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Aerodynamic noise analysis of large horizontal axis wind turbines considering fluid–structure interaction

Author

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  • Kim, Hogeon
  • Lee, Seunghoon
  • Son, Eunkuk
  • Lee, Seungmin
  • Lee, Soogab

Abstract

Aerodynamic noise is one of the most serious barriers in wind energy development. To develop technologies for wind turbine noise reduction and assessment, noise needs to be predicted precisely with special consideration given to blade flexibility. The numerical tool, WINFAS, which can simulate fluid–structure interaction, consists of three parts: the first part, the Unsteady Vortex Lattice Method, analyzes aerodynamics; the second part, the Nonlinear Composite Beam Theory, analyzes structure; and the third part uses a semi-empirical formula to analyze airfoil self-noise and the Lowson’s formula to analyze turbulence ingestion noise. In this study, using this numerical tool, the change in the noise strength due to blade flexibility was examined. This research showed that elastic blades decreased broadband noise because pitching motion reduced the angle of attack.

Suggested Citation

  • Kim, Hogeon & Lee, Seunghoon & Son, Eunkuk & Lee, Seungmin & Lee, Soogab, 2012. "Aerodynamic noise analysis of large horizontal axis wind turbines considering fluid–structure interaction," Renewable Energy, Elsevier, vol. 42(C), pages 46-53.
    • Handle: RePEc:eee:renene:v:42:y:2012:i:c:p:46-53
    DOI: 10.1016/j.renene.2011.09.019
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    Citations

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    Cited by:

    1. Miller, Aaron & Chang, Byungik & Issa, Roy & Chen, Gerald, 2013. "Review of computer-aided numerical simulation in wind energy," Renewable and Sustainable Energy Reviews, Elsevier, vol. 25(C), pages 122-134.
    2. Jeon, Minu & Lee, Seungmin & Lee, Soogab, 2014. "Unsteady aerodynamics of offshore floating wind turbines in platform pitching motion using vortex lattice method," Renewable Energy, Elsevier, vol. 65(C), pages 207-212.
    3. Anicic, Obrad & Petković, Dalibor & Cvetkovic, Slavica, 2016. "Evaluation of wind turbine noise by soft computing methodologies: A comparative study," Renewable and Sustainable Energy Reviews, Elsevier, vol. 56(C), pages 1122-1128.
    4. Göçmen, Tuhfe & Özerdem, Barış, 2012. "Airfoil optimization for noise emission problem and aerodynamic performance criterion on small scale wind turbines," Energy, Elsevier, vol. 46(1), pages 62-71.
    5. Park, Sewan & Park, Sunho & Rhee, Shin Hyung, 2016. "Influence of blade deformation and yawed inflow on performance of a horizontal axis tidal stream turbine," Renewable Energy, Elsevier, vol. 92(C), pages 321-332.

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