Enhancement of aerodynamic performance of H-Darrieus rotor using wraparound fairing system: A 2D CFD study

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The power coefficient for the DAE-11 fairing reaches a maximum of 0.607, indicating superior aerodynamic performance.
Torque coefficient peaks at 0.354 for the DAE-11 fairing at 20°, showing its efficiency at higher angles of attack.
A 2D CFD simulation using RANS equations and SST turbulence model evidences fairing benefits in wind turbine design.
Findings suggest optimal chord length enhances flow stabilization, affecting the turbine's performance metrics.

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Simulation shows aerodynamic performance improves with specific fairings in H-Darrieus turbine, highlighting flow stability.

Boulla et al. (2025) studied this question.

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