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Steady and rotating computational fluid dynamics simulations of a novel vertical axis wind turbine for small-scale power generation

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  • McTavish, S.
  • Feszty, D.
  • Sankar, T.

Abstract

A novel vertical axis wind turbine (VAWT) has been developed that consists of several asymmetric vertically-stacked stages. A computational investigation of the torque characteristics of the VAWT has been conducted using the commercial computational fluid dynamics (CFD) software CFdesign 2010. A validation study consisting of steady and rotating simulations was conducted using a Savonius rotor and good agreement was obtained with experimental data. Steady two-dimensional CFD simulations have demonstrated that the new VAWT has similar average static torque characteristics to existing Savonius rotors. Rotating three-dimensional CFD simulations were conducted at several tip speed ratios with a freestream speed of 6 m/s. The predicted dynamic torque generated by the rotor decays more rapidly with increasing tip speed ratio than the torque output of Savonius rotors due to its asymmetric design and the curvature of the outer rotor wall.

Suggested Citation

  • McTavish, S. & Feszty, D. & Sankar, T., 2012. "Steady and rotating computational fluid dynamics simulations of a novel vertical axis wind turbine for small-scale power generation," Renewable Energy, Elsevier, vol. 41(C), pages 171-179.
    • Handle: RePEc:eee:renene:v:41:y:2012:i:c:p:171-179
    DOI: 10.1016/j.renene.2011.10.018
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    4. Chowdhury, Abdullah Mobin & Akimoto, Hiromichi & Hara, Yutaka, 2016. "Comparative CFD analysis of Vertical Axis Wind Turbine in upright and tilted configuration," Renewable Energy, Elsevier, vol. 85(C), pages 327-337.
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    9. Wekesa, David Wafula & Wang, Cong & Wei, Yingjie & Kamau, Joseph N. & Danao, Louis Angelo M., 2015. "A numerical analysis of unsteady inflow wind for site specific vertical axis wind turbine: A case study for Marsabit and Garissa in Kenya," Renewable Energy, Elsevier, vol. 76(C), pages 648-661.
    10. Wekesa, David Wafula & Wang, Cong & Wei, Yingjie & Danao, Louis Angelo M., 2017. "Analytical and numerical investigation of unsteady wind for enhanced energy capture in a fluctuating free-stream," Energy, Elsevier, vol. 121(C), pages 854-864.
    11. Miller, Aaron & Chang, Byungik & Issa, Roy & Chen, Gerald, 2013. "Review of computer-aided numerical simulation in wind energy," Renewable and Sustainable Energy Reviews, Elsevier, vol. 25(C), pages 122-134.
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    14. Buonomano, Annamaria & Calise, Francesco & d’Accadia, Massimo Dentice & Palombo, Adolfo & Vicidomini, Maria, 2015. "Hybrid solid oxide fuel cells–gas turbine systems for combined heat and power: A review," Applied Energy, Elsevier, vol. 156(C), pages 32-85.
    15. Seyedsaeed Tabatabaeikia & Nik Nazri Bin Nik-Ghazali & Wen Tong Chong & Behzad Shahizare & Ahmad Fazlizan & Alireza Esmaeilzadeh & Nima Izadyar, 2016. "A Comparative Computational Fluid Dynamics Study on an Innovative Exhaust Air Energy Recovery Wind Turbine Generator," Energies, MDPI, vol. 9(5), pages 1-19, May.
    16. Hu, Wenyu & E, Jiaqiang & Tan, Yan & Zhang, Feng & Liao, Gaoliang, 2022. "Modified wind energy collection devices for harvesting convective wind energy from cars and trucks moving in the highway," Energy, Elsevier, vol. 247(C).
    17. Hamdy Mansour & Rola Afify, 2020. "Design and 3D CFD Static Performance Study of a Two-Blade IceWind Turbine," Energies, MDPI, vol. 13(20), pages 1-18, October.
    18. Kamal, Md. Mustafa & Saini, R.P., 2023. "Performance investigations of hybrid hydrokinetic turbine rotor with different system and operating parameters," Energy, Elsevier, vol. 267(C).
    19. Baoshou Zhang & Baowei Song & Zhaoyong Mao & Wenlong Tian & Boyang Li & Bo Li, 2017. "A Novel Parametric Modeling Method and Optimal Design for Savonius Wind Turbines," Energies, MDPI, vol. 10(3), pages 1-20, March.
    20. Jaohindy, Placide & McTavish, Sean & Garde, François & Bastide, Alain, 2013. "An analysis of the transient forces acting on Savonius rotors with different aspect ratios," Renewable Energy, Elsevier, vol. 55(C), pages 286-295.
    21. Jae-Chan Park & In-Ho Kim & Hyung-Jo Jung, 2019. "Feasibility Study of Fluctuating Wind Pressure around High-Rise Buildings as a Potential Energy-Harvesting Source," Energies, MDPI, vol. 12(21), pages 1-31, October.
    22. Kamal, Md. Mustafa & Saini, R.P., 2022. "A numerical investigation on the influence of savonius blade helicity on the performance characteristics of hybrid cross-flow hydrokinetic turbine," Renewable Energy, Elsevier, vol. 190(C), pages 788-804.
    23. 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.

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