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Journals / International Journal of Applied Mathematics Electronics and Computers / 2026 / Volume: 3 Issue: 3

Influence of Solidity on Vertical Axis Wind Turbines

Original Research Paper

M. Teresa Parra-santos
Cristobal Uzarraga
Armando Gallegos
Francisco Castro
Pages
—
Publication Date
2015-06-29
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AI Summary & Key Takeaways

AI Insight
⚡ TL;DR(Too Long; Didn't Read)

Bearing in mind the overall flow is characterized by important secondary flows, the turbulence model selected was realizable k-epsilon with non-equilibrium wall functions.

📌 3 Key Takeaways

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Objective & Hypothesis:This paper aims to predict the performance of a VAWT.
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Key Findings & Data:The H-type Darrieus turbine consists of three straight blades with shape of aerofoil attached to a rotating vertical shaft.
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Conclusion & Impact:Bearing in mind the overall flow is characterized by important secondary flows, the turbulence model selected was realizable k-epsilon with non-equilibrium wall functions.
🔬Design:Modeling & Simulation
📍Scope:Comprehensive Sample
⚙️Variables:VAWT · CFD · solidity

Abstract

This paper aims to predict the performance of a VAWT. The H-type Darrieus turbine consists of three straight blades with shape of aerofoil attached to a rotating vertical shaft. Bearing in mind the overall flow is characterized by important secondary flows, the turbulence model selected was realizable k-epsilon with non-equilibrium wall functions. Conservation equations were solved with a Third-Order MUSCL scheme using SIMPLE to couple continuity and momentum equations. A parametric study has been carried out to analyse the solidity effect on the non-dimensional curves so that the range of tip speed ratio of operation could be predicted as well as their self-starting behaviour.

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Cite This Article

Parra-santos, M. T., Uzarraga, C., Gallegos, A., Castro, F. (2015). Influence of Solidity on Vertical Axis Wind Turbines. International Journal of Applied Mathematics Electronics and Computers, Volume: 3 Issue: 3. https://doi.org/10.18100/ijamec.42848

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References (4)

  1. Baker J. R. 1983 "Features to aid or enable self starting of fixed pitch low solidity vertical axis wind turbines". Journal of Wind Engineering and Industrial Aerodynamics. Vol. 15 pp.369-380.
  2. Shawn A., Fiedler A., Tullis S. 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, Vol. 41, pp. 13-22
  3. Uzarraga N.C., Gallegos A., Parra M.T., Beltran J.M. 2012 "Numerical Analysis of Airfoils used at VAWT", ASME ESFuelCell2012-91113
  4. Liu X., Dang Q., Xi G. 2008. "Performance improvement of a centrifugal fam by using CFD". Engineering Applications of Computational Fluid Mechanics Vol. 2 no. 2 pp. 130-140