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Reduction of the generated aero-acoustics noise of a vertical axis wind turbine using CFD (Computational Fluid Dynamics) techniques

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  • Mohamed, M.H.

Abstract

Noise pollution from wind turbines is an important public health issue, and strict regulations regarding noise levels for nearby residents to a wind farm is a necessity. The fact that more turbines equals higher noise levels constitutes a problem, an expansion of turbines is needed but the nearby residents should not be affected. Noise levels can be measured, but, similar to other environmental attentions, the public's perception of the noise impact of wind turbines is in part a subjective determination. Vertical axis wind turbines are suitable to be established within the densely populated city area. Therefore, the noise item is very important parameter to investigate. In this work, it is introduced an innovative design of the lift VAWTs (vertical axis wind turbines) to reduce the noise emissions. Every blade in the turbine is constructed by two airfoils. The aerodynamics field of the new design have been investigated numerically to obtain the generated noise from new blades. Unsteady Reynolds-averaged Navier–Stokes (URANS) equations are used to obtain the time-accurate solutions. The spacing between the airfoils in every blade at different tip speed ratio has been studied in this work. The results indicated that the 60% spacing is the best configuration of the double-airfoil from the noise reduction point of view. This new design reduces the generated noise by 56.55%

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  • Mohamed, M.H., 2016. "Reduction of the generated aero-acoustics noise of a vertical axis wind turbine using CFD (Computational Fluid Dynamics) techniques," Energy, Elsevier, vol. 96(C), pages 531-544.
    • Handle: RePEc:eee:energy:v:96:y:2016:i:c:p:531-544
    DOI: 10.1016/j.energy.2015.12.100
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    References listed on IDEAS

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    Citations

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    Cited by:

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    2. Su, Jie & Lei, Hang & Zhou, Dai & Han, Zhaolong & Bao, Yan & Zhu, Hongbo & Zhou, Lei, 2019. "Aerodynamic noise assessment for a vertical axis wind turbine using Improved Delayed Detached Eddy Simulation," Renewable Energy, Elsevier, vol. 141(C), pages 559-569.
    3. Liu, W.Y., 2017. "A review on wind turbine noise mechanism and de-noising techniques," Renewable Energy, Elsevier, vol. 108(C), pages 311-320.
    4. Mohammad Souri & Farshad Moradi Kashkooli & Madjid Soltani & Kaamran Raahemifar, 2021. "Effect of Upstream Side Flow of Wind Turbine on Aerodynamic Noise: Simulation Using Open-Loop Vibration in the Rod in Rod-Airfoil Configuration," Energies, MDPI, vol. 14(4), pages 1-24, February.
    5. Mohamed, M.H., 2019. "Criticism study of J-Shaped darrieus wind turbine: Performance evaluation and noise generation assessment," Energy, Elsevier, vol. 177(C), pages 367-385.
    6. Hashem, I. & Mohamed, M.H., 2018. "Aerodynamic performance enhancements of H-rotor Darrieus wind turbine," Energy, Elsevier, vol. 142(C), pages 531-545.
    7. Mohammadi, M. & Lakestani, M. & Mohamed, M.H., 2018. "Intelligent parameter optimization of Savonius rotor using Artificial Neural Network and Genetic Algorithm," Energy, Elsevier, vol. 143(C), pages 56-68.
    8. Wu, Zhenlong, 2019. "Rotor power performance and flow physics in lateral sinusoidal gusts," Energy, Elsevier, vol. 176(C), pages 917-928.
    9. Dessoky, Amgad & Lutz, Thorsten & Bangga, Galih & Krämer, Ewald, 2019. "Computational studies on Darrieus VAWT noise mechanisms employing a high order DDES model," Renewable Energy, Elsevier, vol. 143(C), pages 404-425.
    10. Arteaga-López, Ernesto & Ángeles-Camacho, Cesar & Bañuelos-Ruedas, Francisco, 2019. "Advanced methodology for feasibility studies on building-mounted wind turbines installation in urban environment: Applying CFD analysis," Energy, Elsevier, vol. 167(C), pages 181-188.
    11. Hashem, I. & Mohamed, M.H. & Hafiz, A.A., 2017. "Aero-acoustics noise assessment for Wind-Lens turbine," Energy, Elsevier, vol. 118(C), pages 345-368.
    12. Muhammad Saif Ullah Khalid & David Wood & Arman Hemmati, 2022. "Self-Starting Characteristics and Flow-Induced Rotation of Single- and Dual-Stage Vertical-Axis Wind Turbines," Energies, MDPI, vol. 15(24), pages 1-19, December.
    13. Manuel Viqueira-Moreira & Esteban Ferrer, 2020. "Insights into the Aeroacoustic Noise Generation for Vertical Axis Turbines in Close Proximity," Energies, MDPI, vol. 13(16), pages 1-18, August.

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