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Performance Prediction and Validation of a Small-Capacity Twisted Savonius Wind Turbine

Author

Listed:
  • Hyeonmu Jang

    (Department of Advanced Mechanical Engineering, Kangwon National University, Chuncheon-si 24341, Korea)

  • Insu Paek

    (Department of Advanced Mechanical Engineering, Kangwon National University, Chuncheon-si 24341, Korea)

  • Seungjoo Kim

    (Korea Testing Certification, 22, Heungan-dearo 27, Gunpo-si 15809, Korea)

  • Deockjin Jeong

    (JH Energy, 112, Toegyenonggong-ro, Chuncheon-si 24427, Korea)

Abstract

In this study, an off-grid–type small wind turbine for street lighting was designed and analyzed. Its performance was predicted using a computational fluid dynamics model. The proposed wind turbine has two blades with a radius of 0.29 m and a height of 1.30 m. Ansys Fluent, a commercial computational fluid dynamics solver, was used to predict the performance, and the k-omega SST model was used as the turbulence model. The simulation result revealed a tip-speed ratio of 0.54 with a maximum power coefficient, or an aerodynamic rotor efficiency of 0.17. A wind turbine was installed at a measurement site to validate the simulation, and a performance test was used to measure the power production. To compare the simulation results obtained from the CFD simulation with the measured electrical power performance, the efficiencies of the generator and the controller were measured using a motor-generator testbed. Also, the control strategy of the controller was found from the field test and applied to the simulation results. Comparing the results of the numerical simulation with the experiment, the maximum power-production error at the same wind speed was found to be 4.32%.

Suggested Citation

  • Hyeonmu Jang & Insu Paek & Seungjoo Kim & Deockjin Jeong, 2019. "Performance Prediction and Validation of a Small-Capacity Twisted Savonius Wind Turbine," Energies, MDPI, vol. 12(9), pages 1-12, May.
    • Handle: RePEc:gam:jeners:v:12:y:2019:i:9:p:1721-:d:228882
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    References listed on IDEAS

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    1. Kamoji, M.A. & Kedare, S.B. & Prabhu, S.V., 2009. "Experimental investigations on single stage modified Savonius rotor," Applied Energy, Elsevier, vol. 86(7-8), pages 1064-1073, July.
    2. Lee, Jae-Hoon & Lee, Young-Tae & Lim, Hee-Chang, 2016. "Effect of twist angle on the performance of Savonius wind turbine," Renewable Energy, Elsevier, vol. 89(C), pages 231-244.
    3. Wenlong Tian & Baowei Song & James H. VanZwieten & Parakram Pyakurel, 2015. "Computational Fluid Dynamics Prediction of a Modified Savonius Wind Turbine with Novel Blade Shapes," Energies, MDPI, vol. 8(8), pages 1-15, July.
    4. Shigetomi, Akinari & Murai, Yuichi & Tasaka, Yuji & Takeda, Yasushi, 2011. "Interactive flow field around two Savonius turbines," Renewable Energy, Elsevier, vol. 36(2), pages 536-545.
    5. Manganhar, Abdul Latif & Rajpar, Altaf Hussain & Luhur, Muhammad Ramzan & Samo, Saleem Raza & Manganhar, Mehtab, 2019. "Performance analysis of a savonius vertical axis wind turbine integrated with wind accelerating and guiding rotor house," Renewable Energy, Elsevier, vol. 136(C), pages 512-520.
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    Cited by:

    1. Scheaua Fanel Dorel & Goanta Adrian Mihai & Dragan Nicusor, 2021. "Review of Specific Performance Parameters of Vertical Wind Turbine Rotors Based on the SAVONIUS Type," Energies, MDPI, vol. 14(7), pages 1-23, April.
    2. Hyeonmu Jang & Dongmyeong Kim & Yechan Hwang & Insu Paek & Seungjoo Kim & Joonho Baek, 2019. "Analysis of Archimedes Spiral Wind Turbine Performance by Simulation and Field Test," Energies, MDPI, vol. 12(24), pages 1-11, December.
    3. Zahra Sefidgar & Amir Ahmadi Joneidi & Ahmad Arabkoohsar, 2023. "A Comprehensive Review on Development and Applications of Cross-Flow Wind Turbines," Sustainability, MDPI, vol. 15(5), pages 1-39, March.
    4. Donggeun Jeong & Taesu Jeon & Insu Paek & Deokjin Lim, 2023. "Development and Validation of Control Algorithm for Variable Speed Fixed Pitch Small Wind Turbine," Energies, MDPI, vol. 16(4), pages 1-18, February.
    5. Victor Mendoza & Eirini Katsidoniotaki & Hans Bernhoff, 2020. "Numerical Study of a Novel Concept for Manufacturing Savonius Turbines with Twisted Blades," Energies, MDPI, vol. 13(8), pages 1-16, April.

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