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Computer-aided design of horizontal axis turbine blades

Author

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  • Pérez-Arribas, F.
  • Trejo-Vargas, I.

Abstract

This paper presents a computer-based method for modelling the blades of horizontal axis turbines using B-spline surfaces. The method uses common design parameters for the geometry of this type of turbine and produces a final set of B-spline surfaces for the geometry of the blades that can be used for the visualisation, calculations and construction of the rotor surface. The method begins with the creation of a 3D set of offsets that constitute the rotor blades based on a 2D definition of the airfoils, which is normally used in the design of different stations along the rotor blade. It also uses geometrical parameters such as the skew and rake or coning distribution. The method stresses the fitting of the blade’s leading edge, which has a significant impact on the properties of the rotor and separately models the trailing edge of the blades. B-spline curves and surfaces are used in this method because they are widely used in CAD-CAM software products and can be easily exported to other programs.

Suggested Citation

  • Pérez-Arribas, F. & Trejo-Vargas, I., 2012. "Computer-aided design of horizontal axis turbine blades," Renewable Energy, Elsevier, vol. 44(C), pages 252-260.
    • Handle: RePEc:eee:renene:v:44:y:2012:i:c:p:252-260
    DOI: 10.1016/j.renene.2012.01.100
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    Citations

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    Cited by:

    1. Marinić-Kragić, Ivo & Vučina, Damir & Milas, Zoran, 2019. "Concept of flexible vertical-axis wind turbine with numerical simulation and shape optimization," Energy, Elsevier, vol. 167(C), pages 841-852.
    2. Zhaohuang Zhang & Di Gao & Jia Li & Xiaona Jia, 2021. "A New Method of Sectional Expression of Wind Turbine Airfoil Function," Energies, MDPI, vol. 14(21), pages 1-16, November.
    3. Marinić-Kragić, Ivo & Vučina, Damir & Milas, Zoran, 2018. "Numerical workflow for 3D shape optimization and synthesis of vertical-axis wind turbines for specified operating regimes," Renewable Energy, Elsevier, vol. 115(C), pages 113-127.

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