Cálculo de carregamento aerodinâmico em pá de gerador eólico empregando Vortex Lattice Method

Abstract

In order to make it possible to use micro wind generators, it is appropriate to passively control the pitch angle. To make this control using composite materials through aeroelastic tailoring it is necessary to know the aerodynamic loading. In the present work the Vortex Lattice Method (VLM) was used to calculate the aerodynamic load on a wind turbine generator. For this development, topics of the Blade Element Method (BEM) and aerodynamic theory were discussed. For VLM use, the blade is divided into a mesh, where each element receives a control point and a vortex horseshoe. With the non-permeability condition of the blade wall, it is possible to calculate the loading at each point. The obtained results are close to those obtained by the BEM method, present in the literature. It shows the reliability of the VLM and its potential to be used in the design of the blades of the wind generator.