Aerodynamics of Wind Turbines, 2nd editionRoutledge, 13.05.2013 - 192 Seiten Aerodynamics of Wind Turbines is the established essential text for the fundamental solutions to efficient wind turbine design. Now in its second edition, it has been entirely updated and substantially extended to reflect advances in technology, research into rotor aerodynamics and the structural response of the wind turbine structure. 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 new material includes a description of 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. Further, the description of how to calculate the vibration of the whole construction, as well as the time varying loads, has been substantially updated. |
Inhalt
1 General Introduction to Wind Turbines | 1 |
2 2D Aerodynamics | 7 |
3 3D Aerodynamics | 18 |
4 1D Momentum Theory for an Ideal Wind Turbine | 27 |
5 Shrouded Rotors | 41 |
6 The Classical Blade Element Momentum Method | 45 |
7 ControlRegulation and Safety Systems | 63 |
8 Optimization | 78 |
11 Beam Theory for the Wind Turbine Blade | 107 |
12 Dynamic Structural Model of a Wind Turbine | 125 |
13 Sources of Loads on a Wind Turbine | 139 |
14 Wind Simulation | 147 |
15 Fatigue | 157 |
16 Final Remarks | 162 |
Basic Equations in Fluid Mechanics | 167 |
Symbols | 171 |
Andere Ausgaben - Alle anzeigen
Aerodynamics of Wind Turbines: Rotors, Loads and Structure Martin O. L. Hansen Eingeschränkte Leseprobe - 2000 |
Häufige Begriffe und Wortgruppen
acceleration adverse pressure gradient aeroelastic aerofoil data airfoil angle of attack annual energy production approximately axial induction factor axial velocity beam bending moment bending moments Betz limit boundary layer C₁ calculated computed constant control volume coordinate system damping denotes drag coefficients dynamic stall edgewise eigenmode equation example flapwise eigenmode frequency Glauert high wind speed induced velocity inertia leading edge lift coefficient method momentum theory normal number of blades optimum pitch angle pitch regulated wind power coefficient power curve power output Prandtl's tip loss pressure gradient principal axis radius regulated wind turbine relative velocity rotational speed rotor plane shear shown in Figure stall regulated wind stiffness streamlines tangential thrust coefficient tip loss factor tip speed ratio torque tower trailing edge turbulent vector vortex system vortices wake Wind Energy wind shear wind speed wind turbine blade wind turbine construction wing zero