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Innovatory designs for ducted wind turbines

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  • Hu, Ssu-Yuan
  • Cheng, Jung-Ho

Abstract

Designs for conventional ducted wind turbines usually include a large inlet for more absorption of the airflow. However, the most efficient solution should be increasing the speed of wind. In this paper, a bucket-shape ducted wind turbine is proposed and studies show that a sucking effect can be produced according to the Bernoulli's principle, and this significantly increases the wind speed inside the duct and substantially enhances the efficiency of the wind turbine. Moreover, the geometry of the duct is optimized by the combination of an improved complex algorithm, an object-oriented optimizing program interface, and simulations by CFD software. According to the analyses, the optimal shape for the interior of the duct appears to be an unconventional nozzle, which extends the range of wind speed by 60%.

Suggested Citation

  • Hu, Ssu-Yuan & Cheng, Jung-Ho, 2008. "Innovatory designs for ducted wind turbines," Renewable Energy, Elsevier, vol. 33(7), pages 1491-1498.
    • Handle: RePEc:eee:renene:v:33:y:2008:i:7:p:1491-1498
    DOI: 10.1016/j.renene.2007.08.009
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    References listed on IDEAS

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    1. Bet, F & Grassmann, H, 2003. "Upgrading conventional wind turbines," Renewable Energy, Elsevier, vol. 28(1), pages 71-78.
    2. Franković, Bernard & Vrsalović, Ivan, 2001. "New high profitable wind turbines," Renewable Energy, Elsevier, vol. 24(3), pages 491-499.
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    5. Manganhar, Abdul Latif & Rajpar, Altaf Hussain & Luhur, Muhammad Ramzan & Samo, Saleem Raza & Manganhar, Mehtab, 2019. "Performance analysis of a savonius vertical axis wind turbine integrated with wind accelerating and guiding rotor house," Renewable Energy, Elsevier, vol. 136(C), pages 512-520.
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    9. Wong, Kok Hoe & Chong, Wen Tong & Sukiman, Nazatul Liana & Poh, Sin Chew & Shiah, Yui-Chuin & Wang, Chin-Tsan, 2017. "Performance enhancements on vertical axis wind turbines using flow augmentation systems: A review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 73(C), pages 904-921.
    10. Chong, Wen-Tong & Muzammil, Wan Khairul & Ong, Hwai-Chyuan & Sopian, Kamaruzzaman & Gwani, Mohammed & Fazlizan, Ahmad & Poh, Sin-Chew, 2019. "Performance analysis of the deflector integrated cross axis wind turbine," Renewable Energy, Elsevier, vol. 138(C), pages 675-690.
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