Effect of flow velocity on downstream energy absorbers and velocity coefficient Sanatjon Khidirov, Fotima Artikbekova, Azam Azimov, Farokhiddin Uljaev, Jumaniyoz Donoboyev and F. Nosirov E3S Web of Conf., 401 (2023) 01047 Published online: 11 July 2023 DOI: 10.1051/e3sconf/202340101047