DESIGN AND OPTIMIZATION OF COMPOSITE HAWT BLADE

Paper #:
  • 2018-01-1034

Published:
  • 2018-04-03
Abstract:
Wind energy is clean and renewable source of energy that can be attractive alternative to fossil fuel and non-conventional sources of energy. Due to rapid increase in global energy requirements, this form of energy is gaining pace. Unlike nuclear power or tar sand oils, wind energy doesn't leave a long term toxic legacy. Using MATLAB algorithms, multi-optimization of wind turbine design can be achieved. Therefore, an aerodynamic mathematical model is developed to obtain optimal chord length and twist angle distribution along the blade span. Further, a promising generic blade design is used to initialise a detailed structure optimization in which leading edge panel (LEP), Spar cap, Shear web, Trailing edge panel (TEP) reinforcement are sized using composite laminates so that the blade is according to the intend of design standard. Initially blade airfoils are analysed on 2D platform then the results are used to construct 3D model of HAWT blade. The 3D designing of composite HAWT blade by CAD software Solidworks v16.0 through different airfoil for root, primary and tip and optimization of material thickness and overall mass reduction by the use of composite material through optimization of skin thickness of wind turbine is achieved. This paper focuses on the importance of structural design for optimization of HAWT blade. On further analysis, an increase in aerodynamic power generation as well as marked improvements in overall blade deformation and tip deflection characteristics has been observed.
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