TY CONF TI FLOW OF VISCOUS LIQUID FROM THE BOTTOM ADJUSTABLE HOLE OF A VERTICAL PIPELINE KW adjustable fluid flow KW viscosity KW resistance coefficient KW opening degree JO PHYSICAL BASIS OF SCIENCE-INTENSIVE TECHNOLOGIES AU Kumitskiy, B.M. AU Evsikova, N.Y. AU Savrasova, N.A. PY 2024 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov