Performance improvement of a vertical axis wind turbine by comprehensive assessment of an airfoil family

Studies on lift-type VAWTs are far fewer than those on horizontal VAWTS, especially in the field of airfoil, which is regarded as the fundamental of VAWT design. Existing researches seldom systematically and efficiently touch upon a specific airfoil family. Thus, a coupled approach comprising two steps was used in this paper to assess an airfoil family, wherein the first step was the orthogonal algorithm combined with an automatic computational fluid dynamic analysis (ACFDA) module, and the second step was the combination of the one-factor at a time (OFAAT) algorithm and the ACFDA module.

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