Acta Mechanica Slovaca 2024, 28(4):6-12 | DOI: 10.21496/ams.2024.026

Experimental and Numerical Investigation on Blade Sweep to Improve Performance of an OWC Turbine

S. M. K. Benslimane1, K. Boualem2, T. Yahiaoui3, *, Antonio Mañino Ferrando4, María Clavero Gilabert5, Nemdili Ali6
1 Laboratory of Maritime Science and Engineering (LSIM), Faculty of Mechanical Engineering University of Sciences and technology of Oran, Mohamed Boudiaf, Algeria
2 University of Relizane, Department of Mechanics, Algeria
3 Laboratory of Aeronautics and Propulsive Systems, Mechanical Engineering Faculty, USTO Oran, BP 1505 El Mnouar, Algeria
4 University of Granada, Department of Structural Mechanics and Hydraulic Engineering, Spain, Granada
5 University of Granada, Granada, department of Civil Engineering, Spain, Granada
6 Laboratory of Rheology, Transport and Treatment of Complex Fluids, Hydraulic Department, USTO Oran, BP 1505 El Mnouar, Algeria

The energy of sea waves is one of the renewable energies. The wells turbine uses the airflow produced by the pressure change inside the oscillating water column. A visible radial drift from the main flow occurs downstream of the rotor is noticed in the turbines wells with a constant chord length of the blade. Indeed, a blade chord linearly increasing with a radius is proposed in order to minimize this phenomenon and to increase the local coefficient of lift of the blade. In this context an investigated experimental and computational method are carried out to analyze the performances of two types of Wells turbines, one with a constant chord blade (rectangular-shaped blade) and the other with the blade's agreement increasing linearly (Swept blade). The results obtained show an improvement in the performance of the Wells turbine with a swept blade.

Keywords: energy conversion, Wells turbine blade., performance, NACA0018, blade with a rectangular plan form, swept.

Received: April 11, 2024; Revised: October 20, 2024; Accepted: November 14, 2024; Published: December 1, 2024  Show citation

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Benslimane, S.M.K., Boualem, K., Yahiaoui, T., Mañino Ferrando, A., Gilabert, M.C., & Ali, N. (2024). Experimental and Numerical Investigation on Blade Sweep to Improve Performance of an OWC Turbine. Acta Mechanica Slovaca, 28(4), 6-12. doi: 10.21496/ams.2024.026
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