TY JOUR TI SIMULATION OF THE COOLING PROCESS OF RAILWAYS UNDER NATURAL CONDITIONS KW joint-free track rail KW cooling rail KW insertion into the fixing temperature KW mathematical modeling KW finite difference method KW finite element method JO Bulletin of Belgorod State Technological University named after. V. G. Shukhov AU Neyman, V.A. AU Vorontsov, D.S. PY 2024 IS 9 PB Belgorod State Technological University named after V.G. Shukhov