Numerical investigation on the effect of blunt body deflector on darieus turbine performanceAhmad Syafiq Rofi’i, Aditia Aulia, Muhammad Ferry Fadri, Muhammad Haidar Syarif, Elvira Rosmawati Rahman and Gunawan Dwi HaryadiE3S Web Conf., 475 (2024) 03002DOI: https://doi.org/10.1051/e3sconf/202447503002