment transport in river beds, blood flow in the human body, oil products transport in pipelines and pulp fibers in papermaking. Multiphase flows consisting of finite-size particles is a challenging topic due to multi-way coupling and interactions between the phases. LÄS MER
2. Experimental studies of large particles in Newtonian and non-Newtonian fluids
Sammanfattning : In everyday human life, laminar flow is arguably an exception whereas turbulent flow is the norm. Yet, the former has been much better understood, naturally since laminar flow renders itself to treatment in a relatively easier fashion compared to turbulence with its chaotic dynamics across multiple scales in space and time. LÄS MER
3. A study of finite-size and non-perturbative effects on the van der Waals and the Casimir-Polder forces
Sammanfattning : This licentiate thesis addresses two important aspects of the van der Waals and the Casimir-Polder ground-state and excited-state (resonance) interactions between two atoms or molecules. The first is the finite-size effect and the second is the non-perturbative effect. LÄS MER
4. Suspensions of finite-size rigid particles in laminar and turbulent flows
Sammanfattning : Dispersed multiphase flows occur in many biological, engineering and geophysical applications. Understanding the behavior of suspensions is a difficult task. In the present work, we numerically study the behavior of suspensions of finite-size rigid particles in different flows. LÄS MER
5. Suspensions of finite-size rigid spheres in different flow cases
Sammanfattning : Dispersed multiphase flows occur in many biological, engineering and geophysical applications such asfluidized beds, soot particle dispersion and pyroclastic flows. Understanding the behavior of suspensionsis a very difficult task. LÄS MER