%0 Journal Article %T Evaluation influence of the scale effect in the study hydrodynamic characteristics lines of flat units %A Perfilev, P.. %A Shadrina, Y.. %K flat unit, modeling, similarity criteria, scale effect. %J Actual directions of scientific researches of the XXI century: theory and practice %D 2015 %N 3 %P 4 %I FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov