A Two-Stage Twisted Blade μ-Vertical Axis Wind Turbine: An Enhanced Savonius Rotor Design

Andrés Pérez-Terrazo, Martin Moreno (), Iván Trejo-Zúñiga () and José Alberto López
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Andrés Pérez-Terrazo: Laboratory of Energy Innovation and Intelligent and Sustainable Agriculture, Universidad Tecnológica de San Juan del Río, San Juan del Río 76800, Querétaro, Mexico
Martin Moreno: Laboratory of Energy Innovation and Intelligent and Sustainable Agriculture, Universidad Tecnológica de San Juan del Río, San Juan del Río 76800, Querétaro, Mexico
Iván Trejo-Zúñiga: Laboratory of Energy Innovation and Intelligent and Sustainable Agriculture, Universidad Tecnológica de San Juan del Río, San Juan del Río 76800, Querétaro, Mexico
José Alberto López: Laboratory of Energy Innovation and Intelligent and Sustainable Agriculture, Universidad Tecnológica de San Juan del Río, San Juan del Río 76800, Querétaro, Mexico

Energies, 2024, vol. 17, issue 12, 1-14

Abstract: Wind turbines are a solution for sustainable energy, significantly reducing carbon emissions and fostering a circular economy for more cost-effective and cleaner power generation, in line with worldwide environmental aspirations. In this context, this research aims to explore a novel two-stage, twisted-blade micro-Vertical-Axis Wind Turbine ( μ -VAWT)alternative inspired by the Savonius Rotor (SR). This investigation utilizes the κ − ω SST turbulence model to explore the power coefficient ( C P ) and torque coefficient ( C T ), finding C P values ranging from 0.02 to 0.08 across the turbine by altering the free stream velocity ( V ). C T analysis further delves into four specific sections, highlighting areas of particular interest. These results are validated by examining velocity contours, pressure contours, and streamlines in four horizontal sections, demonstrating that the proposed turbine model exhibits minimal torque fluctuation. Moreover, the analysis of vertical wind streamlines illustrates very low interference with various wind turbine proposals, underscoring the turbine’s efficiency and potential for integration into diverse wind energy projects.

Keywords: VAWT; energy harvesting; two-stage design; renewable energy; wind technology (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2024
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