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<p>Wind energy is a potential source of power that could be used in urban cities to reduce the dependency on fossil fuels. Small-scale wind turbines might be installed on roofs within city infrastructure to produce wind energy in urban areas. These technologies reduce urban carbon production, increase sustainability, and supplement power demands. This study examined the need to develop wind energy systems to enhance the sustainable growth of metropolitan areas. The wind turbine designs that could function effectively in cities and the impact of building designs on power output are examined. A horizontal-axis wind turbine design which is inspired by seashells is 3D printed using fused filament fabrication with an Archimedean conical-spiral design. Results showed improved turbine efficiency with the addition of shrouds and increased power output at higher tip speed ratios (TSR). The turbine’s aerodynamic performance is simulated using computational fluid dynamics (CFD) in Ansys software and the results showed a high coefficient of power (<i>C</i><sub><i>P</i></sub>) of 0.256 for unshrouded turbines. The use of the shroud increased the <i>C</i><sub><i>P</i></sub> value by 10.16% implying enhanced efficiency in the turbine’s operation. The experimental results showed an enhancement in the <i>C</i><sub><i>P</i></sub> value by 28.11%. The maximum <i>C</i><sub><i>P</i></sub> of 0.36 was achieved for shrouded wind turbine at a TSR of 3.27. The average torque coefficient was enhanced by 40.24% with the addition of a shroud. The study demonstrated the potential applications of wind energy in urban areas and the need to design turbines with optimal efficiency to optimize power generation.</p>

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Experimental and CFD performance analysis of 3D printed seashell type wind turbine

  • 期刊论文

  • 发表日期：

    2025年1月17日

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  • C. P. Adithyaraj,
  • Ribin Varghese Pazhamannil,
  • Mohammad Alkhedher,
  • P. Mahesh Kumar

摘要

Wind energy is a potential source of power that could be used in urban cities to reduce the dependency on fossil fuels. Small-scale wind turbines might be installed on roofs within city infrastructure to produce wind energy in urban areas. These technologies reduce urban carbon production, increase sustainability, and supplement power demands. This study examined the need to develop wind energy systems to enhance the sustainable growth of metropolitan areas. The wind turbine designs that could function effectively in cities and the impact of building designs on power output are examined. A horizontal-axis wind turbine design which is inspired by seashells is 3D printed using fused filament fabrication with an Archimedean conical-spiral design. Results showed improved turbine efficiency with the addition of shrouds and increased power output at higher tip speed ratios (TSR). The turbine’s aerodynamic performance is simulated using computational fluid dynamics (CFD) in Ansys software and the results showed a high coefficient of power (CP) of 0.256 for unshrouded turbines. The use of the shroud increased the CP value by 10.16% implying enhanced efficiency in the turbine’s operation. The experimental results showed an enhancement in the CP value by 28.11%. The maximum CP of 0.36 was achieved for shrouded wind turbine at a TSR of 3.27. The average torque coefficient was enhanced by 40.24% with the addition of a shroud. The study demonstrated the potential applications of wind energy in urban areas and the need to design turbines with optimal efficiency to optimize power generation.