General Momentum Theory for Horizontal Axis Wind Turbines by Jens Nørkær Sørensen

Author:Jens Nørkær Sørensen
Language: eng
Format: epub
Publisher: Springer International Publishing, Cham

Fig. 6.10Streamlines showing the appearance of vortex breakdown for rotor running at a tip speed ratio and various b values, corresponding to different swirl numbers S. a b = 0.25; S = 1.13. b b = 0.28; S = 1.26. c b = 0.30; S = 1.34. d b = 0.32; S = 1.42. e b = 0.34; S = 1.50. f b = 0.36; S = 1.59. g b = 0.38; S = 1.67. h b = 0.40; S = 1.75. i b = 0.42; S = 1.82. j b = 0.45; S = 1.94

Fig. 6.11Non-dimensional axial velocity profiles at different axial stations for tip speed ratio

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