Long-Term Research Challenges in Wind Energy - a Research Agenda by the European Academy of Wind Energy
In: Research Topics in Wind Energy Ser. v.6
Intro -- Preface -- Contents -- Acknowledgements -- Introduction -- Materials and Structures -- 1.1 How Will Multi-scale Modelling Improve Materials and Structures? -- 1.1.1 Missing Links in Current Damage and Failure Process Predictions? -- 1.1.2 Multi-scale Experimental Observations? -- 1.1.3 Linking (Microscopic) Damage State with Macroscopic Observations into Health-Based Strategies -- 1.2 How Can New Materials Be Developed? -- 1.2.1 Materials Science -- 1.2.2 From Material to Application -- 1.3 How Do Joints Really Work? -- 1.3.1 Connections -- Wind and Turbulence -- 2.1 How Should We Characterise the Dynamical Inflow Conditions? -- 2.1.1 Parameters for Wind Turbulence -- 2.1.2 Pattern of Wind -- 2.1.3 Orographic Dependences -- 2.2 What Is the Importance of Open Questions on Turbulence? -- 2.2.1 Small-Scale Turbulence -- 2.2.2 Structures Within a Turbulence Situation -- 2.2.3 Turbulence Validation -- 2.3 How Can One Model Wind, as an Energy Resource, in Space and Time? -- 2.3.1 Forecasting Weather and Climate -- 2.3.2 Limits of Predictability -- Aerodynamics -- 3.1 Is the Acceleration of CFD Codes the Main Challenge, or Do We Still Have Physical Problems to Solve in Rotor Analysis? -- 3.1.1 Improvement of Simplified and Low-Fidelity Models -- 3.1.2 Hybrid Models and Eulerian-Lagrangian Formulation -- 3.1.3 Uncertainty Quantification -- 3.1.4 Experimental Simulation and Model Validation -- 3.1.5 Unsteady Fluid-Structure-Control Interaction -- 3.2 How Can the Aerofoil Concept Be Extended Towards an Unsteady Three-Dimensional Flow? -- 3.2.1 Flow Separation and 3D Stall -- 3.2.2 Roughness, Transition and Turbulence -- 3.2.3 Flow Control Devices and 3-D Unsteady Flow -- 3.2.4 Aerofoil Aeroacoustics -- 3.3 How Do Wake and Wake-Wake Interaction Effects Depend on Near-Wake and Blade Flow Details?.