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Flow separation on a high Reynolds number, high solidity vertical axis wind turbine with straight and canted blades and canted blades with fences

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  • Armstrong, Shawn
  • Fiedler, Andrzej
  • Tullis, Stephen

Abstract

The aerodynamics of a high solidity vertical axis wind turbine was investigated through wind tunnel tests of a full size turbine operating at Reynolds numbers of Re ≥ 500,000 (where the power production has been shown to be Re independent). Flow visualization using light-weight tufts attached to the inner surface of a blade was used to gain insight on the operating aerodynamics, which is related to the measured power performance. The tufts proved to be an effective and simple technique to observe the flow characteristics on the large scales involved where other flow measurement techniques like particle image velocimetry or laser Doppler velocimetry would be challenging and expensive.

Suggested Citation

  • Armstrong, Shawn & Fiedler, Andrzej & Tullis, Stephen, 2012. "Flow separation on a high Reynolds number, high solidity vertical axis wind turbine with straight and canted blades and canted blades with fences," Renewable Energy, Elsevier, vol. 41(C), pages 13-22.
    • Handle: RePEc:eee:renene:v:41:y:2012:i:c:p:13-22
    DOI: 10.1016/j.renene.2011.09.002
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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.
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    1. Gorle, J.M.R. & Chatellier, L. & Pons, F. & Ba, M., 2019. "Modulated circulation control around the blades of a vertical axis hydrokinetic turbine for flow control and improved performance," Renewable and Sustainable Energy Reviews, Elsevier, vol. 105(C), pages 363-377.
    2. 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.
    3. Sajid Ali & Choon-Man Jang, 2021. "Effects of Tip Speed Ratios on the Blade Forces of a Small H-Darrieus Wind Turbine," Energies, MDPI, vol. 14(13), pages 1-18, July.
    4. Sun, Xuejing & Zhu, Jianyang & Li, Zongjin & Sun, Guoxing, 2021. "Rotation improvement of vertical axis wind turbine by offsetting pitching angles and changing blade numbers," Energy, Elsevier, vol. 215(PB).
    5. 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.
    6. Li, Qing'an & Xu, Jianzhong & Maeda, Takao & Kamada, Yasunari & Nishimura, Shogo & Wu, Guangxing & Cai, Chang, 2019. "Laser Doppler Velocimetry (LDV) measurements of airfoil surface flow on a Horizontal Axis Wind Turbine in boundary layer," Energy, Elsevier, vol. 183(C), pages 341-357.
    7. Samuel Mitchell & Iheanyichukwu Ogbonna & Konstantin Volkov, 2021. "Improvement of Self-Starting Capabilities of Vertical Axis Wind Turbines with New Design of Turbine Blades," Sustainability, MDPI, vol. 13(7), pages 1-24, March.
    8. N. Aravindhan & M. P. Natarajan & S. Ponnuvel & P.K. Devan, 2023. "Recent developments and issues of small-scale wind turbines in urban residential buildings- A review," Energy & Environment, , vol. 34(4), pages 1142-1169, June.
    9. Zanforlin, Stefania & Deluca, Stefano, 2018. "Effects of the Reynolds number and the tip losses on the optimal aspect ratio of straight-bladed Vertical Axis Wind Turbines," Energy, Elsevier, vol. 148(C), pages 179-195.
    10. Li, Qing'an & Maeda, Takao & Kamada, Yasunari & Murata, Junsuke & Furukawa, Kazuma & Yamamoto, Masayuki, 2015. "Effect of number of blades on aerodynamic forces on a straight-bladed Vertical Axis Wind Turbine," Energy, Elsevier, vol. 90(P1), pages 784-795.
    11. Lombardi, Lidia & Mendecka, Barbara & Carnevale, Ennio & Stanek, Wojciech, 2018. "Environmental impacts of electricity production of micro wind turbines with vertical axis," Renewable Energy, Elsevier, vol. 128(PB), pages 553-564.
    12. Rezaeiha, Abdolrahim & Kalkman, Ivo & Blocken, Bert, 2017. "Effect of pitch angle on power performance and aerodynamics of a vertical axis wind turbine," Applied Energy, Elsevier, vol. 197(C), pages 132-150.
    13. 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.
    14. Kress, C. & Chokani, N. & Abhari, R.S., 2015. "Downwind wind turbine yaw stability and performance," Renewable Energy, Elsevier, vol. 83(C), pages 1157-1165.
    15. Tummala, Abhishiktha & Velamati, Ratna Kishore & Sinha, Dipankur Kumar & Indraja, V. & Krishna, V. Hari, 2016. "A review on small scale wind turbines," Renewable and Sustainable Energy Reviews, Elsevier, vol. 56(C), pages 1351-1371.
    16. Reza Norouztabar & Seyed Soheil Mousavi Ajarostaghi & Seyed Sina Mousavi & Payam Nejat & Seyed Saeid Rahimian Koloor & Mohamed Eldessouki, 2022. "On the Performance of a Modified Triple Stack Blade Savonius Wind Turbine as a Function of Geometrical Parameters," Sustainability, MDPI, vol. 14(16), pages 1-26, August.
    17. Barnes, Andrew & Marshall-Cross, Daniel & Hughes, Ben Richard, 2021. "Towards a standard approach for future Vertical Axis Wind Turbine aerodynamics research and development," Renewable and Sustainable Energy Reviews, Elsevier, vol. 148(C).
    18. Chong, Wen-Tong & Muzammil, Wan Khairul & Wong, Kok-Hoe & Wang, Chin-Tsan & Gwani, Mohammed & Chu, Yung-Jeh & Poh, Sin-Chew, 2017. "Cross axis wind turbine: Pushing the limit of wind turbine technology with complementary design," Applied Energy, Elsevier, vol. 207(C), pages 78-95.
    19. Battisti, L. & Persico, G. & Dossena, V. & Paradiso, B. & Raciti Castelli, M. & Brighenti, A. & Benini, E., 2018. "Experimental benchmark data for H-shaped and troposkien VAWT architectures," Renewable Energy, Elsevier, vol. 125(C), pages 425-444.
    20. 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.
    21. Li, Qing’an & Maeda, Takao & Kamada, Yasunari & Murata, Junsuke & Shimizu, Kento & Ogasawara, Tatsuhiko & Nakai, Alisa & Kasuya, Takuji, 2016. "Effect of solidity on aerodynamic forces around straight-bladed vertical axis wind turbine by wind tunnel experiments (depending on number of blades)," Renewable Energy, Elsevier, vol. 96(PA), pages 928-939.
    22. Jin, Xin & Zhao, Gaoyuan & Gao, KeJun & Ju, Wenbin, 2015. "Darrieus vertical axis wind turbine: Basic research methods," Renewable and Sustainable Energy Reviews, Elsevier, vol. 42(C), pages 212-225.

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