TY CONF TI MATHEMATICAL SIMULATION OF CARBON-CONTAINING MATERIAL HEATING PROCESS KW carbon materials KW surface combustion KW activation KW oxidizer KW heat flow JO INDUSTRIAL THERMAL POWER ENGINEERING AU Larionov, A.N. AU Mashin, V.N. AU Chyongin, V.Y. AU Mashina, A.V. PY 2026 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov