Abstract
This work reviews briefly the basis of the strip theory or Blade Element/Momentum method and its most used approaches for design and performance prediction of Horizontal-Axis Wind Turbines – HAWT, and proposes a new improved approach for the whole extension of the Tip Speed Ratio – TSR region. The results are compared to others found in the literature and to available experimental data. It is concluded that the proposed model provides similar results to the compared models to regions of TSR greater than 2, as is the case of the electricity-generating fast-running turbines, and extends the validity of these methods to regions of TSR smaller than 2, generally the case of multi-bladed HAWT employed for water pumping.
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