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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. Grassmann, H. & Bet, F. & Cabras, G. & Ceschia, M. & Cobai, D. & DelPapa, C., 2003. "A partially static turbine—first experimental results," Renewable Energy, Elsevier, vol. 28(11), pages 1779-1785.
    2. Bet, F & Grassmann, H, 2003. "Upgrading conventional wind turbines," Renewable Energy, Elsevier, vol. 28(1), pages 71-78.
    3. Franković, Bernard & Vrsalović, Ivan, 2001. "New high profitable wind turbines," Renewable Energy, Elsevier, vol. 24(3), pages 491-499.
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    Cited by:

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    5. Mauro, S. & Brusca, S. & Lanzafame, R. & Messina, M., 2019. "CFD modeling of a ducted Savonius wind turbine for the evaluation of the blockage effects on rotor performance," Renewable Energy, Elsevier, vol. 141(C), pages 28-39.
    6. Hosseini, S. Rasoul & Ganji, Davoud Domiri, 2020. "A novel design of nozzle-diffuser to enhance performance of INVELOX wind turbine," Energy, Elsevier, vol. 198(C).
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    9. 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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