Abstract
A new type of wind turbine has been created called the bladeless turbine, which uses a completely new type to capture wind energy, as it works with a minimum of moving parts to generate electric current using the vibration produced by the wind. In this chapter, numerical modeling of airflow around a two-dimensional cylinder was made and compared with the reference values to ensure the correctness of the program used, and then the three-dimensional cylinder was studied and the numerical study expanded to include several cases. Where the study was conducted on five different shapes of the mast by changing the angles of inclination of the cylinder under boundary conditions T = 288.16 K, P = l atm, V = 0.0003 m/s and studying the effect of model dimensions on the results of the modeling process by comparing the pressure diagrams around the studied shapes in order to ensure that the results are within the least relative error. The results also showed that with increasing the angle of inclination of the cylinder, a lower pressure drop was obtained. Numerical modeling of the airflow around the bladeless wind turbine was also made according to two cases: the first case when the same boundary conditions V = 0.0003 m/s, T = 288.16 K, P = l atm, the second case at reference boundary conditions V = 3 m/s, T = 300 K, P = l atm, Using a regular mesh and hexahedron, the density of the used mesh has been modeled, and then reviewing the effect of the used perturbative model on the results, choosing the perturbative model best suited to the studied case, and comparing it with the reference case.
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Alnounou, M.A., Samantaray, S. (2023). A Numerical Study to Choose the Best Model for a Bladeless Wind Turbine. In: Pradhan, P., Pattanayak, B., Das, H.C., Mahanta, P. (eds) Recent Advances in Mechanical Engineering. Lecture Notes in Mechanical Engineering. Springer, Singapore. https://doi.org/10.1007/978-981-16-9057-0_38
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DOI: https://doi.org/10.1007/978-981-16-9057-0_38
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