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Numerical Simulation of the Fin Height Effect on the Performance of the Darrieus Wind Turbine Using NACA 0018

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Abstract:

Wind energy has developed rapidly with various efforts aimed at improving its performance. The Darrieus wind turbine will study its performance by adding fins to the surface of the Darrieus turbine. The turbine shape in this study utilizes NACA 0018 symmetry by adding one fin on the mid-span side and the fin is varied against the fin height. The method used is a numerical study with a CFD approach that varies the fin height to determine the value of the torque coefficient, power coefficient, and tip speed ratio. This study uses a Darrieus turbine with a diameter of 40 cm and a rotor height of 50 cm, and varies the fin height by 1.5 cm, 2.5 cm, and 3.5 cm. The results show that the turbine performance increases by 45.23% at a fin height of 2.5 cm.

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4th International Conference on Mechanical Engineering Research and Application View Preview

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Periodical:

Engineering Headway (Volume 38)

Pages:

203-209

DOI:

https://doi.org/10.4028/p-pbdL1m

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Online since:

June 2026

Authors:

Endang Pudji Purwanti, Priyo Agus Setiawan*, Projek Priyonggo Sumangun Lukitadi, Emie Santoso, Nopem Ariwiyono, Daysi Dwijati Kumala Ratna Antariksih, Yenni Zanumba Azizah, Hosea Wisdom Ermanto, Sriyanto Sriyanto

Keywords:

Darrieus, Fin, Power Coefficient, Torque Coefficient, Wind Energy

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© 2026 Trans Tech Publications Ltd. All Rights Reserved

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