TY JOUR TI MOVEMENT OF TWO-PHASE FLOW IN ACCELERATING TUBE OF THE JET MILL KW jet mill KW accelerating tube KW movement equation KW original pressure KW gas flow consumption KW particles velocity KW two-phase flow density JO Bulletin of Belgorod State Technological University named after. V. G. Shukhov AU Barakovskih, D.S. AU Shishkin, S.F. PY 2017 IS 2 PB Belgorod State Technological University named after V.G. Shukhov