%0 Journal Article %T MATHEMATICAL DESCRIPTION OF THE TWO-PHASE FLOW MOTION AT THE OUTLET OF THE VERTICAL ACCELERATION TUBE OF A JET MILL WITH A PLANE GRINDING CHAMBER OF TORUS FORM %A Dmitrienko, V.G. %A Voronov, V.P. %A Shemetov, E.G. %A Shemetova, O.M. %K jet mill, grinding chamber, acceleration tube, particle, two-phase flow %J Bulletin of Belgorod State Technological University named after. V. G. Shukhov %D 2021 %N 6 %P 4 %I Belgorod State Technological University named after V.G. Shukhov