%0 Journal Article %T INVESTIGATION OF BULK MATERIAL MOTION IN SPIRAL SIEVES %A Belokur, E.V. %A Sekisov, A.N. %A Serga, G.V. %K spiral sieve, model, plant, bilk material fractions %J Bulletin of Bryansk state technical university %D 2021 %N 2021 %P 8 %I Bryansk State Technical University