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Experimental investigation of the influence of solidity on the performance and flow field aerodynamics of vertical axis wind turbines at low Reynolds numbers

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  • Eboibi, Okeoghene
  • Danao, Louis Angelo M.
  • Howell, Robert J.

Abstract

This paper shows the results of an experimental investigation into the effect of changes in solidity on the performance of a Vertical Axis Wind Turbine. Two VAWT configurations are used, one of solidity σ = 0.26 (chord C = 0.03 m) and the other with σ = 0.34 (C = 0.04 m). The turbine performance coefficient (Cp) was measured over a range of tip speed ratios and Particle Image Velocimetry (PIV) was used to determine the flow field around both turbine configurations.

Suggested Citation

  • Eboibi, Okeoghene & Danao, Louis Angelo M. & Howell, Robert J., 2016. "Experimental investigation of the influence of solidity on the performance and flow field aerodynamics of vertical axis wind turbines at low Reynolds numbers," Renewable Energy, Elsevier, vol. 92(C), pages 474-483.
    • Handle: RePEc:eee:renene:v:92:y:2016:i:c:p:474-483
    DOI: 10.1016/j.renene.2016.02.028
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    References listed on IDEAS

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    1. Howell, Robert & Qin, Ning & Edwards, Jonathan & Durrani, Naveed, 2010. "Wind tunnel and numerical study of a small vertical axis wind turbine," Renewable Energy, Elsevier, vol. 35(2), pages 412-422.
    2. Danao, Louis Angelo & Eboibi, Okeoghene & Howell, Robert, 2013. "An experimental investigation into the influence of unsteady wind on the performance of a vertical axis wind turbine," Applied Energy, Elsevier, vol. 107(C), pages 403-411.
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    Citations

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    Cited by:

    1. Pedram Ghiasi & Gholamhassan Najafi & Barat Ghobadian & Ali Jafari & Mohamed Mazlan, 2022. "Analytical Study of the Impact of Solidity, Chord Length, Number of Blades, Aspect Ratio and Airfoil Type on H-Rotor Darrieus Wind Turbine Performance at Low Reynolds Number," Sustainability, MDPI, vol. 14(5), pages 1-14, February.
    2. Tong, Guoqiang & Li, Yan & Tagawa, Kotaro & Feng, Fang, 2023. "Effects of blade airfoil chord length and rotor diameter on aerodynamic performance of straight-bladed vertical axis wind turbines by numerical simulation," Energy, Elsevier, vol. 265(C).
    3. Li, Qing'an & Maeda, Takao & Kamada, Yasunari & Shimizu, Kento & Ogasawara, Tatsuhiko & Nakai, Alisa & Kasuya, Takuji, 2017. "Effect of rotor aspect ratio and solidity on a straight-bladed vertical axis wind turbine in three-dimensional analysis by the panel method," Energy, Elsevier, vol. 121(C), pages 1-9.
    4. Wang, Ying & Shen, Sheng & Li, Gaohui & Huang, Diangui & Zheng, Zhongquan, 2018. "Investigation on aerodynamic performance of vertical axis wind turbine with different series airfoil shapes," Renewable Energy, Elsevier, vol. 126(C), pages 801-818.
    5. Zamani, Mahdi & Nazari, Saeed & Moshizi, Sajad A. & Maghrebi, Mohammad Javad, 2016. "Three dimensional simulation of J-shaped Darrieus vertical axis wind turbine," Energy, Elsevier, vol. 116(P1), pages 1243-1255.
    6. Antar, E. & Elkhoury, M., 2019. "Parametric sizing optimization process of a casing for a Savonius Vertical Axis Wind Turbine," Renewable Energy, Elsevier, vol. 136(C), pages 127-138.
    7. Meana-Fernández, Andrés & Solís-Gallego, Irene & Fernández Oro, Jesús Manuel & Argüelles Díaz, Katia María & Velarde-Suárez, Sandra, 2018. "Parametrical evaluation of the aerodynamic performance of vertical axis wind turbines for the proposal of optimized designs," Energy, Elsevier, vol. 147(C), pages 504-517.
    8. Unnikrishnan Divakaran & Ajith Ramesh & Akram Mohammad & Ratna Kishore Velamati, 2021. "Effect of Helix Angle on the Performance of Helical Vertical Axis Wind Turbine," Energies, MDPI, vol. 14(2), pages 1-24, January.
    9. Sengupta, A.R. & Biswas, A. & Gupta, R., 2019. "Comparison of low wind speed aerodynamics of unsymmetrical blade H-Darrieus rotors-blade camber and curvature signatures for performance improvement," Renewable Energy, Elsevier, vol. 139(C), pages 1412-1427.
    10. Ian D. Brownstein & Nathaniel J. Wei & John O. Dabiri, 2019. "Aerodynamically Interacting Vertical-Axis Wind Turbines: Performance Enhancement and Three-Dimensional Flow," Energies, MDPI, vol. 12(14), pages 1-23, July.
    11. Yosry, Ahmed Gharib & Álvarez, Eduardo Álvarez & Valdés, Rodolfo Espina & Pandal, Adrián & Marigorta, Eduardo Blanco, 2023. "Experimental and multiphase modeling of small vertical-axis hydrokinetic turbine with free-surface variations," Renewable Energy, Elsevier, vol. 203(C), pages 788-801.
    12. Ni, Lulu & Miao, Weipao & Li, Chun & Liu, Qingsong, 2021. "Impacts of Gurney flap and solidity on the aerodynamic performance of vertical axis wind turbines in array configurations," Energy, Elsevier, vol. 215(PA).
    13. Wang, Wei-Cheng & Wang, Jheng-Jie & Chong, Wen Tong, 2019. "The effects of unsteady wind on the performances of a newly developed cross-axis wind turbine: A wind tunnel study," Renewable Energy, Elsevier, vol. 131(C), pages 644-659.
    14. Rezaeiha, Abdolrahim & Montazeri, Hamid & Blocken, Bert, 2018. "Towards optimal aerodynamic design of vertical axis wind turbines: Impact of solidity and number of blades," Energy, Elsevier, vol. 165(PB), pages 1129-1148.
    15. Shukla, Vivek & Kaviti, Ajay Kumar, 2017. "Performance evaluation of profile modifications on straight-bladed vertical axis wind turbine by energy and Spalart Allmaras models," Energy, Elsevier, vol. 126(C), pages 766-795.

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    Keywords

    Solidity; Performance; PIV; VAWT; HAWT;
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