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Full Description
Aerodynamics of Wind Turbines is the established essential text for the fundamental solutions to efficient wind turbine design. Now in its third edition, it has been substantially updated with respect to structural dynamics and control. The new control chapter now includes details on how to design a classical pitch and torque regulator to control rotational speed and power, while the section on structural dynamics has been extended with a simplified mechanical system explaining the phenomena of forward and backward whirling modes. Readers will also benefit from a new chapter on Vertical Axis Wind Turbines (VAWT).
Topics covered include increasing mass flow through the turbine, performance at low and high wind speeds, assessment of the extreme conditions under which the turbine will perform and the theory for calculating the lifetime of the turbine. The classical Blade Element Momentum method is also covered, as are eigenmodes and the dynamic behaviour of a turbine.
The book describes the effects of the dynamics and how this can be modelled in an aeroelastic code, which is widely used in the design and verification of modern wind turbines. Furthermore, it examines how to calculate the vibration of the whole construction, as well as the time varying loads and global case studies.
Contents
Preface 1. General Introduction to Wind Turbines 2. 2-D Aerodynamics 3. 3-D Aerodynamics 4. 1-D Momentum Theory for an Ideal Wind Turbine 5. Shrouded Rotors 6. The Classical Blade Element Momentum Method 7. Control/Regulation and Safety Systems 8. Optimization 9. Unsteady BEM Model 10.Introduction to Loads and Structures 11. Beam Theory for the Wind Turbine Blade 12. Dynamic Structural Model of a Wind Turbine 13. Sources of Loads on a Wind Turbine 14. Wind Simulation 15. Fatigue 16. Vertical Axis Wind Turbines 17. Final Remarks Appendix A Appendix B
