Effect of Geometry on the Aerodynamic Performance of Darrieus H Yype Vertical Axis Wind Turbine

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</div> <div class="card publication-listing mt-3 mb-3"> <h5 class="card-header" style="font-size:.9rem">Effect of Geometry on the Aerodynamic Performance of Darrieus H Yype Vertical Axis Wind Turbine</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Belkheir%20Noura">Belkheir Noura</a>, <a href="https://publications.waset.org/abstracts/search?q=Rabah%20Kerfah"> Rabah Kerfah</a>, <a href="https://publications.waset.org/abstracts/search?q=Boumehani%20Abdellah"> Boumehani Abdellah</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The influence of solidity variations on the aerodynamic performance of H type vertical axis wind turbine is studied in this paper. The wind turbine model used in this paper is the three-blade wind turbine with the symmetrical airfoil, NACA0021. The length of the chord is 0.265m. Numerical investigations were implemented for the different solidity by changing the radius and blade number. A two-dimensional model of the wind turbine is employed. The approach a Reynolds-Averaged Navier鈥揝tokes equations, completed by the K- 蠋 SST turbulence model, is used. Motion mesh model capability of a computational fluid dynamics (CFD) solver is used. For each value of the solidity, the aerodynamics performances and the characteristics of the flow field are studied at several values of the tip speed ratio, 位 = 0.5 to 位 = 3, with an incoming wind speed of 8 m/s. The results show that increasing the number of blades will reduce the maximum value of the power coefficient of the wind turbine. Also, for the VAWT with a lower solidity can obtain the maximum Cp at a high tip speed ratio. The effects of changing the radius and blade number on aerodynamic performance are almost the same. Finally, for the validation, experimental data from the literature and computational results were compared. In conclusion, to study the influence of the solidity in the performances of the wind turbine is to provide the reference for the design of H type vertical axis wind turbines. <iframe src="https://publications.waset.org/abstracts/164160.pdf" style="width:100%; height:400px;" frameborder="0"></iframe> <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=wind%20energy" title="wind energy">wind energy</a>, <a href="https://publications.waset.org/abstracts/search?q=darrieus%20h%20type%20vertical%20axis%20wind%20turbine" title=" darrieus h type vertical axis wind turbine"> darrieus h type vertical axis wind turbine</a>, <a href="https://publications.waset.org/abstracts/search?q=computational%20fluid%20dynamic" title=" computational fluid dynamic"> computational fluid dynamic</a>, <a href="https://publications.waset.org/abstracts/search?q=solidity" title=" solidity"> solidity</a> </p> <a href="https://publications.waset.org/abstracts/164160/effect-of-geometry-on-the-aerodynamic-performance-of-darrieus-h-yype-vertical-axis-wind-turbine" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/164160.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">93</span> </span> </div> </div> </div> </main> <footer> <div id="infolinks" class="pt-3 pb-2"> <div class="container"> <div style="background-color:#f5f5f5;" class="p-3"> <div class="row"> <div class="col-md-2"> <ul class="list-unstyled"> About <li><a href="https://waset.org/page/support">About Us</a></li> <li><a href="https://waset.org/page/support#legal-information">Legal</a></li> <li><a target="_blank" rel="nofollow" href="https://publications.waset.org/static/files/WASET-16th-foundational-anniversary.pdf">WASET celebrates its 16th foundational anniversary</a></li> </ul> 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Effect of Geometry on the Aerodynamic Performance of Darrieus H Yype Vertical Axis Wind Turbine