2026. Parametric Rotor Innovation for Gravitational Vortex Turbines: Advancing Clean Energy through Integrated Computational Fluid Dynamics (CFD)Simulation and Experimentation to Support the Sustainable Development Goals (SDGs). Indonesian Journal of Science and Technology. 11, 3 (Dec. 2026), 575–594. DOI:https://doi.org/10.17509/ijost.v11i3.90012.