TY JOUR TI SETTING THE TASK OF CREATING EFFECTIVEGAS EJECTORS KW continuous flow KW rarefaction zones KW pressure zones KW gap KW annular zone sizes KW nozzle KW seal surge KW standing waves KW ejector JO Scientific Papers Collection of the Angarsk State Technical University AU Cherepanov, A.P. PY 2026 IS 2026 PB Federal State Funded Educational Establishment of Higher Education «Angarsk State Technical University»