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Wind turbines : types, economics and development /

Detalles Bibliográficos
Clasificación:Libro Electrónico
Otros Autores: Martin, Gerard (Editor ), Roux, Jeremie (Editor )
Formato: Electrónico eBook
Idioma:Inglés
Publicado: New York : Nova Science Publishers, Inc., [2010]
Colección:Energy science, engineering and technology series.
Temas:
Acceso en línea:Texto completo
Tabla de Contenidos:
  • WIND TURBINES: TYPES, ECONOMICSAND DEVELOPMENT; WIND TURBINES: TYPES, ECONOMICSAND DEVELOPMENT; CONTENTS; PREFACE; PREDICTING VERTICAL AXIS WIND TURBINEBEHAVIOUR: EFFECTS OF BLADE CONFIGURATIONON FLOW DISTRIBUTION AND POWER OUTPUT; Abstract; Nomenclature; Greek Symbols; Introduction; 2. Wind Energy; 2.1. Advantages of Wind Power; 2.2. Growth in Wind Power Capacity; 2.3. Importance of Policies and Incentives for Wind Energy; 3. Wind Turbines; 3.1. Types of Wind Turbines; 3.2. Applications; 3.3. Comparison of Wind Turbine Types; 4. Vertical Axis Wind Turbines; 4.1. Origins.
  • 4.2. Darrieus Lift-Based Vawt4.3. Savonius Drag-Based VAWT; 4.4. Recent Developments in Drag-Based VAWTs; 4.5. Zephyr and Pacwind VAWTs; 5. Aerodynamics and Performance; 5.1. Aerodynamic Theory and Performance Characteristics; 5.1.1. Lift Force; 5.1.2. Drag Force; 5.1.3. Reynolds Number; 5.1.4. Blade Solidity; 5.1.5. Tip Speed Ratio; 5.1.6. Bezt Number; 5.2. Rotor Performance Parameters; 5.3. Blade Element Theory; 5.4. Torque and Power; 5.5. Single Stream-Tube Model; 5.6. Computational Fluid Dynamics; 6. Zephyr Turbine Design and Modification; 7. Numerical Simulations.
  • 7.1. Numerical Methodology7.2. Computational Procedure; 7.2.1. Mathematical Formulation; 7.2.2. Governing Equations; 7.2.3. Discretization of Governing Equations and Domain; 7.3. Numerical Model; 7.4. Power and Efficiency; 8. Results and Discussion; 8.1. Performance Results; 8.2. Torque and Power; 8.3. Power Coefficient; 8.4. Effects of Geometry Modification; 8.5. Grid Sensitivity; 8.6. Comparison of Zephyr and Pacwind Turbines; 8.7. Lift and Drag Coefficients; 8.8. Velocity and Pressure Profiles; 9. Conclusions; Acknowledgments; References.
  • DEVELOPMENTS IN THE CONCEPT AND SCALEOF WIND TURBINES FOR OFFSHORE APPLICATIONAbstract; Introduction; Offshore Wing Energy: The Driver for Turbine Change; A Brief History; The Consequences of Going Offshore; Surface Conditions; Wind Climate; Air Conditions; Biological Environment; Societal Environment; The Roots for Upscaling and Change of Offshore Wind Turbines; Upscaling; Introduction; Similarity Rules: A First-Order Assessment of Scale Effects; Principles of Similarity Rules; Mass; Power, Energy Yield and Rated Power; Structural Properties; Upscaling of Turbines and Components in Practice.
  • Discussion of Similarity Rules Versus Upscaling in PracticeEvolution of Technology; Introduction; Changes to Components of Realised Turbines; Adjustment to the Environment; Purpose of Change; Future Developments; Further Upscaling; Conceptual Variation; Introduction; Drive Train: Gearbox and Generator; Control: Advanced and Smart or Simple and Robust; Tip Speed; Number of Blades; Upwind / Downwind; More Radical New Concepts; Introduction; Aerogenerator; Wind Energy Marine Unit-WEMU; Conclusion; Acknowledgments; References; MODELLING WIND FARMS FOR POWER SYSTEMSIMULATIONS; Abstract.