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A Study on Aerodynamic and Structural Design of High Efficiency Composite Blade of 1 MW Class HAWTS Considering Fatigue Life

[+] Author Affiliations
Changduk Kong, Minwoong Kim, Gilsu Park

Chosun University, Kwangju, Republic of Korea

Paper No. GT2013-94125, pp. V008T44A004; 9 pages
doi:10.1115/GT2013-94125
From:
  • ASME Turbo Expo 2013: Turbine Technical Conference and Exposition
  • Volume 8: Supercritical CO2 Power Cycles; Wind Energy; Honors and Awards
  • San Antonio, Texas, USA, June 3–7, 2013
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 978-0-7918-5529-4
  • Copyright © 2013 by ASME

abstract

In this work, 1 MW class horizontal axis wind turbine blade configuration is properly sized and analyzed using the newly proposed aerodynamic design procedure and the in-house code developed by authors, and its design results are verified through comparison with experimental results of the previously developed wind turbine blade. The wind turbine structural design is carried out using the Glass/Epoxy composite materials and the simplified deign methods by the netting rule and the rule of mixture. The structural safety of the designed blade structure is investigated through the various load case studies, and stress, deformation, buckling and vibration analyses using a commercial FEM code, MSC.NASTRAN. Finally the required 20 years fatigue life is confirmed using the modified Spera’s empirical formulae.

Copyright © 2013 by ASME

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