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An aerodynamic analysis of a novel small wind turbine based on impulse turbine principles

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  • Ying, Pei
  • Chen, Yong Kang
  • Xu, Yi Geng

Abstract

The paper presents both a numerical and an experimental approach to study the air flow characteristics of a novel small wind turbine and to predict its performance. The turbine model was generated based on impulse turbine principles in order to be employed in an omni-flow wind energy system in urban areas. The results have shown that the maximum flow velocity behind the stator can be increased by 20% because of a nozzle cascade from the stator geometry. It was also observed that a wind turbine with a 0.3 m rotor diameter achieved the maximum power coefficient of 0.17 at the tip speed ratio of 0.6 under the wind velocity of 8.2 m/s. It was also found that the power coefficient was linked to the hub-to-tip ratio and reached its maximum value when the hub-to-tip ratio was 0.45. It is evident that this new wind turbine has the potential for low working noise and good starting feature compared with a conventional horizontal axis wind turbine.

Suggested Citation

  • Ying, Pei & Chen, Yong Kang & Xu, Yi Geng, 2015. "An aerodynamic analysis of a novel small wind turbine based on impulse turbine principles," Renewable Energy, Elsevier, vol. 75(C), pages 37-43.
    • Handle: RePEc:eee:renene:v:75:y:2015:i:c:p:37-43
    DOI: 10.1016/j.renene.2014.09.035
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    References listed on IDEAS

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    Cited by:

    1. Liu, W.Y., 2017. "A review on wind turbine noise mechanism and de-noising techniques," Renewable Energy, Elsevier, vol. 108(C), pages 311-320.
    2. Jose Alberto Moleón Baca & Antonio Jesús Expósito González & Candido Gutiérrez Montes, 2020. "Analysis of the Patent of a Protective Cover for Vertical-Axis Wind Turbines (VAWTs): Simulations of Wind Flow," Sustainability, MDPI, vol. 12(18), pages 1-17, September.

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