High-order lattice Boltzmann for nonideal fluid mixtures

Research output: ThesisDoctoral Thesis

Abstract

Nonideal fluid mixtures are ubiquitous in nature and the study of their fundamental dynamics is important in many areas of modern science, such as miniaturized flow processes for portable small-scale medical diagnostic tools. However, numerical simulations of such flows face a formidable multi-scale challenge due to the competing nonideal interactions. This thesis presents a novel numerical model for simulating nonideal fluid mixtures based on high-order lattice Boltzmann methods. A solution to gauge the physical interpretations of nonideal interactions is proposed and with this, previously unknown transport properties are derived, including, the equation of state, interface tension, diffusion coefficient, and contact angle
Original languageEnglish
QualificationDoctor of Philosophy
Awarding Institution
  • Queensland University of Technology
Supervisors/Advisors
  • Sauret, Emilie , Supervisor, External person
  • Gu, YuanTong , Supervisor, External person
Award date25 May 2020
Place of PublicationQueensland
Publisher
DOIs
Publication statusPublished - 22 May 2020

Keywords

  • Lattice Boltzmann methods
  • Computational physics
  • Computational fluid modelling
  • Nonideal fluids
  • Interactions in fluids
  • Complex fluids
  • Multicomponent flows
  • Multiphase flows
  • Fluid mixtures

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