Computational fluid dynamic analysis for three-hastate vertical axis wind wheel

Three-hastate vertical axis wind wheel, a novel type rotor with high efficiency, can be able to actualize wind energy conversion by the lumen twice driven principle, based on the theoretical analysis of the rotor´s geometric structure in this research. The computational fluid dynamic analyses, which detect the aerodynamic characteristic of the rotor further, are also described by using the multiple reference frames and sliding mesh method. The geometrical structure of the rotor is redesigned by the experiment for improving the conversion efficiency. Some aerodynamic properties are obtained such as the relationships between rotational speed (i.e. wind speed) and the tip speed ratio, the speed vector distributions of the rotor in different locations, also the torque moment characteristics to over time. The experimental detection is carried out for the proposed approach by the straight-flow wind tunnel equipment.