Wind Turbine Design

CollectionCursus ISBN9782553009310 EditorPresses internationales Polytechnique pages442 Published2002-06-11
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AUTHOR
Ion Paraschivoiu enjoys a good reputation in the wind energy fraternity for his significant contributions to the theory of the aerodynamic performance of the Darrieus vertical axis wind turbine. His software programs for these calculations, described in the book, have been used successfully by others for design purposes and to assist in the evaluation of VAWT field tests. Dr. Ion Paraschivoiu is J.-A. Bombardier Aeronautical Chair Professor at École Polytechnique de Montréal where he is teaching undergraduate and graduate courses in Aerodynamics. His other research interests include application of advanced aerodynamics methods in the study of aircraft icing, drag prediction and laminar-flow control.

The depletion of global fossil fuel reserves combined with mounting environmental concerns has served to focus attention on the development of ecologically compatible and renewable "alternative" sources of energy.

Wind energy, with its impressive growth rate of 40% over the last five years, is the fastest growing alternate source of energy in the world since its purely economic potential is complemented by its great positive environmental impact. The wind turbine, whether it may be a Horizontal-Axis Wind Turbine (HAWT) or a Vertical-Axis Wind Turbine (VAWT), offers a practical way to convert the wind energy into electrical or mechanical energy. Although this book focuses on the aerodynamic design and performance of VAWTs based on the Darrieus concept, it also discusses the comparison between HAWTs and VAWTs, future trends in design and the inherent socio-economic and environmental friendly aspects of wind energy as an alternate source of energy.

This book will be of great interest to students in Mechanical and Aeronautical Engineering field, professional engineers, university professors end researchers in universities, government and industry. It will also be of interest to all researchers involved in theoretical, computational and experimental methods used in wind turbine design and wind energy development.

Blurb

The depletion of global fossil fuel reserves combined with mounting environmental concerns has served to focus attention on the development of ecologically compatible and renewable "alternative" sources of energy.

Wind energy, with its impressive growth rate of 40% over the last five years, is the fastest growing alternate source of energy in the world since its purely economic potential is complemented by its great positive environmental impact. The wind turbine, whether it may be a Horizontal-Axis Wind Turbine (HAWT) or a Vertical-Axis Wind Turbine (VAWT), offers a practical way to convert the wind energy into electrical or mechanical energy. Although this book focuses on the aerodynamic design and performance of VAWTs based on the Darrieus concept, it also discusses the comparison between HAWTs and VAWTs, future trends in design and the inherent socio-economic and environmental friendly aspects of wind energy as an alternate source of energy.

This book will be of great interest to students in Mechanical and Aeronautical Engineering field, professional engineers, university professors end researchers in universities, government and industry. It will also be of interest to all researchers involved in theoretical, computational and experimental methods used in wind turbine design and wind energy development.
Chapter 1 - Wind Energy
Wind Definition and Characteristics. Wind Turbines. Wind Energy Applications. Benefits and Obstacles in Wind Energy Development. Overview of Wind Energy Development. Wind Energy Developed in the World. Cost of Wind Energy. Social cost of Wind Energy.

Chapter 2 - State-of-the-Art of Vertical-Axis Wind Turbines
The Madaras Rotor Concept. Savonius Rotor. Drag-Driven Device. Lift-Driven Device. Giromill. Vortex Modelling Cross-Wind Axis Machine. Aerodynamic Characteristics.

Chapter 3 - The Darrieus Wind-Turbine Concept
Introduction. Geometry of the Darrieus Rotor.

Chapter 4 - Aerodynamic Performance Prediction Models
Single Streamtube Model. Multiple Streamtubes Model. Vortex Models. A High Speed Lifting Line Model for Darrieus Turbines. Local-Circulation Model.

Chapter 5 - Unsteady Aerodynamics CFD Models
Introduction. Numerical Procedure. Turbulence Modelling. Results and Discussion. Conclusions and Recommendations.

Chapter 6 - Double-Multiple-Streamtube : A Practical Design Model
Double Actuator Disk Theory. Double Actuator Disk Momentum Theory. Blade Element Theory. Double-Multiple-Streamtube Model for Studying Darrieus Turbine. Aerodynamic Analysis of the Darrieus Wind Turbines Including Dynamic-Stall Effects. Darrieus Rotor Aerodynamics in Turbulent Wind. Comparison between DMS Model and Other Computer Codes. Blade Tip and Finite Aspect Ratio Effects on the Darrieus Rotor. Performance Predictions of VAWTs with SNL Airfoil Blades. CARDAAV Software.

Chapter 7 - Aerodynamic Loads and Performance Tests
Water Channel Experiments. Wind Tunnel Experiments. Field Test of Darrieus Wind Turbines. Commercial Prototype Wind Turbines. Measurements and Prediction of Aerodynamic Torques for a Darrieus Wind Turbine.

Chapter 8 - Innovative Aerodynamic Devices for Darrieus Rotor
Natural Laminar Flow (NLF) Airfoils and Tapered Blades. Aerobrakes. Vortex Generators. Pumped Spoiling. Toe-in-Angle Effects. Blade Camber. Blade Roughness (Soiling), Blade Icing and Parasite Drag Effects.

Chapter 9 - Future Trends Design of Darrieus Wind Turbine
Wind Turbine Design Parameters. Darrieus Wind Turbine Design. Comparison between Horizontal-Axis and Vertical-Axis Wind Turbines.

Chapter 10 - Acceptability, Environmental and Social Aspects of Wind Energy
Introduction. Environmental Aspects. Gas Emissions : Wind and Other Energy Sources. Public Attitude in Different Countries
Social Impact. Wind Power and Traditional Power Sources.

Appendix A - Aerodynamic Characteristics of Symmetrical Airfoils
Appendix B - Canada and Worldwide Wind Energy Production
Appendix C - Wind Energy on the World Web

Index