• Title/Summary/Keyword: Kim Won-wu

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A Lightweight Design of the Spar cap of Wind Turbine Blades with Carbon Fiber Composite and Ply Reduction Ratio (탄소섬유 복합재 및 두께 축소율을 이용한 풍력 블레이드 스파캡 경량화 설계)

  • Kim, Do-Won;Jeong, Gyu;Lim, Jae Hyuk;Lim, Jun-Woo;Yu, Byeong-Min;Lee, Kil-Sung
    • Journal of Aerospace System Engineering
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    • v.12 no.2
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    • pp.66-75
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    • 2018

  • In this paper, a lightweight design of the spar cap of 2MW wind turbine blade was carried out using the ply reduction ratio (PRR) and CFRP with a trade-off study. The spar cap is one of the most critical factor in determining the mechanical performance of the blade. Tsai-Wu and Puck fracture theory were used to determine the fracture. As a result, the CFRP composite material could be lighter in terms of weight by about 30% than GFRP composite material under the same conditions. Based on the analytical results, we derive the optimal value of the laminate thickness of the composite material and present the structural performance improvement and the lightweight design result.

  • https://doi.org/10.20910/JASE.2018.12.2.66 인용 PDF KSCI