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Shape optimization and experimental validation of a drag vertical axis wind turbine

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  • Ramadan, A.
  • Yousef, K.
  • Said, M.
  • Mohamed, M.H.

Abstract

In recent years, the energy crisis severally appears due to the enormous human development. The renewable energy is a new source for world energy demand nowadays, especially the wind energy. Generally, wind energy is the most promising source for electric power demand in world because of the availability of the high wind speed around the year in several locations. This work investigates the drag type wind turbines, which have strong potential in small electric power generation demands. The scenario of this work is divided into two sections; the first one is the numerical analysis for the conventional Savonius with fully optimizing for the shape of the blade using a genetic algorithm. This optimization is performed to maximize the power coefficient with the same dimension of the conventional Savonius turbine. The second part is conducted experimentally to measure the performance of the conventional Savonius with the two and three blades; in addition, the optimal blade design (S shape) is tested to compare the performance of this new design with the conventional one or standard semi-circular blade. The results indicated that the captured efficiency of the optimal shape blade has the optimum value with 28% in contrasts to 14 and 10% for the two and three blades respectively.

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  • Ramadan, A. & Yousef, K. & Said, M. & Mohamed, M.H., 2018. "Shape optimization and experimental validation of a drag vertical axis wind turbine," Energy, Elsevier, vol. 151(C), pages 839-853.
    • Handle: RePEc:eee:energy:v:151:y:2018:i:c:p:839-853
    DOI: 10.1016/j.energy.2018.03.117
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    Cited by:

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    7. Krzysztof Kołodziejczyk & Radosław Ptak, 2022. "Numerical Investigations of the Vertical Axis Wind Turbine with Guide Vane," Energies, MDPI, vol. 15(22), pages 1-14, November.
    8. Nematollahi, Omid & Alamdari, Pouria & Jahangiri, Mehdi & Sedaghat, Ahmad & Alemrajabi, Ali Akbar, 2019. "A techno-economical assessment of solar/wind resources and hydrogen production: A case study with GIS maps," Energy, Elsevier, vol. 175(C), pages 914-930.
    9. Mohamed, M.H. & Dessoky, A. & Alqurashi, Faris, 2019. "Blade shape effect on the behavior of the H-rotor Darrieus wind turbine: Performance investigation and force analysis," Energy, Elsevier, vol. 179(C), pages 1217-1234.
    10. C M, Shashikumar & Madav, Vasudeva, 2021. "Numerical and experimental investigation of modified V-shaped turbine blades for hydrokinetic energy generation," Renewable Energy, Elsevier, vol. 177(C), pages 1170-1197.
    11. Nawar, Mohamed A.A. & Hameed, H.S. Abdel & Ramadan, A. & Attai, Youssef A. & Mohamed, M.H., 2021. "Experimental and numerical investigations of the blade design effect on Archimedes Spiral Wind Turbine performance," Energy, Elsevier, vol. 223(C).
    12. Ghazalla, R.A. & Mohamed, M.H. & Hafiz, A.A., 2019. "Synergistic analysis of a Darrieus wind turbine using computational fluid dynamics," Energy, Elsevier, vol. 189(C).
    13. Kumail Abdulkareem Hadi Al-Gburi & Balasem Abdulameer Jabbar Al-quraishi & Firas Basim Ismail Alnaimi & Ee Sann Tan & Ali Hussein Shamman Al-Safi, 2022. "Experimental and Simulation Investigation of Performance of Scaled Model for a Rotor of a Savonius Wind Turbine," Energies, MDPI, vol. 15(23), pages 1-23, November.
    14. Abdelaziz, Khaled R. & Nawar, Mohamed A.A. & Ramadan, Ahmed & Attai, Youssef A. & Mohamed, Mohamed H., 2023. "Performance assessment of a modified of Savonius rotor: Impact of sine and conical blade profiles," Energy, Elsevier, vol. 272(C).
    15. Abdelaziz, Khaled R. & Nawar, Mohamed A.A. & Ramadan, Ahmed & Attai, Youssef A. & Mohamed, Mohamed H., 2022. "Performance improvement of a Savonius turbine by using auxiliary blades," Energy, Elsevier, vol. 244(PA).
    16. Mohammadi, M. & Mohammadi, R. & Ramadan, A. & Mohamed, M.H., 2018. "Numerical investigation of performance refinement of a drag wind rotor using flow augmentation and momentum exchange optimization," Energy, Elsevier, vol. 158(C), pages 592-606.
    17. Zhang, Yongchao & Kang, Can & Ji, Yanguang & Li, Qing, 2019. "Experimental and numerical investigation of flow patterns and performance of a modified Savonius hydrokinetic rotor," Renewable Energy, Elsevier, vol. 141(C), pages 1067-1079.
    18. Fanel Dorel Scheaua, 2020. "Comparative Numerical Analysis on Vertical Wind Turbine Rotor Pattern of Bach and Benesh Type," Energies, MDPI, vol. 13(9), pages 1-20, May.

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