@ARTICLE{Larbi_Mohammed_Influence_2024, author={Larbi, Mohammed and Boualem, Khadidja and Kerrouz, Siham and Benali Kouchih, Fatima and Yahiaoui, Tayeb and Azzi, Abbes}, volume={vol. 45}, number={No 4 (in progress)}, pages={197-203}, journal={Archives of Thermodynamics}, howpublished={online}, year={2024}, publisher={The Committee of Thermodynamics and Combustion of the Polish Academy of Sciences and The Institute of Fluid-Flow Machinery Polish Academy of Sciences}, abstract={Enhancements in gas turbine blade cooling techniques, such as film cooling, have significantly advanced the aerothermal effi-ciency of turbines, especially in transportation sectors like aeronautics and automotive industries. This study aims to enhance turbine blade cooling by incorporating an obstruction at the jet exit. The vortex generator angle has been modified to 25°, 45°, 60°, 90° and 110°. These five designs were assessed in comparison to the conventional cylindrical hole configurations. Two injection ratios (M = 0.25, and M = 0.5) were studied within the ANSYS CFX 16 software, utilizing the finite volume method to solve the average Reynolds equations and the energy equation. The findings show qualitative alignment with experimental data for the base scenario, indicating that the vortex generator angle notably amplifies film cooling effectiveness. Typically, the vortex generator configured at 90° exhibits a stronger mixing capability compared to the other cases and cylindrical design.}, title={Influence of vortex generator dimensions on film cooling efficiency}, type={Article}, URL={http://journals.pan.pl/Content/133418/18_AoT-4_2024_Boualem_680.pdf}, doi={10.24425/ather.2024.152009}, keywords={Film cooling efficiency, Vortex generator angle, Vortex structures, Area weighted film cooling}, }