Effect of Infector’s location and occupants’ activity level on airborne spread in a gym – an experimental and CFD studyMuhammad Farhan Ejaz, Simo Kilpeläinen, Alo Mikola, Martin Kiil, Jarek Kurnitski and Risto KosonenE3S Web Conf., 672 (2025) 07005DOI: https://doi.org/10.1051/e3sconf/202567207005