Aerodynamic calculation of loads and dynamic behavior of wind ...

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turbine, present an agreement between the results of this algorithm and the ones found in the literature. The first diagram represents the variation of the attack angle across the blade, while the second and third diagrams refer to the variation of the axial and tangential induction factors with radius, respectively. Each one of the parameters above is calculated for a range of Tip Speed Ratios, as the legend of each chart shows. The wind turbine, under examination, is a 3-blade one, with a rotor diameter of 17m and the characteristics that appear on the following table: Table 4.1: Blade design of a 17m-diameter rotor 50
(a) (b) (c) Figure 4.2: Comparison between the results of reference [1] and this thesis’s algorithm, regarding the distribution of the inflow angle (a), the axial induction factor (b) and the tangential induction factor (c) along the blade 51
Page 1: NATIONAL TECHNICAL UNIVERSITY OF AT
Page 5 and 6: Βεξλάξδνο ΢. M. (2013).
Page 7 and 8: ΔΘΝΙΚΟ ΜΔΣ΢ΟΒΙΟ ΠΟ
Page 9: Acknowledgements The completion of
Page 12: for several wind turbines and diffe
Page 16: Figure 2.3: Turbulence intensities
Page 35: Figure 3.6: Tangential velocity gro
Page 48 and 49: 4 The algorithm 4.1 General Hopeful
Page 52 and 53: The similarity between each pair of
Page 54 and 55: Rotational speed: 27.1 rpm; Air den
Page 56 and 57: Out-Of-Plane Force (KN) Out-Of-Plan
Page 58 and 59: In-Plane Force (KN) In-Plane Force
Page 60 and 61: Wind Velocity (m/s) Wind Velocity (
Page 62 and 63: Wind Velocity (m/s) Wind Velocity (
Page 64 and 65: Figure 5.5: Wind-velocity time hist
Page 67 and 68: 6 Dynamic Analysis 6.1 General In t
Page 69 and 70: Modulus of Elasticity, E Poisson's
Page 71 and 72: Time 32 0.107919 0.00000193 -1.097E
Page 73 and 74: Time 120 0.557838 0.000144 1.23E-11
Page 75: Time 208 0.970083 0.00038 1.929E-11
Page 78 and 79: 42 -37.672 -8.117 -0.00007634 61.05
Page 80 and 81: 130 -189.183 78.7 0.0004321 -591.96
Page 82: 218 -821.262 170.653 0.0007252 -128
Page 86 and 87: 8 References 1. Burton T., Sharpe D
Page 88: 31. Baniotopoulos C. Lavassas I., N

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