Validated numerical simulation of airflow in child respiratory airways Miloslav Belka, Milan Maly, Ondrej Cejpek, Jakub Elcner, Frantisek Lizal, Jan Jedelsky and Miroslav Jicha EPJ Web Conf., 264 (2022) 01003 Published online: 11 July 2022 DOI: 10.1051/epjconf/202226401003