TY JOUR TI HYDRODYNAMICS OF OPERATION OF A FALLING PLATE WITH A MOBILE SPHERICAL NOZZLE KW poppet columns KW structure of two-phase layers KW movable ball nozzle. JO Bulletin of the Angarsk State Technical University AU Ul'yanov, B.A. AU Fereferov, M.Y. PY 2019 IS 1 PB Federal State Funded Educational Establishment of Higher Education «Angarsk State Technical University»