Numerical substantiation of the parameters of the air-hydraulic hood by a diaphragm Orifjon Bazarov, Ulugmurad Jonkobilov, Sobir Jonkobilov, Ulugbek Rajabov and Shukhrat Xoshiyev E3S Web Conf., 264 (2021) 03035 Published online: 02 June 2021 DOI: 10.1051/e3sconf/202126403035