September 12, 2025FluidsOpen Access

Enhancement of Aerodynamic Performance of Two Adjacent H-Darrieus Turbines Using a Dual-Rotor Configuration

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Integration of dual rotors enhances efficiency of H-Darrieus turbines by 17%, improving energy generation.
Maximum power coefficients reached 0.49, 0.42, and 0.40 at various angles of attack, optimizing performance.
2D CFD simulation utilized URANS equations and k−ω SST turbulence model to analyze rotor interactions.
Optimal distance between turbines reduces stagnation effects, highlighting the significance of dual-rotor configurations.

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CFD simulation shows a 17% increase in efficiency of dual-rotor H-Darrieus turbines, suggesting optimization strategies.

Boulla et al. (2025) studied this question.

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