Multiphase numerical analysis of the vortex formation near the suction of the vertically mounted axial-flow pump with influence of the free water levelProkop Moravec, Lukáš Zavadil, Jakub Stareček, Tomáš Krátký and Milan SedlářEPJ Web Conf., 269 (2022) 01041DOI: https://doi.org/10.1051/epjconf/202226901041