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Numerical and experimental study of aerodynamic noise by a small wind turbine

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  • Lee, Seunghoon
  • Lee, Soogab

Abstract

To examine the aerodynamic noise produced by small wind turbines, this study predicts and measures the aerodynamic noise from a 10 kW wind turbine. The numerical predictions include the turbulence ingestion noise, turbulent-boundary-layer trailing edge noise, and trailing edge bluntness noise. The noise measurement is carried out with free-field microphones at a reference position according to the IEC 61400-11 standard. Although the trailing edge bluntness noise is under-predicted at low wind speeds, the spectral trends of the prediction results generally agree well with those of the experimental data. It is also found that for small wind turbines, the trailing edge bluntness noise can be an important noise source.

Suggested Citation

  • Lee, Seunghoon & Lee, Soogab, 2014. "Numerical and experimental study of aerodynamic noise by a small wind turbine," Renewable Energy, Elsevier, vol. 65(C), pages 108-112.
    • Handle: RePEc:eee:renene:v:65:y:2014:i:c:p:108-112
    DOI: 10.1016/j.renene.2013.07.036
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    Citations

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    Cited by:

    1. Zhang, Sanxia & Luo, Kun & Yuan, Renyu & Wang, Qiang & Wang, Jianwen & Zhang, Liru & Fan, Jianren, 2018. "Influences of operating parameters on the aerodynamics and aeroacoustics of a horizontal-axis wind turbine," Energy, Elsevier, vol. 160(C), pages 597-611.
    2. José R. Dorrego & Armando Ríos & Quetzalcoatl Hernandez-Escobedo & Rafael Campos-Amezcua & Reynaldo Iracheta & Orlando Lastres & Pascual López & Antonio Verde & Liliana Hechavarria & Miguel-Angel Pere, 2021. "Theoretical and Experimental Analysis of Aerodynamic Noise in Small Wind Turbines," Energies, MDPI, vol. 14(3), pages 1-21, January.
    3. Xinkai Li & Ke Yang & Hao Hu & Xiaodong Wang & Shun Kang, 2019. "Effect of Tailing-Edge Thickness on Aerodynamic Noise for Wind Turbine Airfoil," Energies, MDPI, vol. 12(2), pages 1-25, January.
    4. 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.
    5. Francesco Castellani & Davide Astolfi & Matteo Becchetti & Francesco Berno & Filippo Cianetti & Alessandro Cetrini, 2018. "Experimental and Numerical Vibrational Analysis of a Horizontal-Axis Micro-Wind Turbine," Energies, MDPI, vol. 11(2), pages 1-16, February.
    6. Daniel Micallef & Gerard Van Bussel, 2018. "A Review of Urban Wind Energy Research: Aerodynamics and Other Challenges," Energies, MDPI, vol. 11(9), pages 1-27, August.
    7. Liu, W.Y., 2017. "A review on wind turbine noise mechanism and de-noising techniques," Renewable Energy, Elsevier, vol. 108(C), pages 311-320.
    8. Dean Sesalim & Jamal Naser, 2024. "Effects of an Owl Airfoil on the Aeroacoustics of a Small Wind Turbine," Energies, MDPI, vol. 17(10), pages 1-16, May.
    9. Grieser, Benno & Sunak, Yasin & Madlener, Reinhard, 2015. "Economics of small wind turbines in urban settings: An empirical investigation for Germany," Renewable Energy, Elsevier, vol. 78(C), pages 334-350.

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