This paper analyzes the instantaneous and averaged velocity field in the area of the Dar-
rieus wind turbine. The analyzed two-dimensional rotor model consists of two NACA0018
airfoils and a rotating shaft. The working parameters of the rotor correspond to modera-
te aerodynamic loads of the blades. The research has been carried out with an innovative
method called the Actuator Cell Model. The initial results obtained were compared with
the author’s earlier results obtained with the SST k-! model and with experimental studies
taken from the literature.
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