CFD simulation and experimental investigation of a Magnus wind turbine with an improved blade shape
Tanasheva N.K. Dyusembaeva A.N. Bakhtybekova A.R. Minkov L.L. Burkov M.A. Shuyushbayeva N.N. Tleubergenova A.Z.
December 2024Elsevier Ltd
Renewable Energy
2024#237
With the advancement of technology and growing concern for environmental issues, the demand for energy derived from renewable sources is expected to increase. It is well established that traditional bladed wind turbines exhibit inefficiency in low wind speed conditions. To address this, Magnus wind turbines, featuring cylindrical blades, have been developed specifically for regions with predominantly low-speed winds. However, these turbines present a significant drawback, as they require electric drives to rotate the blades. This study aims to conduct a three-dimensional numerical and experimental investigation of the aerodynamics around a wind turbine with a geometrically complex blade design. The scientific contribution of this work lies in the introduction of a deflector to the cylindrical blades, intended to eliminate the need for an electric drive to initiate blade rotation. A laboratory prototype of a wind turbine with the proposed blade configuration was constructed, and numerical simulations were performed using Ansys Fluent, based on the Reynolds-averaged Navier—Stokes (RANS) equations. The results demonstrate that the turbines power coefficient (Cp) is approximately 20 % higher than that of traditional Magnus wind turbines. These findings underscore the enhanced efficiency provided by the addition of a deflector to the cylindrical blades.
Ansys fluent , Blades with complex geometric shape , CFD simulation , Magnus wind turbines , Wind turbine
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Department of Engineering Thermophysics, E.A.Buketov Karaganda University, Karaganda, 100024, Kazakhstan
Scientific Research Center “Alternative Energy”, E.A.Buketov Karaganda University, Karaganda, 100024, Kazakhstan
Department of Mathematical Physics, Tomsk State University, Tomsk, 634050, Russian Federation
Department of Mathematics, Physics and Computer Science, Sh. Ualikhanov Kokshetau University, Kokshetau, 020000, Kazakhstan
Department of Engineering Thermophysics
Scientific Research Center “Alternative Energy”
Department of Mathematical Physics
Department of Mathematics
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