TY JOUR TI EJECTOR SHAFT SEAL OF THE ROTARY MACHINE KW control KW gap KW reverse rotation KW rotor KW seal KW shaft KW vacuum KW ejector JO Scientific Papers Collection of the Angarsk State Technical University AU Cherepanov, A.P. PY 2024 IS 2024 PB Federal State Funded Educational Establishment of Higher Education «Angarsk State Technical University»