Design and multiperspectivity-based performance investigations of H-Darrieus vertical axis wind turbine through computational fluid dynamics adopted with moving reference frame approaches

Numerical simulation and comparative study of aerodynamic performance of Kline Fogleman modified backward stepped airfoils and the NACA 4415 airfoil

Rohini Janaki Balamurugan, Hussein A Z AL-bonsrulah, Vijayanandh Raja, Lokeshkumar Kumar, Sri Diviyalakshmi Kannan, Senthil Kumar Madasamy, Raffik Rasheed, Parvathy Rajendran and Mohammed Al-Bahrani

International Journal of Low-Carbon Technologies, 2022, vol. 17, 784-806

Abstract: The power output of a straight-bladed H-rotor Darrieus vertical axis wind turbine (HDVAWT) is explored in this article. The comparisons are performed between the NACA0018 airfoil and a series of Kline Fogelman modified NACA0018 airfoils. The computational fluid dynamics findings are first cross-checked with the experimental data, and the computational processes are validated as a consequence. Then, in CATIA, 12 airfoils were constructed by modifying the step thickness, step placement and trailing edge form to get an efficient model for the wind turbine. The approved computational processes are applied to all 13 models, and the results are obtained. In comparison to the NACA 0018 airfoil, the KFm3 airfoil with 12% step thickness and a rectangular trailing edge demonstrated a 47% efficiency under 6.65 m/s wind velocity and a rotational velocity of 120 RPM. The KFm3 airfoil also performed better when tested at 80 and 162 RPMs. Thus, the final HDVAWT has been presented for real-time applications, which is the primary goal of this work; also, the proposed HDVAWT outperforms all existing vertical axis wind turbines.

Keywords: VAWT; optimization; mechanical power; design profile; CFD (search for similar items in EconPapers)
Date: 2022
References: View complete reference list from CitEc
Citations: View citations in EconPapers (3)

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Persistent link: https://EconPapers.repec.org/RePEc:oup:ijlctc:v:17:y:2022:i::p:784-806.

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