TY JOUR TI GENERATOR OF VIBRATION AND PULSATION OF THE FLOW OF A COMPRESSIBLE MEDIUM KW annular zone sizes KW continuous flow KW gap KW nozzle KW pressure zones KW rarefaction zones KW seal surge KW standing waves KW the wave coefficient JO Modern Technologies and Scientific and Technological Progress AU Cherepanov, A.P. PY 2026 IS 2026 PB Federal State Funded Educational Establishment of Higher Education «Angarsk State Technical University»