Flutter performance of large-scale wind turbine blade with shallow-angled skins
- Authors
- Hayat, Khazar; Ha, Sung Kyu
- Issue Date
- Nov-2015
- Publisher
- ELSEVIER SCI LTD
- Keywords
- Shallow-angled skins; Large-scale blade; Classical flutter; Aero-elasticity
- Citation
- Composite Structures, v.132, pp.575 - 583
- Indexed
- SCIE
SCOPUS
- Journal Title
- Composite Structures
- Volume
- 132
- Start Page
- 575
- End Page
- 583
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/24826
- DOI
- 10.1016/j.compstruct.2015.05.073
- ISSN
- 0263-8223
- Abstract
- The application of shallow-angled skins with off-axis fiber angle less than 45°, increases the bending stiffness and strength of the large-Scale wind turbine blade but reduces its torsional stiffnesses, making it susceptible to the classical flutter instability problem. Single-blade quasi-steady eigenvalue analyses using HAWCStab2 were performed to evaluate the flutter performance of a 5 MW pitch-regulated wind turbine blade with shallow-angled skins configurations. The results showed that the application of shallow-angled skin design concept to the 5 MW blade model does not pose the flutter instability problem. © 2015 Elsevier Ltd. All rights reserved.
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