Direct Numerical Simulation of Very-Large-Scale Motions in Turbulent Pipe Flow

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Detalles Bibliográficos
Clasificación:Libro Electrónico
Autor principal: Bauer, Christian
Formato: Electrónico eBook
Idioma:Inglés
Publicado: Göttingen : Cuvillier Verlag, 2021.
Temas:
Turbulence.
Acceso en línea:Texto completo
Tabla de Contenidos:
  • Intro
  • List of Figures
  • List of Tables
  • Nomenclature
  • Chapter 1 Introduction
  • 1.1 Background
  • 1.1.1 Direct Numerical Simulation
  • 1.1.2 Turbulent Pipe Flow
  • 1.2 Fundamentals
  • 1.2.1 Flow Geometry
  • 1.2.2 Equations of Fluid Motion
  • 1.2.3 Statistical Description of Turbulence
  • 1.2.4 The Scales of Turbulent Motions
  • 1.2.5 Wall-bounded Turbulence
  • 1.2.6 Inter-scale Energy Flux
  • 1.3 Goals and Outline
  • Chapter 2 Numerical Methodology
  • 2.1 Discretisation
  • 2.1.1 Spatial Discretisation
  • 2.1.2 Temporal Discretisation
  • 2.2 Time Integration and Poisson Solver
  • 2.3 Parallelisation
  • Chapter 3 Domain-length Dependency ofTurbulent Pipe Flow
  • Chapter 4 Scaling and Interaction of CoherentStructures in Turbulent Pipe Flow
  • 4.1 Instantaneous Flow Field Observation
  • 4.1.1 Velocity Spikes
  • 4.1.2 Velocity Streaks and VLSMs
  • 4.2 One-point Statistics
  • 4.2.1 Convergence of One-point Statistics
  • 4.2.2 Scaling of One-point Statistics
  • 4.3 Two-point Statistics
  • 4.3.1 Velocity Spikes
  • 4.3.2 Velocity Streaks and VLSMs
  • 4.4 Coherent Structure Interaction
  • 4.5 Conditional Averaging
  • 4.6 Concluding Remarks
  • Chapter 5 Scale-by-scale Energy Budget
  • 5.1 Filtering
  • 5.2 Derivation of Energy Transport Equations
  • 5.3 The Streamwise Reynolds Stress Budget of theFiltered Velocity Field
  • 5.4 The Inter-scale Energy Flux Term
  • 5.5 The Subfilter-scale Diffusion Term
  • 5.6 The Production Term of the Filtered Field
  • 5.7 Concluding Remarks
  • Chapter 6 Conclusions
  • Epilogue
  • Bibliography
  • Appendix A Mathematical Relations andOperators
  • Appendix B Derivation of the Turbulent KineticEnergy Budget in CylindricalCoordinates
  • Appendix C Domain-length Dependency of theInstantaneous Streamwise Velocity
  • Appendix D Convergence of StatisticalMoments in the Bulk Flow
  • Appendix E One-dimensional Pre-multipliedEnergy Spectra
  • Appendix F Supplementary Figures toChapter 5

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