Experience in multistage steam-driven ejectors Ilia Murmanskii, Konstantin Aronson, Nickolay Zhelonkin, Alexander Ryabchikov, Adriano Milazzo and Yuri Brodov E3S Web Conf., 178 (2020) 01002 Published online: 09 July 2020 DOI: 10.1051/e3sconf/202017801002