Research of workflow of vertical wind turbines by numerical simulation
DOI:
https://doi.org/10.15587/1729-4061.2013.14834Keywords:
numerical simulation, aerodynamic characteristics, vertical wind turbine, turbulence model, airfoilAbstract
The article presents the results of the numerical simulation of vertical wind turbines with calculated system ANSYS CFX. The basic steps of calculation were described in details. The object of the research is an open airfoil. The comparative data of construction of the calculated domain, using the surface of an interface and without it was presented. A possibility of using the calculated domain without the interface surface in order to save computational resources without compromising the accuracy of the calculation was grounded. The calculation was carried out and there is a comparison of the experimental and calculated aerodynamic characteristics under conditions that different models of turbulence are used. It was proved that the most adequate results of prediction of aerodynamic characteristics of the vertical wind turbine are provided by the SSG turbulence model. To improve the accuracy of the calculated experiment it was suggested to use the empirical coefficient.
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