Design of an External Centrifugal Fan for the Cooling System of an Electrical MachineVyacheslav Vavilov, Flyur Ismagilov, Iskander Garipov, Egor Pronin, Alexander Argakov, Ildus Sayakhov and Oksana YushkovaE3S Web Conf., 446 (2023) 02001DOI: https://doi.org/10.1051/e3sconf/202344602001