This paper describes the modification of an existing lifting line model through the inclusion of a full wake alignment model. Optimum circulation distributions along the blade turbines are determined based on geometrical and operational parameters and the inflow conditions. The results obtained with the new model are compared with previous optimum efficiencies, and the effects of viscous drag are included through a drag-to-lift ratio. A design procedure is finally proposed by means of a vortex-lattice method.
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