“…B. et al, 1995;Qi, J.S. et al, 1996;Parry, J. L., 1985). From this point of view the established process of drying of a grain layer can be represented as the process of potential migration in a two-dimensional orthogonal coordinate system: the height of the layer of material and goods movement on the dryer (Chemkhi S. et al, 2004;Chemkhi S. et al, 2002;Tarek J. J et al, 2010) …”