Airfoil Shape Optimization of a Horizontal Axis Wind Turbine Blade using a Discrete Adjoint Solver
Article dans une revue avec comité de lecture
JournalJournal of Applied Fluid Mechanics
In this study, airfoil shape optimization of a wind turbine blade is performed using the ANSYS Fluent Adjoint Solver. The aim of this optimization process is to increase the wind turbine output power, and the objective function is to maximize the airfoil lift to drag ratio (CL/CD). This study is applied to the NREL phase VI wind turbine, therefore, the S809 airfoil is used as a reference profile. First, for the validation of the applied numerical model, steady-state simulations are carried out for the S809 airfoil at various angles of attack. Then, the optimization is performed with the airfoil set at a fixed angle of attack, AOA= 6.1°, considering three Reynolds numbers, RE = 300 000, 480 000, 1 000 000 . Next, computations are performed for the fluid flow around the optimized airfoils at angles of attack ranging from 0° to 20°. The results show that (i) the lift to drag ratios of the optimized airfoils are significantly improved compared to the baseline S809 airfoil, (ii) this improvement is sensitive to the Reynolds number, and (iii) the CL/CD ratios are also improved for another angle of attack values. Thereafter, the optimized airfoils are used for the design of the NREL Phase VI blade and the aerodynamic performances of this new wind turbine are assessed using the open-source code QBlade. These latter results indicate that when the blades are designed with the optimized airfoils, the wind turbine aerodynamic performances increase significantly. Indeed, at a wind speed of 10 m/s, the power output of the wind turbine is improved by about 38% compared to that of the original turbine.
Files in this item
- LMFL_JAFM_2023_BOUDIS_Volume ...
- main article
Showing items related by title, author, creator and subject.
Numerical investigation of the effect of motion trajectory on the vortex shedding process behind a flapping airfoil Communication avec acteBOUDIS, Ali; BAYEUL-LAINE, Annie-Claude; BENZAOUI, Ahmed; OUALLI, Hamid; GUERRI, Ouahiba (ISROMAC 2017, 2017)The effect of non-sinusoidal trajectory on the propulsive performances and the vortex shedding process behind a flapping airfoil is investigated in this study. A movement of a rigid NACA 0012 airfoil undergoing a combined ...
Article dans une revue avec comité de lectureBOUDIS, Ali; BENZAOUI, Ahmed; OUALLI, H; GUERRI, O; BAYEUL-LAINE, Annie-Claude; COUTIER-DELGOSHA, Olivier (Elsevier, 2018)In this study, numerical investigations on the energy extraction performance of a flapping foil device are carried out by using a modified foil shape. The new foil shape is designed by combining the thick leading edge of ...
Numerical Investigation of the Effects of Nonsinusoidal Motion Trajectory on the Propulsion Mechanisms of a Flapping Airfoil Article dans une revue avec comité de lectureBOUDIS, A.; BAYEUL-LAINE, Annie-Claude; BENZAOUI, A.; OUALLI, H.; GUERRI, O.; COUTIER-DELGOSHA, Olivier (American Society of Mechanical Engineers, 2019)The effect of nonsinusoidal trajectory on the propulsive performances and the vortex shedding process behind a flapping airfoil is investigated in this study. A movement of a rigid NACA0012 airfoil undergoing a combined ...
Effects of Non-Sinusoidal Motion and Effective Angle of Attack on Energy Extraction Performance of a Fully- Activated Flapping Foil Article dans une revue avec comité de lectureBOUDIS, A.; OUALLI, H.; BENZAOUI, A.; GUERRI, O; BAYEUL-LAINE, Annie-Claude; COUTIER-DELGOSHA, Olivier (Journal of Applied Fluid Mechanics, 2021)Flapping foil energy harvesting systems are considered as highly competitive devices for conventional turbines. Several research projects have already been carried out to improve performances of such new devices. This paper ...
Numerical investigation of hemolysis phenomena in the FDA nozzle benchmark : mind the extensional stresses Communication avec acteMAGHOULI, Ali; BAYEUL-LAINÉ, Annie-Claude; SIMONET, Sophie; HADDADI, Mohammad; COUTIER-DELGOSHA, Olivier (2022-06)In recent years, the idea of using a pump as a left ventricle assist device is being well developed by several groups. Meanwhile, one of the challenges in this field is the occurrence of biological phenomena such as ...