The wind lens is a major breakthrough in wind energy
Multiple experimental and numerical studies demonstrate that wind-lens technology (shrouded wind turbines with brimmed diffusers) significantly increases power output compared to conventional bare wind turbines.
The retrieved literature consistently supports the claim that the wind lens (brimmed-diffuser augmented wind turbine) provides a major performance enhancement in wind energy generation, showing power augmentation factors of 2 to 5 across multiple independent numerical and experimental studies. Papers [1, 3, 9, 10, 11] are off-topic materials science or biomedical reviews and are excluded.
Y. Ohya, T. Karasudani. A Shrouded Wind Turbine Generating High Output Power with Wind-lens Technology. 2010. https://doi.org/10.3390/EN3040634
The foundational paper on wind-lens technology demonstrates that a diffuser shroud with a broad-ring brim increases power output by a factor of two to five compared to bare turbines.
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Michal Lipian, I. Dobrev, M. Karczewski, F. Massouh, K. Jóżwik. Small wind turbine augmentation: Experimental investigations of shrouded- and twin-rotor wind turbine systems. 2019. https://doi.org/10.1016/J.ENERGY.2019.115855
Experimental investigations confirm that shrouding small wind turbines promotes increased wind mass flow and significantly enhances performance.
Mona Abdelwaly, H. El-Batsh, Magdy Bassily Hanna. Numerical study for the flow field and power augmentation in a horizontal axis wind turbine. 2019. https://doi.org/10.1016/J.SETA.2018.12.028
Numerical studies validate that using a turbine shroud alters the flow field and results in a considerable increase in generated power.
Michal Lipian, I. Dobrev, F. Massouh, K. Jóżwik. Small wind turbine augmentation: Numerical investigations of shrouded- and twin-rotor wind turbines. 2020. https://doi.org/10.1016/j.energy.2020.117588
URANS simulations demonstrate that shrouded wind turbine configurations improve velocity fields and optimize aerodynamic performance.
S. Zanforlin, S. Letizia. Effects of upstream buildings on the performance of a synergistic roof-and-diffuser augmentation system for cross flow wind turbines. 2019. https://doi.org/10.1016/J.JWEIA.2018.11.029
Research on synergistic augmentation systems shows promising power enhancement and torque-fluctuation damping when utilizing diffusers.
Koichi Watanabe, Y. Ohya. Multirotor Systems Using Three Shrouded Wind Turbines for Power Output Increase. 2019. https://doi.org/10.1115/1.4042971
Studies on multirotor systems incorporating brimmed-diffuser augmented wind turbines reveal significant gains in total power output.
O. Yuji, Watanabe Koichi. A New Approach Toward Power Output Enhancement Using Multirotor Systems With Shrouded Wind Turbines. 2019. https://doi.org/10.1115/1.4042235
Further research into multirotor configurations demonstrates that brimmed-diffuser augmented wind turbines substantially increase overall power generation.
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