A Study on Wind Collection Effect of Vertical Axis Windmills

Tadashi Hosoe () and Kazuto Yukita
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Tadashi Hosoe: Department of Eco-Electric Power Research Center, Aichi Institute of Technology, Toyota-City 470-0356, Japan
Kazuto Yukita: Department of Eco-Electric Power Research Center, Aichi Institute of Technology, Toyota-City 470-0356, Japan

Energies, 2024, vol. 17, issue 23, 1-11

Abstract: In recent years, global warming caused by greenhouse gasses such as carbon dioxide has become a concern. This has resulted in increased focus on environmentally friendly power systems. Consequently, renewable energy power generation methods, such as wind and solar power generation, have attracted attention. Wind power generation is expected to significantly increase in the future. However, in many inland areas in Japan, the average wind speed remains 6 m/s or less. In this study, we proposed the introduction of winglets and wind collectors (used in aircraft wings) into straight-wing vertical-axis wind turbines to improve their power generation efficiency. Field tests were conducted to confirm the effectiveness of the proposed method. Using winglets and wind collectors, the wind turbine rotation speed was increased at low wind speeds, which facilitated the generation of power. Moreover, it was confirmed that a wind turbine equipped with the proposed winglets and wind collectors could capture wind without its dispersal as it passed through the turbine.

Keywords: vertical axis windmills; winglet; wind collector; renewable energy power generation (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2024
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