Numerical Simulation of Swirling Flow in Complex Hydroturbine Draft Tube Using Unsteady Statistical Turbulence Models

Keyphrases

• Numerical Simulation 100%
• Turbulence Model 100%
• Hydro Turbine 100%
• Draft Tube 100%
• Detached Eddy Simulation 100%
• Swirling Flow 100%
• URANS 66%
• Reynolds number 33%
• Numerical Methods 33%
• Domain Decomposition 33%
• Vortex 33%
• Elbow 33%
• Rope 33%
• Finite Volume 33%
• Flow Phenomena 33%
• Three-dimensional Flow 33%
• Second-order Accurate 33%
• Mean Velocity Profile 33%
• Overset 33%
• Turbulence Statistics 33%
• Dual-time Stepping 33%
• Artificial Compressibility 33%
• General Shape 33%
• Diffuser 33%
• Vortex Breakdown 33%
• Chimera Grid 33%
• Unsteady Reynolds-averaged Navier-stokes Simulation 33%
• Complex 3D Geometries 33%
• Governing Equations 33%
• Geometric Complexity 33%
• Large-scale Instabilities 33%

Engineering

• Water Turbine 100%
• Reynolds-Averaged Navier-Stokes 100%
• Draft Tube 100%
• Detached Eddy Simulation 100%
• Swirling Flow 100%
• Computer Simulation 100%
• Nodes 33%
• Velocity Profile 33%
• Compressibility 33%
• Numerical Methods 33%
• Reynolds' Number 33%
• Domain Decomposition 33%
• Coherent Structure 33%
• Flow Phenomenon 33%
• Diffusers 33%
• Dual Time 33%
• Finite Volume 33%

Physics

• Turbulence Model 100%
• Swirling Flow 100%
• Numerical Simulation 100%
• Reynolds Number 50%
• Mathematical Method 50%
• Compressibility 50%
• Vortex Breakdown 50%