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풍력터빈 가속장치에 의한 소형수직축 풍력터빈 주위 유동 수치해석
허진석,이상호,김현아,국민호,전필수,국성규 한국기계기술학회 2015 한국기계기술학회 학술대회논문집 Vol.2015 No.03
In this study, flow characteristic of small vertical-axis wind turbine was performed to analysis the numerical analysis. Blade geometry in the wind turbine is NACA 6512-43, and various degrees of the wind turbine accelerator were adopted. Numerical models are used for the analysis with CFD program of Ansys fluent and RNG k-e turbulence model was used. Rotational speed value of the wind turbine in analysis condition were obtained by the experiment. When the wind turbine accelerator is equipped, exit velocity of wind turbine accelerator tended to increases. Also RPM of wind turbine is increase. And maximum RPM appeared that wind turbine accelerator in degree 60° is equipped.