Abstrakt
The main purpose of this article is to verify and validate the
mathematical description of the airflow around a wind turbine with
vertical axis of rotation, which could be considered as representative for
this type of devices. Mathematical modeling of the airflow around wind
turbines in particular those with the vertical axis is a problematic
matter due to the complex nature of this highly swirled flow. Moreover, it
is turbulent flow accompanied by a rotation of the rotor and the dynamic
boundary layer separation. In such conditions, the key aspects of the
mathematical model are accurate turbulence description, definition of
circular motion as well as accompanying effects like centrifugal force or
the Coriolis force and parameters of spatial and temporal discretization.
The paper presents the impact of the different simulation parameters on
the obtained results of the wind turbine simulation. Analysed models have
been validated against experimental data published in the literature.
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