Hybrid Particle Laden Flow Modelling

Table of Contents

• Abstract
• Zusammenfassung
• 1 Introduction
• 1.1 Motivation
• 1.2 Objective
• 1.3 Structure of the Thesis
• 2 Fundamentals
• 2.1 Governing Equations for Fluid Flow
• 2.2 Discrete Particle Modelling
• 2.3 Eulerian-Lagrangian Coupling
• 3 Numerical Methods
• 3.1 Finite Volume Method
• 3.2 Discrete Element Method
• 3.3 Coupling Approaches
• 4 Validation and Application
• 4.1 Validation Cases
• 4.2 Industrial Application
• 5 Conclusion
• List of Symbols
• References

Objectives and Key Themes

This dissertation focuses on developing a hybrid numerical method for modeling particle-laden flows. The main objective is to combine the advantages of Eulerian and Lagrangian approaches to achieve a more accurate and efficient simulation method. Key themes explored in the dissertation include:

• Development of a hybrid particle-laden flow model
• Integration of Eulerian and Lagrangian simulation techniques
• Validation of the model against experimental data
• Application of the model to industrial problems
• Analysis of the influence of particle properties and flow conditions on the simulation results

Chapter Summaries

Chapter 1 introduces the motivation and objective of the dissertation. It provides a brief overview of particle-laden flows and the challenges associated with their simulation. The chapter also outlines the structure of the thesis. Chapter 2 reviews the fundamental equations governing fluid flow and introduces the concepts of discrete particle modeling and Eulerian-Lagrangian coupling. It discusses the advantages and disadvantages of different modeling approaches. Chapter 3 describes the numerical methods used in the dissertation. It presents details about the finite volume method for solving the fluid flow equations and the discrete element method for simulating particle motion. It also discusses various coupling approaches for integrating the two methods. Chapter 4 focuses on the validation and application of the developed hybrid model. It presents validation cases using experimental data and an industrial application of the model.

Keywords

The primary focus of this dissertation is on particle-laden flows, hybrid modeling techniques, Eulerian-Lagrangian coupling, finite volume method, discrete element method, validation, and industrial applications. The work investigates the development and application of a comprehensive model for simulating complex multiphase flows involving particles.