TY JOUR TI Heat the initial portion in a plane channel in the flow medium in the regime of ideal displacement with boundary conditions of first kind KW thermal conductivity KW flat channel KW boundary conditions. JO Actual directions of scientific researches of the XXI century: theory and practice AU Boger, A.. AU Makarovskiy, A.. PY 2015 IS 3 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov