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Effects of leading edge slat on flow separation and aerodynamic performance of wind turbine

Author

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  • Wang, Haipeng
  • Jiang, Xiao
  • Chao, Yun
  • Li, Qian
  • Li, Mingzhou
  • Zheng, Wenniu
  • Chen, Tao

Abstract

The flow separation could affect the aerodynamic performance of the wind turbine blades and induce to occur the stall of the wind turbine blades at high angle of attack. The leading edge slat could effectively control and delay the flow separation. In this paper, the effects of the leading edge slat on the aerodynamic performance of the S809 airfoil and the Phase VI blade were investigated and the effects of the geometric parameters were considered. The aerodynamic performance of the S809 airfoil and the Phase VI blade was obtained using the RANS approach, and involved the standard transition model SST, k-omega turbulence model. It was shown that the leading edge slat had a great influence on the aerodynamic performance of the S809 airfoil and the Phase VI blade. For Case-1, when the angle of attack was 16.22°, the point of flow separation was shifted from x/c = 0.47 to 0.67, the lift coefficient increased by 52.99%. The torques of the total (included the wind turbine blade and leading edge slat) were increased except the torque of Blade-C1at 10 m/s.

Suggested Citation

  • Wang, Haipeng & Jiang, Xiao & Chao, Yun & Li, Qian & Li, Mingzhou & Zheng, Wenniu & Chen, Tao, 2019. "Effects of leading edge slat on flow separation and aerodynamic performance of wind turbine," Energy, Elsevier, vol. 182(C), pages 988-998.
    • Handle: RePEc:eee:energy:v:182:y:2019:i:c:p:988-998
    DOI: 10.1016/j.energy.2019.06.096
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    Citations

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    Cited by:

    1. Hai Du & Lejie Yang & Shuo Chen & Wenxiao Zhang & Shengchun Han, 2022. "Effect of Multistage Circulation Control on Blade Aerodynamic Performance," Energies, MDPI, vol. 15(19), pages 1-21, October.
    2. Bhavsar, Het & Roy, Sukanta & Niyas, Hakeem, 2023. "Aerodynamic performance enhancement of the DU99W405 airfoil for horizontal axis wind turbines using slotted airfoil configuration," Energy, Elsevier, vol. 263(PA).
    3. Kun, Wang & Fu, Chen & Jianyang, Yu & Yanping, Song, 2020. "Nested sparse-grid Stochastic Collocation Method for uncertainty quantification of blade stagger angle," Energy, Elsevier, vol. 201(C).
    4. Azlan, F. & Tan, M.K. & Tan, B.T. & Ismadi, M.-Z., 2023. "Passive flow-field control using dimples for performance enhancement of horizontal axis wind turbine," Energy, Elsevier, vol. 271(C).
    5. Amiri, Mojtaba Maali & Shadman, Milad & Estefen, Segen F., 2020. "URANS simulations of a horizontal axis wind turbine under stall condition using Reynolds stress turbulence models," Energy, Elsevier, vol. 213(C).
    6. Wang, Longjun & Alam, Md. Mahbub & Rehman, Shafiqur & Zhou, Yu, 2022. "Effects of blowing and suction jets on the aerodynamic performance of wind turbine airfoil," Renewable Energy, Elsevier, vol. 196(C), pages 52-64.
    7. Qian, Yaoru & Zhang, Yuquan & Sun, Yukun & Wang, Tongguang, 2023. "Numerical investigations of the flow control effect on a thick wind turbine airfoil using deformable trailing edge flaps," Energy, Elsevier, vol. 265(C).
    8. Zaki, Abanoub & Abdelrahman, M.A. & Ayad, Samir S. & Abdellatif, O.E., 2022. "Effects of leading edge slat on the aerodynamic performance of low Reynolds number horizontal axis wind turbine," Energy, Elsevier, vol. 239(PD).
    9. Liu, Qingsong & Miao, Weipao & Ye, Qi & Li, Chun, 2022. "Performance assessment of an innovative Gurney flap for straight-bladed vertical axis wind turbine," Renewable Energy, Elsevier, vol. 185(C), pages 1124-1138.
    10. Fan, Menghao & Sun, Zhaocheng & Dong, Xiangwei & Li, Zengliang, 2022. "Numerical and experimental investigation of bionic airfoils with leading-edge tubercles at a low-Re in considering stall delay," Renewable Energy, Elsevier, vol. 200(C), pages 154-168.
    11. Liu, Qingsong & Miao, Weipao & Li, Chun & Hao, Winxing & Zhu, Haitian & Deng, Yunhe, 2019. "Effects of trailing-edge movable flap on aerodynamic performance and noise characteristics of VAWT," Energy, Elsevier, vol. 189(C).
    12. Mohammadi, Morteza & Maghrebi, Mohammad Javad, 2021. "Improvement of wind turbine aerodynamic performance by vanquishing stall with active multi air jet blowing," Energy, Elsevier, vol. 224(C).
    13. Baocheng Zhou & Shaochun Ma & Weiqing Li & Wenzhi Li & Cong Peng, 2023. "Study on the Influence Mechanism of Energy Consumption of Sugarcane Harvester Extractor by Fluid Simulation and Experiment," Agriculture, MDPI, vol. 13(9), pages 1-20, August.
    14. Zhong, Junwei & Li, Jingyin, 2020. "Aerodynamic performance prediction of NREL phase VI blade adopting biplane airfoil," Energy, Elsevier, vol. 206(C).

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