Increasing the energy conversion efficiency for shrouded hydrokinetic turbines using experimental analysis on a scale modelRareş-Andrei Chihaia, Lucia-Andreea El-Leathey, Gabriela Cîrciumaru and Nicolae TănaseE3S Web Conf., 85 (2019) 06004DOI: https://doi.org/10.1051/e3sconf/20198506004