Performance improvement of a Savonius turbine by using auxiliary blades
Khaled R. Abdelaziz,Mohamed A.A. Nawar,Ahmed M. Ramadan,Youssef A. Attai,Mohamed H. Mohamed,Mohamed H. Mohamed +5 more
TLDR
In this article, the performance of the Savonius turbine, fitted with auxiliary blades, is compared with a newly developed turbine where the gap ratio is studied, and the numerical simulation is carried out by solving unsteady Reynolds Averaged Navier-Stokes equations (URANS) using ANSYS fluent package.About:
This article is published in Energy.The article was published on 2021-11-09 and is currently open access. It has received 15 citations till now. The article focuses on the topics: Turbine & Turbine.read more
Citations
More filters
Journal ArticleDOI
Blade shape optimization of Savonius wind turbine using radial based function model and marine predator algorithm
TL;DR: In this article , an efficient, intelligent, and reliable method for optimizing the shape of the blades of the Savonius wind turbine is proposed, and the results show that when the tip speed ratio is 1, the average torque coefficient of the optimized blade obtained by the above method is about 7% higher than that of the classical semicircular blade.
Journal ArticleDOI
High Efficiency Energy Harvesting Using a Savonius Turbine with Multicurve and Auxiliary Blade
TL;DR: In this paper , a new blade configuration is proposed to further increase the performance of a Savonius rotor through a sequence of unsteady Computational Fluid Dynamics (CFD) simulations.
Journal ArticleDOI
Towards development and optimization of the Savonius wind turbine incorporated with a wind-lens
Ali Hesami,Amir H. Nikseresht +1 more
TL;DR: In this article , the authors employed high-fidelity numerical modeling to investigate several important parameters of a flanged diffuser called "wind-lens" installed on a Savonius wind turbine.
Journal ArticleDOI
Numerical and Experimental Investigation of the Effect of Design Parameters on Savonius-Type Hydrokinetic Turbine Performance
TL;DR: In this article , a drag-based Savonius turbine with the characteristics of a simpler fabrication process and good starting characteristics is designed, fabricated, and analyzed to meet the increased demand of hydroelectric power generation, and experiments are carried out to investigate the influence of the design parameters of this turbine on its power performance.
Journal ArticleDOI
Examination of the Effect of Triangular Plate on the Performances of Reverse Rotating Dual Savonius Wind Turbines
Burcin Deda Altan,Afşin Güngör +1 more
TL;DR: In this article , the performance of the Savonius wind turbine in designs with dual turbines rotating opposite to each other was examined, where a triangular plate was placed in front of the turbines.
References
More filters
Journal ArticleDOI
Two-equation eddy-viscosity turbulence models for engineering applications
TL;DR: In this paper, two new two-equation eddy-viscosity turbulence models are presented, which combine different elements of existing models that are considered superior to their alternatives.
Journal ArticleDOI
Wind tunnel performance data for two- and three-bucket Savonius rotors
TL;DR: In this article, a Savonius rotor wind turbine was tested in the Vought Corporation Systems Division 4.9- x 6.1m Low Speed Wind Tunnel to determine aerodynamic performance.
Journal ArticleDOI
A review on the performance of Savonius wind turbines
TL;DR: In this paper, the authors present a review on the performance of Savonius wind turbines and present relevant information about their performance, bringing a discussion about the performance and benefits of using this type of turbines.
Journal ArticleDOI
Optimal blade shape of a modified Savonius turbine using an obstacle shielding the returning blade
TL;DR: In this article, the geometry of the blade shape (skeleton line) was optimized in the presence of the obstacle plate to increase the output power of a Savonius turbine.
Journal ArticleDOI
Effect of pitch angle on power performance and aerodynamics of a vertical axis wind turbine
TL;DR: In this article, the authors investigated the variations in loads and moments on the turbine as well as the experienced angle of attack, shed vorticity and boundary layer events (leading edge and trailing edge separation, laminar-to-turbulent transition) as a function of pitch angle.